diff options
113 files changed, 1574 insertions, 809 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pinctrl.txt b/Documentation/devicetree/bindings/i2c/i2c-mux-pinctrl.txt new file mode 100644 index 000000000000..ae8af1694e95 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pinctrl.txt @@ -0,0 +1,93 @@ +Pinctrl-based I2C Bus Mux + +This binding describes an I2C bus multiplexer that uses pin multiplexing to +route the I2C signals, and represents the pin multiplexing configuration +using the pinctrl device tree bindings. + + +-----+ +-----+ + | dev | | dev | + +------------------------+ +-----+ +-----+ + | SoC | | | + | /----|------+--------+ + | +---+ +------+ | child bus A, on first set of pins + | |I2C|---|Pinmux| | + | +---+ +------+ | child bus B, on second set of pins + | \----|------+--------+--------+ + | | | | | + +------------------------+ +-----+ +-----+ +-----+ + | dev | | dev | | dev | + +-----+ +-----+ +-----+ + +Required properties: +- compatible: i2c-mux-pinctrl +- i2c-parent: The phandle of the I2C bus that this multiplexer's master-side + port is connected to. + +Also required are: + +* Standard pinctrl properties that specify the pin mux state for each child + bus. See ../pinctrl/pinctrl-bindings.txt. + +* Standard I2C mux properties. See mux.txt in this directory. + +* I2C child bus nodes. See mux.txt in this directory. + +For each named state defined in the pinctrl-names property, an I2C child bus +will be created. I2C child bus numbers are assigned based on the index into +the pinctrl-names property. + +The only exception is that no bus will be created for a state named "idle". If +such a state is defined, it must be the last entry in pinctrl-names. For +example: + + pinctrl-names = "ddc", "pta", "idle" -> ddc = bus 0, pta = bus 1 + pinctrl-names = "ddc", "idle", "pta" -> Invalid ("idle" not last) + pinctrl-names = "idle", "ddc", "pta" -> Invalid ("idle" not last) + +Whenever an access is made to a device on a child bus, the relevant pinctrl +state will be programmed into hardware. + +If an idle state is defined, whenever an access is not being made to a device +on a child bus, the idle pinctrl state will be programmed into hardware. + +If an idle state is not defined, the most recently used pinctrl state will be +left programmed into hardware whenever no access is being made of a device on +a child bus. + +Example: + + i2cmux { + compatible = "i2c-mux-pinctrl"; + #address-cells = <1>; + #size-cells = <0>; + + i2c-parent = <&i2c1>; + + pinctrl-names = "ddc", "pta", "idle"; + pinctrl-0 = <&state_i2cmux_ddc>; + pinctrl-1 = <&state_i2cmux_pta>; + pinctrl-2 = <&state_i2cmux_idle>; + + i2c@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + eeprom { + compatible = "eeprom"; + reg = <0x50>; + }; + }; + + i2c@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + eeprom { + compatible = "eeprom"; + reg = <0x50>; + }; + }; + }; + diff --git a/MAINTAINERS b/MAINTAINERS index 6a52bb4a4fc7..14bc7071f9df 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1077,7 +1077,7 @@ F: drivers/media/video/s5p-fimc/ ARM/SAMSUNG S5P SERIES Multi Format Codec (MFC) SUPPORT M: Kyungmin Park <kyungmin.park@samsung.com> M: Kamil Debski <k.debski@samsung.com> -M: Jeongtae Park <jtp.park@samsung.com> +M: Jeongtae Park <jtp.park@samsung.com> L: linux-arm-kernel@lists.infradead.org L: linux-media@vger.kernel.org S: Maintained @@ -1743,10 +1743,10 @@ F: include/linux/can/platform/ CAPABILITIES M: Serge Hallyn <serge.hallyn@canonical.com> L: linux-security-module@vger.kernel.org -S: Supported +S: Supported F: include/linux/capability.h F: security/capability.c -F: security/commoncap.c +F: security/commoncap.c F: kernel/capability.c CELL BROADBAND ENGINE ARCHITECTURE @@ -2146,11 +2146,11 @@ S: Orphan F: drivers/net/wan/pc300* CYTTSP TOUCHSCREEN DRIVER -M: Javier Martinez Canillas <javier@dowhile0.org> -L: linux-input@vger.kernel.org -S: Maintained -F: drivers/input/touchscreen/cyttsp* -F: include/linux/input/cyttsp.h +M: Javier Martinez Canillas <javier@dowhile0.org> +L: linux-input@vger.kernel.org +S: Maintained +F: drivers/input/touchscreen/cyttsp* +F: include/linux/input/cyttsp.h DAMA SLAVE for AX.25 M: Joerg Reuter <jreuter@yaina.de> @@ -2270,7 +2270,7 @@ F: include/linux/device-mapper.h F: include/linux/dm-*.h DIOLAN U2C-12 I2C DRIVER -M: Guenter Roeck <guenter.roeck@ericsson.com> +M: Guenter Roeck <linux@roeck-us.net> L: linux-i2c@vger.kernel.org S: Maintained F: drivers/i2c/busses/i2c-diolan-u2c.c @@ -3145,7 +3145,7 @@ F: drivers/tty/hvc/ HARDWARE MONITORING M: Jean Delvare <khali@linux-fr.org> -M: Guenter Roeck <guenter.roeck@ericsson.com> +M: Guenter Roeck <linux@roeck-us.net> L: lm-sensors@lm-sensors.org W: http://www.lm-sensors.org/ T: quilt kernel.org/pub/linux/kernel/people/jdelvare/linux-2.6/jdelvare-hwmon/ @@ -4103,6 +4103,8 @@ F: drivers/scsi/53c700* LED SUBSYSTEM M: Bryan Wu <bryan.wu@canonical.com> M: Richard Purdie <rpurdie@rpsys.net> +L: linux-leds@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds.git S: Maintained F: drivers/leds/ F: include/linux/leds.h @@ -4418,6 +4420,13 @@ S: Orphan F: drivers/video/matrox/matroxfb_* F: include/linux/matroxfb.h +MAX16065 HARDWARE MONITOR DRIVER +M: Guenter Roeck <linux@roeck-us.net> +L: lm-sensors@lm-sensors.org +S: Maintained +F: Documentation/hwmon/max16065 +F: drivers/hwmon/max16065.c + MAX6650 HARDWARE MONITOR AND FAN CONTROLLER DRIVER M: "Hans J. Koch" <hjk@hansjkoch.de> L: lm-sensors@lm-sensors.org @@ -5156,7 +5165,7 @@ F: drivers/leds/leds-pca9532.c F: include/linux/leds-pca9532.h PCA9541 I2C BUS MASTER SELECTOR DRIVER -M: Guenter Roeck <guenter.roeck@ericsson.com> +M: Guenter Roeck <linux@roeck-us.net> L: linux-i2c@vger.kernel.org S: Maintained F: drivers/i2c/muxes/i2c-mux-pca9541.c @@ -5176,7 +5185,7 @@ S: Maintained F: drivers/firmware/pcdp.* PCI ERROR RECOVERY -M: Linas Vepstas <linasvepstas@gmail.com> +M: Linas Vepstas <linasvepstas@gmail.com> L: linux-pci@vger.kernel.org S: Supported F: Documentation/PCI/pci-error-recovery.txt @@ -5306,7 +5315,7 @@ F: drivers/video/fb-puv3.c F: drivers/rtc/rtc-puv3.c PMBUS HARDWARE MONITORING DRIVERS -M: Guenter Roeck <guenter.roeck@ericsson.com> +M: Guenter Roeck <linux@roeck-us.net> L: lm-sensors@lm-sensors.org W: http://www.lm-sensors.org/ W: http://www.roeck-us.net/linux/drivers/ @@ -7298,11 +7307,11 @@ F: Documentation/DocBook/uio-howto.tmpl F: drivers/uio/ F: include/linux/uio*.h -UTIL-LINUX-NG PACKAGE +UTIL-LINUX PACKAGE M: Karel Zak <kzak@redhat.com> -L: util-linux-ng@vger.kernel.org -W: http://kernel.org/~kzak/util-linux-ng/ -T: git git://git.kernel.org/pub/scm/utils/util-linux-ng/util-linux-ng.git +L: util-linux@vger.kernel.org +W: http://en.wikipedia.org/wiki/Util-linux +T: git git://git.kernel.org/pub/scm/utils/util-linux/util-linux.git S: Maintained UVESAFB DRIVER diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index b649c5904a4f..84449dd8f031 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -7,7 +7,6 @@ config ARM select HAVE_IDE if PCI || ISA || PCMCIA select HAVE_DMA_ATTRS select HAVE_DMA_CONTIGUOUS if (CPU_V6 || CPU_V6K || CPU_V7) - select CMA if (CPU_V6 || CPU_V6K || CPU_V7) select HAVE_MEMBLOCK select RTC_LIB select SYS_SUPPORTS_APM_EMULATION diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index ea6b43154090..106c4c0ebccd 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -268,10 +268,8 @@ static int __init consistent_init(void) unsigned long base = consistent_base; unsigned long num_ptes = (CONSISTENT_END - base) >> PMD_SHIFT; -#ifndef CONFIG_ARM_DMA_USE_IOMMU - if (cpu_architecture() >= CPU_ARCH_ARMv6) + if (IS_ENABLED(CONFIG_CMA) && !IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU)) return 0; -#endif consistent_pte = kmalloc(num_ptes * sizeof(pte_t), GFP_KERNEL); if (!consistent_pte) { @@ -342,7 +340,7 @@ static int __init coherent_init(void) struct page *page; void *ptr; - if (cpu_architecture() < CPU_ARCH_ARMv6) + if (!IS_ENABLED(CONFIG_CMA)) return 0; ptr = __alloc_from_contiguous(NULL, size, prot, &page); @@ -704,7 +702,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, if (arch_is_coherent() || nommu()) addr = __alloc_simple_buffer(dev, size, gfp, &page); - else if (cpu_architecture() < CPU_ARCH_ARMv6) + else if (!IS_ENABLED(CONFIG_CMA)) addr = __alloc_remap_buffer(dev, size, gfp, prot, &page, caller); else if (gfp & GFP_ATOMIC) addr = __alloc_from_pool(dev, size, &page, caller); @@ -773,7 +771,7 @@ void arm_dma_free(struct device *dev, size_t size, void *cpu_addr, if (arch_is_coherent() || nommu()) { __dma_free_buffer(page, size); - } else if (cpu_architecture() < CPU_ARCH_ARMv6) { + } else if (!IS_ENABLED(CONFIG_CMA)) { __dma_free_remap(cpu_addr, size); __dma_free_buffer(page, size); } else { diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index dbc3850b1d0d..5707f1a62341 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -21,6 +21,7 @@ KBUILD_DEFCONFIG := default_defconfig NM = sh $(srctree)/arch/parisc/nm CHECKFLAGS += -D__hppa__=1 +LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) MACHINE := $(shell uname -m) ifeq ($(MACHINE),parisc*) @@ -79,7 +80,7 @@ kernel-y := mm/ kernel/ math-emu/ kernel-$(CONFIG_HPUX) += hpux/ core-y += $(addprefix arch/parisc/, $(kernel-y)) -libs-y += arch/parisc/lib/ `$(CC) -print-libgcc-file-name` +libs-y += arch/parisc/lib/ $(LIBGCC) drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/ diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index 19a434f55059..4383707d9801 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -1,3 +1,4 @@ include include/asm-generic/Kbuild.asm header-y += pdc.h +generic-y += word-at-a-time.h diff --git a/arch/parisc/include/asm/bug.h b/arch/parisc/include/asm/bug.h index 72cfdb0cfdd1..62a33338549c 100644 --- a/arch/parisc/include/asm/bug.h +++ b/arch/parisc/include/asm/bug.h @@ -1,6 +1,8 @@ #ifndef _PARISC_BUG_H #define _PARISC_BUG_H +#include <linux/kernel.h> /* for BUGFLAG_TAINT */ + /* * Tell the user there is some problem. * The offending file and line are encoded in the __bug_table section. diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h index 7e1fef36bde6..e9c670d7a7fe 100644 --- a/arch/tile/include/asm/thread_info.h +++ b/arch/tile/include/asm/thread_info.h @@ -91,11 +91,6 @@ extern void smp_nap(void); /* Enable interrupts racelessly and nap forever: helper for cpu_idle(). */ extern void _cpu_idle(void); -/* Switch boot idle thread to a freshly-allocated stack and free old stack. */ -extern void cpu_idle_on_new_stack(struct thread_info *old_ti, - unsigned long new_sp, - unsigned long new_ss10); - #else /* __ASSEMBLY__ */ /* diff --git a/arch/tile/kernel/entry.S b/arch/tile/kernel/entry.S index 133c4b56a99e..c31637baff28 100644 --- a/arch/tile/kernel/entry.S +++ b/arch/tile/kernel/entry.S @@ -68,20 +68,6 @@ STD_ENTRY(KBacktraceIterator_init_current) jrp lr /* keep backtracer happy */ STD_ENDPROC(KBacktraceIterator_init_current) -/* - * Reset our stack to r1/r2 (sp and ksp0+cpu respectively), then - * free the old stack (passed in r0) and re-invoke cpu_idle(). - * We update sp and ksp0 simultaneously to avoid backtracer warnings. - */ -STD_ENTRY(cpu_idle_on_new_stack) - { - move sp, r1 - mtspr SPR_SYSTEM_SAVE_K_0, r2 - } - jal free_thread_info - j cpu_idle - STD_ENDPROC(cpu_idle_on_new_stack) - /* Loop forever on a nap during SMP boot. */ STD_ENTRY(smp_nap) nap diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index 6098ccc59be2..dd87f3420390 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -29,6 +29,7 @@ #include <linux/smp.h> #include <linux/timex.h> #include <linux/hugetlb.h> +#include <linux/start_kernel.h> #include <asm/setup.h> #include <asm/sections.h> #include <asm/cacheflush.h> diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 04cd6882308e..e1f3a17034fc 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -33,9 +33,8 @@ #define segment_eq(a, b) ((a).seg == (b).seg) #define user_addr_max() (current_thread_info()->addr_limit.seg) -#define __addr_ok(addr) \ - ((unsigned long __force)(addr) < \ - (current_thread_info()->addr_limit.seg)) +#define __addr_ok(addr) \ + ((unsigned long __force)(addr) < user_addr_max()) /* * Test whether a block of memory is a valid user space address. @@ -47,14 +46,14 @@ * This needs 33-bit (65-bit for x86_64) arithmetic. We have a carry... */ -#define __range_not_ok(addr, size) \ +#define __range_not_ok(addr, size, limit) \ ({ \ unsigned long flag, roksum; \ __chk_user_ptr(addr); \ asm("add %3,%1 ; sbb %0,%0 ; cmp %1,%4 ; sbb $0,%0" \ : "=&r" (flag), "=r" (roksum) \ : "1" (addr), "g" ((long)(size)), \ - "rm" (current_thread_info()->addr_limit.seg)); \ + "rm" (limit)); \ flag; \ }) @@ -77,7 +76,8 @@ * checks that the pointer is in the user space range - after calling * this function, memory access functions may still return -EFAULT. */ -#define access_ok(type, addr, size) (likely(__range_not_ok(addr, size) == 0)) +#define access_ok(type, addr, size) \ + (likely(__range_not_ok(addr, size, user_addr_max()) == 0)) /* * The exception table consists of pairs of addresses relative to the diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index e049d6da0183..c4706cf9c011 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1496,6 +1496,7 @@ static struct cpu_hw_events *allocate_fake_cpuc(void) if (!cpuc->shared_regs) goto error; } + cpuc->is_fake = 1; return cpuc; error: free_fake_cpuc(cpuc); @@ -1756,6 +1757,12 @@ perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs) dump_trace(NULL, regs, NULL, 0, &backtrace_ops, entry); } +static inline int +valid_user_frame(const void __user *fp, unsigned long size) +{ + return (__range_not_ok(fp, size, TASK_SIZE) == 0); +} + #ifdef CONFIG_COMPAT #include <asm/compat.h> @@ -1780,7 +1787,7 @@ perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry *entry) if (bytes != sizeof(frame)) break; - if (fp < compat_ptr(regs->sp)) + if (!valid_user_frame(fp, sizeof(frame))) break; perf_callchain_store(entry, frame.return_address); @@ -1826,7 +1833,7 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs) if (bytes != sizeof(frame)) break; - if ((unsigned long)fp < regs->sp) + if (!valid_user_frame(fp, sizeof(frame))) break; perf_callchain_store(entry, frame.return_address); diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index 6638aaf54493..7241e2fc3c17 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -117,6 +117,7 @@ struct cpu_hw_events { struct perf_event *event_list[X86_PMC_IDX_MAX]; /* in enabled order */ unsigned int group_flag; + int is_fake; /* * Intel DebugStore bits @@ -364,6 +365,7 @@ struct x86_pmu { int pebs_record_size; void (*drain_pebs)(struct pt_regs *regs); struct event_constraint *pebs_constraints; + void (*pebs_aliases)(struct perf_event *event); /* * Intel LBR diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 166546ec6aef..187c294bc658 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -1119,27 +1119,33 @@ intel_bts_constraints(struct perf_event *event) return NULL; } -static bool intel_try_alt_er(struct perf_event *event, int orig_idx) +static int intel_alt_er(int idx) { if (!(x86_pmu.er_flags & ERF_HAS_RSP_1)) - return false; + return idx; - if (event->hw.extra_reg.idx == EXTRA_REG_RSP_0) { - event->hw.config &= ~INTEL_ARCH_EVENT_MASK; - event->hw.config |= 0x01bb; - event->hw.extra_reg.idx = EXTRA_REG_RSP_1; - event->hw.extra_reg.reg = MSR_OFFCORE_RSP_1; - } else if (event->hw.extra_reg.idx == EXTRA_REG_RSP_1) { + if (idx == EXTRA_REG_RSP_0) + return EXTRA_REG_RSP_1; + + if (idx == EXTRA_REG_RSP_1) + return EXTRA_REG_RSP_0; + + return idx; +} + +static void intel_fixup_er(struct perf_event *event, int idx) +{ + event->hw.extra_reg.idx = idx; + + if (idx == EXTRA_REG_RSP_0) { event->hw.config &= ~INTEL_ARCH_EVENT_MASK; event->hw.config |= 0x01b7; - event->hw.extra_reg.idx = EXTRA_REG_RSP_0; event->hw.extra_reg.reg = MSR_OFFCORE_RSP_0; + } else if (idx == EXTRA_REG_RSP_1) { + event->hw.config &= ~INTEL_ARCH_EVENT_MASK; + event->hw.config |= 0x01bb; + event->hw.extra_reg.reg = MSR_OFFCORE_RSP_1; } - - if (event->hw.extra_reg.idx == orig_idx) - return false; - - return true; } /* @@ -1157,14 +1163,18 @@ __intel_shared_reg_get_constraints(struct cpu_hw_events *cpuc, struct event_constraint *c = &emptyconstraint; struct er_account *era; unsigned long flags; - int orig_idx = reg->idx; + int idx = reg->idx; - /* already allocated shared msr */ - if (reg->alloc) + /* + * reg->alloc can be set due to existing state, so for fake cpuc we + * need to ignore this, otherwise we might fail to allocate proper fake + * state for this extra reg constraint. Also see the comment below. + */ + if (reg->alloc && !cpuc->is_fake) return NULL; /* call x86_get_event_constraint() */ again: - era = &cpuc->shared_regs->regs[reg->idx]; + era = &cpuc->shared_regs->regs[idx]; /* * we use spin_lock_irqsave() to avoid lockdep issues when * passing a fake cpuc @@ -1173,6 +1183,29 @@ again: if (!atomic_read(&era->ref) || era->config == reg->config) { + /* + * If its a fake cpuc -- as per validate_{group,event}() we + * shouldn't touch event state and we can avoid doing so + * since both will only call get_event_constraints() once + * on each event, this avoids the need for reg->alloc. + * + * Not doing the ER fixup will only result in era->reg being + * wrong, but since we won't actually try and program hardware + * this isn't a problem either. + */ + if (!cpuc->is_fake) { + if (idx != reg->idx) + intel_fixup_er(event, idx); + + /* + * x86_schedule_events() can call get_event_constraints() + * multiple times on events in the case of incremental + * scheduling(). reg->alloc ensures we only do the ER + * allocation once. + */ + reg->alloc = 1; + } + /* lock in msr value */ era->config = reg->config; era->reg = reg->reg; @@ -1180,17 +1213,17 @@ again: /* one more user */ atomic_inc(&era->ref); - /* no need to reallocate during incremental event scheduling */ - reg->alloc = 1; - /* * need to call x86_get_event_constraint() * to check if associated event has constraints */ c = NULL; - } else if (intel_try_alt_er(event, orig_idx)) { - raw_spin_unlock_irqrestore(&era->lock, flags); - goto again; + } else { + idx = intel_alt_er(idx); + if (idx != reg->idx) { + raw_spin_unlock_irqrestore(&era->lock, flags); + goto again; + } } raw_spin_unlock_irqrestore(&era->lock, flags); @@ -1204,11 +1237,14 @@ __intel_shared_reg_put_constraints(struct cpu_hw_events *cpuc, struct er_account *era; /* - * only put constraint if extra reg was actually - * allocated. Also takes care of event which do - * not use an extra shared reg + * Only put constraint if extra reg was actually allocated. Also takes + * care of event which do not use an extra shared reg. + * + * Also, if this is a fake cpuc we shouldn't touch any event state + * (reg->alloc) and we don't care about leaving inconsistent cpuc state + * either since it'll be thrown out. */ - if (!reg->alloc) + if (!reg->alloc || cpuc->is_fake) return; era = &cpuc->shared_regs->regs[reg->idx]; @@ -1300,15 +1336,9 @@ static void intel_put_event_constraints(struct cpu_hw_events *cpuc, intel_put_shared_regs_event_constraints(cpuc, event); } -static int intel_pmu_hw_config(struct perf_event *event) +static void intel_pebs_aliases_core2(struct perf_event *event) { - int ret = x86_pmu_hw_config(event); - - if (ret) - return ret; - - if (event->attr.precise_ip && - (event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { + if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { /* * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P * (0x003c) so that we can use it with PEBS. @@ -1329,10 +1359,48 @@ static int intel_pmu_hw_config(struct perf_event *event) */ u64 alt_config = X86_CONFIG(.event=0xc0, .inv=1, .cmask=16); + alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK); + event->hw.config = alt_config; + } +} + +static void intel_pebs_aliases_snb(struct perf_event *event) +{ + if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) { + /* + * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P + * (0x003c) so that we can use it with PEBS. + * + * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't + * PEBS capable. However we can use UOPS_RETIRED.ALL + * (0x01c2), which is a PEBS capable event, to get the same + * count. + * + * UOPS_RETIRED.ALL counts the number of cycles that retires + * CNTMASK micro-ops. By setting CNTMASK to a value (16) + * larger than the maximum number of micro-ops that can be + * retired per cycle (4) and then inverting the condition, we + * count all cycles that retire 16 or less micro-ops, which + * is every cycle. + * + * Thereby we gain a PEBS capable cycle counter. + */ + u64 alt_config = X86_CONFIG(.event=0xc2, .umask=0x01, .inv=1, .cmask=16); alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK); event->hw.config = alt_config; } +} + +static int intel_pmu_hw_config(struct perf_event *event) +{ + int ret = x86_pmu_hw_config(event); + + if (ret) + return ret; + + if (event->attr.precise_ip && x86_pmu.pebs_aliases) + x86_pmu.pebs_aliases(event); if (intel_pmu_needs_lbr_smpl(event)) { ret = intel_pmu_setup_lbr_filter(event); @@ -1607,6 +1675,7 @@ static __initconst const struct x86_pmu intel_pmu = { .max_period = (1ULL << 31) - 1, .get_event_constraints = intel_get_event_constraints, .put_event_constraints = intel_put_event_constraints, + .pebs_aliases = intel_pebs_aliases_core2, .format_attrs = intel_arch3_formats_attr, @@ -1840,8 +1909,9 @@ __init int intel_pmu_init(void) break; case 42: /* SandyBridge */ - x86_add_quirk(intel_sandybridge_quirk); case 45: /* SandyBridge, "Romely-EP" */ + x86_add_quirk(intel_sandybridge_quirk); + case 58: /* IvyBridge */ memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, sizeof(hw_cache_event_ids)); @@ -1849,6 +1919,7 @@ __init int intel_pmu_init(void) x86_pmu.event_constraints = intel_snb_event_constraints; x86_pmu.pebs_constraints = intel_snb_pebs_event_constraints; + x86_pmu.pebs_aliases = intel_pebs_aliases_snb; x86_pmu.extra_regs = intel_snb_extra_regs; /* all extra regs are per-cpu when HT is on */ x86_pmu.er_flags |= ERF_HAS_RSP_1; diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c index 5a3edc27f6e5..35e2192df9f4 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_ds.c +++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c @@ -400,14 +400,7 @@ struct event_constraint intel_snb_pebs_event_constraints[] = { INTEL_EVENT_CONSTRAINT(0xc4, 0xf), /* BR_INST_RETIRED.* */ INTEL_EVENT_CONSTRAINT(0xc5, 0xf), /* BR_MISP_RETIRED.* */ INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.* */ - INTEL_UEVENT_CONSTRAINT(0x11d0, 0xf), /* MEM_UOP_RETIRED.STLB_MISS_LOADS */ - INTEL_UEVENT_CONSTRAINT(0x12d0, 0xf), /* MEM_UOP_RETIRED.STLB_MISS_STORES */ - INTEL_UEVENT_CONSTRAINT(0x21d0, 0xf), /* MEM_UOP_RETIRED.LOCK_LOADS */ - INTEL_UEVENT_CONSTRAINT(0x22d0, 0xf), /* MEM_UOP_RETIRED.LOCK_STORES */ - INTEL_UEVENT_CONSTRAINT(0x41d0, 0xf), /* MEM_UOP_RETIRED.SPLIT_LOADS */ - INTEL_UEVENT_CONSTRAINT(0x42d0, 0xf), /* MEM_UOP_RETIRED.SPLIT_STORES */ - INTEL_UEVENT_CONSTRAINT(0x81d0, 0xf), /* MEM_UOP_RETIRED.ANY_LOADS */ - INTEL_UEVENT_CONSTRAINT(0x82d0, 0xf), /* MEM_UOP_RETIRED.ANY_STORES */ + INTEL_EVENT_CONSTRAINT(0xd0, 0xf), /* MEM_UOP_RETIRED.* */ INTEL_EVENT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */ INTEL_EVENT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */ INTEL_UEVENT_CONSTRAINT(0x02d4, 0xf), /* MEM_LOAD_UOPS_MISC_RETIRED.LLC_MISS */ diff --git a/arch/x86/lib/usercopy.c b/arch/x86/lib/usercopy.c index f61ee67ec00f..677b1ed184c9 100644 --- a/arch/x86/lib/usercopy.c +++ b/arch/x86/lib/usercopy.c @@ -8,6 +8,7 @@ #include <linux/module.h> #include <asm/word-at-a-time.h> +#include <linux/sched.h> /* * best effort, GUP based copy_from_user() that is NMI-safe @@ -21,6 +22,9 @@ copy_from_user_nmi(void *to, const void __user *from, unsigned long n) void *map; int ret; + if (__range_not_ok(from, n, TASK_SIZE) == 0) + return len; + do { ret = __get_user_pages_fast(addr, 1, 0, &page); if (!ret) diff --git a/arch/x86/lib/x86-opcode-map.txt b/arch/x86/lib/x86-opcode-map.txt index 819137904428..5d7e51f3fd28 100644 --- a/arch/x86/lib/x86-opcode-map.txt +++ b/arch/x86/lib/x86-opcode-map.txt @@ -28,7 +28,7 @@ # - (66): the last prefix is 0x66 # - (F3): the last prefix is 0xF3 # - (F2): the last prefix is 0xF2 -# +# - (!F3) : the last prefix is not 0xF3 (including non-last prefix case) Table: one byte opcode Referrer: @@ -515,12 +515,12 @@ b4: LFS Gv,Mp b5: LGS Gv,Mp b6: MOVZX Gv,Eb b7: MOVZX Gv,Ew -b8: JMPE | POPCNT Gv,Ev (F3) +b8: JMPE (!F3) | POPCNT Gv,Ev (F3) b9: Grp10 (1A) ba: Grp8 Ev,Ib (1A) bb: BTC Ev,Gv -bc: BSF Gv,Ev | TZCNT Gv,Ev (F3) -bd: BSR Gv,Ev | LZCNT Gv,Ev (F3) +bc: BSF Gv,Ev (!F3) | TZCNT Gv,Ev (F3) +bd: BSR Gv,Ev (!F3) | LZCNT Gv,Ev (F3) be: MOVSX Gv,Eb bf: MOVSX Gv,Ew # 0x0f 0xc0-0xcf diff --git a/arch/x86/tools/gen-insn-attr-x86.awk b/arch/x86/tools/gen-insn-attr-x86.awk index 5f6a5b6c3a15..ddcf39b1a18d 100644 --- a/arch/x86/tools/gen-insn-attr-x86.awk +++ b/arch/x86/tools/gen-insn-attr-x86.awk @@ -66,9 +66,10 @@ BEGIN { rex_expr = "^REX(\\.[XRWB]+)*" fpu_expr = "^ESC" # TODO - lprefix1_expr = "\\(66\\)" + lprefix1_expr = "\\((66|!F3)\\)" lprefix2_expr = "\\(F3\\)" - lprefix3_expr = "\\(F2\\)" + lprefix3_expr = "\\((F2|!F3)\\)" + lprefix_expr = "\\((66|F2|F3)\\)" max_lprefix = 4 # All opcodes starting with lower-case 'v' or with (v1) superscript @@ -333,13 +334,16 @@ function convert_operands(count,opnd, i,j,imm,mod) if (match(ext, lprefix1_expr)) { lptable1[idx] = add_flags(lptable1[idx],flags) variant = "INAT_VARIANT" - } else if (match(ext, lprefix2_expr)) { + } + if (match(ext, lprefix2_expr)) { lptable2[idx] = add_flags(lptable2[idx],flags) variant = "INAT_VARIANT" - } else if (match(ext, lprefix3_expr)) { + } + if (match(ext, lprefix3_expr)) { lptable3[idx] = add_flags(lptable3[idx],flags) variant = "INAT_VARIANT" - } else { + } + if (!match(ext, lprefix_expr)){ table[idx] = add_flags(table[idx],flags) } } diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 47768ff87343..80998958cf45 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -208,7 +208,7 @@ config ACPI_IPMI config ACPI_HOTPLUG_CPU bool - depends on ACPI_PROCESSOR && HOTPLUG_CPU + depends on EXPERIMENTAL && ACPI_PROCESSOR && HOTPLUG_CPU select ACPI_CONTAINER default y diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 86933ca8b472..7dd3f9fb9f3f 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -643,11 +643,19 @@ static int acpi_battery_update(struct acpi_battery *battery) static void acpi_battery_refresh(struct acpi_battery *battery) { + int power_unit; + if (!battery->bat.dev) return; + power_unit = battery->power_unit; + acpi_battery_get_info(battery); - /* The battery may have changed its reporting units. */ + + if (power_unit == battery->power_unit) + return; + + /* The battery has changed its reporting units. */ sysfs_remove_battery(battery); sysfs_add_battery(battery); } diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 0af48a8554cd..a093dc163a42 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -333,6 +333,7 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr) struct acpi_buffer state = { 0, NULL }; union acpi_object *pss = NULL; int i; + int last_invalid = -1; status = acpi_evaluate_object(pr->handle, "_PSS", NULL, &buffer); @@ -394,14 +395,33 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr) ((u32)(px->core_frequency * 1000) != (px->core_frequency * 1000))) { printk(KERN_ERR FW_BUG PREFIX - "Invalid BIOS _PSS frequency: 0x%llx MHz\n", - px->core_frequency); - result = -EFAULT; - kfree(pr->performance->states); - goto end; + "Invalid BIOS _PSS frequency found for processor %d: 0x%llx MHz\n", + pr->id, px->core_frequency); + if (last_invalid == -1) + last_invalid = i; + } else { + if (last_invalid != -1) { + /* + * Copy this valid entry over last_invalid entry + */ + memcpy(&(pr->performance->states[last_invalid]), + px, sizeof(struct acpi_processor_px)); + ++last_invalid; + } } } + if (last_invalid == 0) { + printk(KERN_ERR FW_BUG PREFIX + "No valid BIOS _PSS frequency found for processor %d\n", pr->id); + result = -EFAULT; + kfree(pr->performance->states); + pr->performance->states = NULL; + } + + if (last_invalid > 0) + pr->performance->state_count = last_invalid; + end: kfree(buffer.pointer); diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 9577b6fa2650..a576575617d7 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1687,10 +1687,6 @@ static int acpi_video_bus_add(struct acpi_device *device) set_bit(KEY_BRIGHTNESS_ZERO, input->keybit); set_bit(KEY_DISPLAY_OFF, input->keybit); - error = input_register_device(input); - if (error) - goto err_stop_video; - printk(KERN_INFO PREFIX "%s [%s] (multi-head: %s rom: %s post: %s)\n", ACPI_VIDEO_DEVICE_NAME, acpi_device_bid(device), video->flags.multihead ? "yes" : "no", @@ -1701,12 +1697,16 @@ static int acpi_video_bus_add(struct acpi_device *device) video->pm_nb.priority = 0; error = register_pm_notifier(&video->pm_nb); if (error) - goto err_unregister_input_dev; + goto err_stop_video; + + error = input_register_device(input); + if (error) + goto err_unregister_pm_notifier; return 0; - err_unregister_input_dev: - input_unregister_device(input); + err_unregister_pm_notifier: + unregister_pm_notifier(&video->pm_nb); err_stop_video: acpi_video_bus_stop_devices(video); err_free_input_dev: @@ -1743,9 +1743,18 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type) return 0; } +static int __init is_i740(struct pci_dev *dev) +{ + if (dev->device == 0x00D1) + return 1; + if (dev->device == 0x7000) + return 1; + return 0; +} + static int __init intel_opregion_present(void) { -#if defined(CONFIG_DRM_I915) || defined(CONFIG_DRM_I915_MODULE) + int opregion = 0; struct pci_dev *dev = NULL; u32 address; @@ -1754,13 +1763,15 @@ static int __init intel_opregion_present(void) continue; if (dev->vendor != PCI_VENDOR_ID_INTEL) continue; + /* We don't want to poke around undefined i740 registers */ + if (is_i740(dev)) + continue; pci_read_config_dword(dev, 0xfc, &address); if (!address) continue; - return 1; + opregion = 1; } -#endif - return 0; + return opregion; } int acpi_video_register(void) diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 764f70c5e690..0a4185279417 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -898,6 +898,7 @@ static struct pci_device_id agp_intel_pci_table[] = { ID(PCI_DEVICE_ID_INTEL_B43_HB), ID(PCI_DEVICE_ID_INTEL_B43_1_HB), ID(PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB), + ID(PCI_DEVICE_ID_INTEL_IRONLAKE_D2_HB), ID(PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB), ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB), ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB), diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h index c0091753a0d1..8e2d9140f300 100644 --- a/drivers/char/agp/intel-agp.h +++ b/drivers/char/agp/intel-agp.h @@ -212,6 +212,7 @@ #define PCI_DEVICE_ID_INTEL_G41_HB 0x2E30 #define PCI_DEVICE_ID_INTEL_G41_IG 0x2E32 #define PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB 0x0040 +#define PCI_DEVICE_ID_INTEL_IRONLAKE_D2_HB 0x0069 #define PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG 0x0042 #define PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB 0x0044 #define PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB 0x0062 diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 420953197d0a..d6de2e07fa03 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -244,8 +244,8 @@ static const struct file_operations exynos_drm_driver_fops = { }; static struct drm_driver exynos_drm_driver = { - .driver_features = DRIVER_HAVE_IRQ | DRIVER_BUS_PLATFORM | - DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME, + .driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET | + DRIVER_GEM | DRIVER_PRIME, .load = exynos_drm_load, .unload = exynos_drm_unload, .open = exynos_drm_open, diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index 6e9ac7bd1dcf..23d5ad379f86 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -172,19 +172,12 @@ static void exynos_drm_encoder_commit(struct drm_encoder *encoder) manager_ops->commit(manager->dev); } -static struct drm_crtc * -exynos_drm_encoder_get_crtc(struct drm_encoder *encoder) -{ - return encoder->crtc; -} - static struct drm_encoder_helper_funcs exynos_encoder_helper_funcs = { .dpms = exynos_drm_encoder_dpms, .mode_fixup = exynos_drm_encoder_mode_fixup, .mode_set = exynos_drm_encoder_mode_set, .prepare = exynos_drm_encoder_prepare, .commit = exynos_drm_encoder_commit, - .get_crtc = exynos_drm_encoder_get_crtc, }; static void exynos_drm_encoder_destroy(struct drm_encoder *encoder) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index f82a299553fb..4ccfe4328fab 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -51,11 +51,22 @@ struct exynos_drm_fb { static void exynos_drm_fb_destroy(struct drm_framebuffer *fb) { struct exynos_drm_fb *exynos_fb = to_exynos_fb(fb); + unsigned int i; DRM_DEBUG_KMS("%s\n", __FILE__); drm_framebuffer_cleanup(fb); + for (i = 0; i < ARRAY_SIZE(exynos_fb->exynos_gem_obj); i++) { + struct drm_gem_object *obj; + + if (exynos_fb->exynos_gem_obj[i] == NULL) + continue; + + obj = &exynos_fb->exynos_gem_obj[i]->base; + drm_gem_object_unreference_unlocked(obj); + } + kfree(exynos_fb); exynos_fb = NULL; } @@ -134,11 +145,11 @@ exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, return ERR_PTR(-ENOENT); } - drm_gem_object_unreference_unlocked(obj); - fb = exynos_drm_framebuffer_init(dev, mode_cmd, obj); - if (IS_ERR(fb)) + if (IS_ERR(fb)) { + drm_gem_object_unreference_unlocked(obj); return fb; + } exynos_fb = to_exynos_fb(fb); nr = exynos_drm_format_num_buffers(fb->pixel_format); @@ -152,8 +163,6 @@ exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, return ERR_PTR(-ENOENT); } - drm_gem_object_unreference_unlocked(obj); - exynos_fb->exynos_gem_obj[i] = to_exynos_gem_obj(obj); } diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.h b/drivers/gpu/drm/exynos/exynos_drm_fb.h index 3ecb30d93552..50823756cdea 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.h +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.h @@ -31,10 +31,10 @@ static inline int exynos_drm_format_num_buffers(uint32_t format) { switch (format) { - case DRM_FORMAT_NV12M: + case DRM_FORMAT_NV12: case DRM_FORMAT_NV12MT: return 2; - case DRM_FORMAT_YUV420M: + case DRM_FORMAT_YUV420: return 3; default: return 1; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index fc91293c4560..5c8b683029ea 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -689,7 +689,6 @@ int exynos_drm_gem_dumb_map_offset(struct drm_file *file_priv, struct drm_device *dev, uint32_t handle, uint64_t *offset) { - struct exynos_drm_gem_obj *exynos_gem_obj; struct drm_gem_object *obj; int ret = 0; @@ -710,15 +709,13 @@ int exynos_drm_gem_dumb_map_offset(struct drm_file *file_priv, goto unlock; } - exynos_gem_obj = to_exynos_gem_obj(obj); - - if (!exynos_gem_obj->base.map_list.map) { - ret = drm_gem_create_mmap_offset(&exynos_gem_obj->base); + if (!obj->map_list.map) { + ret = drm_gem_create_mmap_offset(obj); if (ret) goto out; } - *offset = (u64)exynos_gem_obj->base.map_list.hash.key << PAGE_SHIFT; + *offset = (u64)obj->map_list.hash.key << PAGE_SHIFT; DRM_DEBUG_KMS("offset = 0x%lx\n", (unsigned long)*offset); out: diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 68ef01028375..e2147a2ddcec 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -365,7 +365,7 @@ static void vp_video_buffer(struct mixer_context *ctx, int win) switch (win_data->pixel_format) { case DRM_FORMAT_NV12MT: tiled_mode = true; - case DRM_FORMAT_NV12M: + case DRM_FORMAT_NV12: crcb_mode = false; buf_num = 2; break; @@ -601,18 +601,20 @@ static void mixer_win_reset(struct mixer_context *ctx) mixer_reg_write(res, MXR_BG_COLOR2, 0x008080); /* setting graphical layers */ - val = MXR_GRP_CFG_COLOR_KEY_DISABLE; /* no blank key */ val |= MXR_GRP_CFG_WIN_BLEND_EN; + val |= MXR_GRP_CFG_BLEND_PRE_MUL; + val |= MXR_GRP_CFG_PIXEL_BLEND_EN; val |= MXR_GRP_CFG_ALPHA_VAL(0xff); /* non-transparent alpha */ /* the same configuration for both layers */ mixer_reg_write(res, MXR_GRAPHIC_CFG(0), val); - - val |= MXR_GRP_CFG_BLEND_PRE_MUL; - val |= MXR_GRP_CFG_PIXEL_BLEND_EN; mixer_reg_write(res, MXR_GRAPHIC_CFG(1), val); + /* setting video layers */ + val = MXR_GRP_CFG_ALPHA_VAL(0); + mixer_reg_write(res, MXR_VIDEO_CFG, val); + /* configuration of Video Processor Registers */ vp_win_reset(ctx); vp_default_filter(res); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 238a52165833..9fe9ebe52a7a 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -233,6 +233,7 @@ static const struct intel_device_info intel_sandybridge_d_info = { .has_blt_ring = 1, .has_llc = 1, .has_pch_split = 1, + .has_force_wake = 1, }; static const struct intel_device_info intel_sandybridge_m_info = { @@ -243,6 +244,7 @@ static const struct intel_device_info intel_sandybridge_m_info = { .has_blt_ring = 1, .has_llc = 1, .has_pch_split = 1, + .has_force_wake = 1, }; static const struct intel_device_info intel_ivybridge_d_info = { @@ -252,6 +254,7 @@ static const struct intel_device_info intel_ivybridge_d_info = { .has_blt_ring = 1, .has_llc = 1, .has_pch_split = 1, + .has_force_wake = 1, }; static const struct intel_device_info intel_ivybridge_m_info = { @@ -262,6 +265,7 @@ static const struct intel_device_info intel_ivybridge_m_info = { .has_blt_ring = 1, .has_llc = 1, .has_pch_split = 1, + .has_force_wake = 1, }; static const struct intel_device_info intel_valleyview_m_info = { @@ -289,6 +293,7 @@ static const struct intel_device_info intel_haswell_d_info = { .has_blt_ring = 1, .has_llc = 1, .has_pch_split = 1, + .has_force_wake = 1, }; static const struct intel_device_info intel_haswell_m_info = { @@ -298,6 +303,7 @@ static const struct intel_device_info intel_haswell_m_info = { .has_blt_ring = 1, .has_llc = 1, .has_pch_split = 1, + .has_force_wake = 1, }; static const struct pci_device_id pciidlist[] = { /* aka */ @@ -1139,10 +1145,9 @@ MODULE_LICENSE("GPL and additional rights"); /* We give fast paths for the really cool registers */ #define NEEDS_FORCE_WAKE(dev_priv, reg) \ - (((dev_priv)->info->gen >= 6) && \ - ((reg) < 0x40000) && \ - ((reg) != FORCEWAKE)) && \ - (!IS_VALLEYVIEW((dev_priv)->dev)) + ((HAS_FORCE_WAKE((dev_priv)->dev)) && \ + ((reg) < 0x40000) && \ + ((reg) != FORCEWAKE)) #define __i915_read(x, y) \ u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \ diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index c9cfc67c2cf5..b0b676abde0d 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -285,6 +285,7 @@ struct intel_device_info { u8 is_ivybridge:1; u8 is_valleyview:1; u8 has_pch_split:1; + u8 has_force_wake:1; u8 is_haswell:1; u8 has_fbc:1; u8 has_pipe_cxsr:1; @@ -1101,6 +1102,8 @@ struct drm_i915_file_private { #define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT) #define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX) +#define HAS_FORCE_WAKE(dev) (INTEL_INFO(dev)->has_force_wake) + #include "i915_trace.h" /** diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 1417660a93ec..b1fe0edda955 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -510,7 +510,7 @@ out: return ret; } -static void pch_irq_handler(struct drm_device *dev, u32 pch_iir) +static void ibx_irq_handler(struct drm_device *dev, u32 pch_iir) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; int pipe; @@ -550,6 +550,35 @@ static void pch_irq_handler(struct drm_device *dev, u32 pch_iir) DRM_DEBUG_DRIVER("PCH transcoder A underrun interrupt\n"); } +static void cpt_irq_handler(struct drm_device *dev, u32 pch_iir) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + int pipe; + + if (pch_iir & SDE_AUDIO_POWER_MASK_CPT) + DRM_DEBUG_DRIVER("PCH audio power change on port %d\n", + (pch_iir & SDE_AUDIO_POWER_MASK_CPT) >> + SDE_AUDIO_POWER_SHIFT_CPT); + + if (pch_iir & SDE_AUX_MASK_CPT) + DRM_DEBUG_DRIVER("AUX channel interrupt\n"); + + if (pch_iir & SDE_GMBUS_CPT) + DRM_DEBUG_DRIVER("PCH GMBUS interrupt\n"); + + if (pch_iir & SDE_AUDIO_CP_REQ_CPT) + DRM_DEBUG_DRIVER("Audio CP request interrupt\n"); + + if (pch_iir & SDE_AUDIO_CP_CHG_CPT) + DRM_DEBUG_DRIVER("Audio CP change interrupt\n"); + + if (pch_iir & SDE_FDI_MASK_CPT) + for_each_pipe(pipe) + DRM_DEBUG_DRIVER(" pipe %c FDI IIR: 0x%08x\n", + pipe_name(pipe), + I915_READ(FDI_RX_IIR(pipe))); +} + static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS) { struct drm_device *dev = (struct drm_device *) arg; @@ -591,7 +620,7 @@ static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS) if (pch_iir & SDE_HOTPLUG_MASK_CPT) queue_work(dev_priv->wq, &dev_priv->hotplug_work); - pch_irq_handler(dev, pch_iir); + cpt_irq_handler(dev, pch_iir); /* clear PCH hotplug event before clear CPU irq */ I915_WRITE(SDEIIR, pch_iir); @@ -684,7 +713,10 @@ static irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS) if (de_iir & DE_PCH_EVENT) { if (pch_iir & hotplug_mask) queue_work(dev_priv->wq, &dev_priv->hotplug_work); - pch_irq_handler(dev, pch_iir); + if (HAS_PCH_CPT(dev)) + cpt_irq_handler(dev, pch_iir); + else + ibx_irq_handler(dev, pch_iir); } if (de_iir & DE_PCU_EVENT) { diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 2d49b9507ed0..48d5e8e051cf 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -210,6 +210,14 @@ #define MI_DISPLAY_FLIP MI_INSTR(0x14, 2) #define MI_DISPLAY_FLIP_I915 MI_INSTR(0x14, 1) #define MI_DISPLAY_FLIP_PLANE(n) ((n) << 20) +/* IVB has funny definitions for which plane to flip. */ +#define MI_DISPLAY_FLIP_IVB_PLANE_A (0 << 19) +#define MI_DISPLAY_FLIP_IVB_PLANE_B (1 << 19) +#define MI_DISPLAY_FLIP_IVB_SPRITE_A (2 << 19) +#define MI_DISPLAY_FLIP_IVB_SPRITE_B (3 << 19) +#define MI_DISPLAY_FLIP_IVB_PLANE_C (4 << 19) +#define MI_DISPLAY_FLIP_IVB_SPRITE_C (5 << 19) + #define MI_SET_CONTEXT MI_INSTR(0x18, 0) #define MI_MM_SPACE_GTT (1<<8) #define MI_MM_SPACE_PHYSICAL (0<<8) @@ -3313,7 +3321,7 @@ /* PCH */ -/* south display engine interrupt */ +/* south display engine interrupt: IBX */ #define SDE_AUDIO_POWER_D (1 << 27) #define SDE_AUDIO_POWER_C (1 << 26) #define SDE_AUDIO_POWER_B (1 << 25) @@ -3349,15 +3357,44 @@ #define SDE_TRANSA_CRC_ERR (1 << 1) #define SDE_TRANSA_FIFO_UNDER (1 << 0) #define SDE_TRANS_MASK (0x3f) -/* CPT */ -#define SDE_CRT_HOTPLUG_CPT (1 << 19) + +/* south display engine interrupt: CPT/PPT */ +#define SDE_AUDIO_POWER_D_CPT (1 << 31) +#define SDE_AUDIO_POWER_C_CPT (1 << 30) +#define SDE_AUDIO_POWER_B_CPT (1 << 29) +#define SDE_AUDIO_POWER_SHIFT_CPT 29 +#define SDE_AUDIO_POWER_MASK_CPT (7 << 29) +#define SDE_AUXD_CPT (1 << 27) +#define SDE_AUXC_CPT (1 << 26) +#define SDE_AUXB_CPT (1 << 25) +#define SDE_AUX_MASK_CPT (7 << 25) #define SDE_PORTD_HOTPLUG_CPT (1 << 23) #define SDE_PORTC_HOTPLUG_CPT (1 << 22) #define SDE_PORTB_HOTPLUG_CPT (1 << 21) +#define SDE_CRT_HOTPLUG_CPT (1 << 19) #define SDE_HOTPLUG_MASK_CPT (SDE_CRT_HOTPLUG_CPT | \ SDE_PORTD_HOTPLUG_CPT | \ SDE_PORTC_HOTPLUG_CPT | \ SDE_PORTB_HOTPLUG_CPT) +#define SDE_GMBUS_CPT (1 << 17) +#define SDE_AUDIO_CP_REQ_C_CPT (1 << 10) +#define SDE_AUDIO_CP_CHG_C_CPT (1 << 9) +#define SDE_FDI_RXC_CPT (1 << 8) +#define SDE_AUDIO_CP_REQ_B_CPT (1 << 6) +#define SDE_AUDIO_CP_CHG_B_CPT (1 << 5) +#define SDE_FDI_RXB_CPT (1 << 4) +#define SDE_AUDIO_CP_REQ_A_CPT (1 << 2) +#define SDE_AUDIO_CP_CHG_A_CPT (1 << 1) +#define SDE_FDI_RXA_CPT (1 << 0) +#define SDE_AUDIO_CP_REQ_CPT (SDE_AUDIO_CP_REQ_C_CPT | \ + SDE_AUDIO_CP_REQ_B_CPT | \ + SDE_AUDIO_CP_REQ_A_CPT) +#define SDE_AUDIO_CP_CHG_CPT (SDE_AUDIO_CP_CHG_C_CPT | \ + SDE_AUDIO_CP_CHG_B_CPT | \ + SDE_AUDIO_CP_CHG_A_CPT) +#define SDE_FDI_MASK_CPT (SDE_FDI_RXC_CPT | \ + SDE_FDI_RXB_CPT | \ + SDE_FDI_RXA_CPT) #define SDEISR 0xc4000 #define SDEIMR 0xc4004 diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 75a70c46ef1b..844e93e1e395 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -453,13 +453,15 @@ intel_crt_detect(struct drm_connector *connector, bool force) struct intel_load_detect_pipe tmp; if (I915_HAS_HOTPLUG(dev)) { + /* We can not rely on the HPD pin always being correctly wired + * up, for example many KVM do not pass it through, and so + * only trust an assertion that the monitor is connected. + */ if (intel_crt_detect_hotplug(connector)) { DRM_DEBUG_KMS("CRT detected via hotplug\n"); return connector_status_connected; - } else { + } else DRM_DEBUG_KMS("CRT not detected via hotplug\n"); - return connector_status_disconnected; - } } if (intel_crt_detect_ddc(connector)) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 914789420906..e0aa064def31 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6158,17 +6158,34 @@ static int intel_gen7_queue_flip(struct drm_device *dev, struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct intel_ring_buffer *ring = &dev_priv->ring[BCS]; + uint32_t plane_bit = 0; int ret; ret = intel_pin_and_fence_fb_obj(dev, obj, ring); if (ret) goto err; + switch(intel_crtc->plane) { + case PLANE_A: + plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; + break; + case PLANE_B: + plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; + break; + case PLANE_C: + plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; + break; + default: + WARN_ONCE(1, "unknown plane in flip command\n"); + ret = -ENODEV; + goto err; + } + ret = intel_ring_begin(ring, 4); if (ret) goto err_unpin; - intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | (intel_crtc->plane << 19)); + intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); intel_ring_emit(ring, (obj->gtt_offset)); intel_ring_emit(ring, (MI_NOOP)); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index b59b6d5b7583..e5b84ff89ca5 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -266,10 +266,15 @@ u32 intel_ring_get_active_head(struct intel_ring_buffer *ring) static int init_ring_common(struct intel_ring_buffer *ring) { - drm_i915_private_t *dev_priv = ring->dev->dev_private; + struct drm_device *dev = ring->dev; + drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj = ring->obj; + int ret = 0; u32 head; + if (HAS_FORCE_WAKE(dev)) + gen6_gt_force_wake_get(dev_priv); + /* Stop the ring if it's running. */ I915_WRITE_CTL(ring, 0); I915_WRITE_HEAD(ring, 0); @@ -317,7 +322,8 @@ static int init_ring_common(struct intel_ring_buffer *ring) I915_READ_HEAD(ring), I915_READ_TAIL(ring), I915_READ_START(ring)); - return -EIO; + ret = -EIO; + goto out; } if (!drm_core_check_feature(ring->dev, DRIVER_MODESET)) @@ -326,9 +332,14 @@ static int init_ring_common(struct intel_ring_buffer *ring) ring->head = I915_READ_HEAD(ring); ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR; ring->space = ring_space(ring); + ring->last_retired_head = -1; } - return 0; +out: + if (HAS_FORCE_WAKE(dev)) + gen6_gt_force_wake_put(dev_priv); + + return ret; } static int @@ -987,6 +998,10 @@ static int intel_init_ring_buffer(struct drm_device *dev, if (ret) goto err_unref; + ret = i915_gem_object_set_to_gtt_domain(obj, true); + if (ret) + goto err_unpin; + ring->virtual_start = ioremap_wc(dev->agp->base + obj->gtt_offset, ring->size); if (ring->virtual_start == NULL) { diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 3df4efa11942..3186522a4458 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -460,15 +460,28 @@ static void cayman_gpu_init(struct radeon_device *rdev) rdev->config.cayman.max_pipes_per_simd = 4; rdev->config.cayman.max_tile_pipes = 2; if ((rdev->pdev->device == 0x9900) || - (rdev->pdev->device == 0x9901)) { + (rdev->pdev->device == 0x9901) || + (rdev->pdev->device == 0x9905) || + (rdev->pdev->device == 0x9906) || + (rdev->pdev->device == 0x9907) || + (rdev->pdev->device == 0x9908) || + (rdev->pdev->device == 0x9909) || + (rdev->pdev->device == 0x9910) || + (rdev->pdev->device == 0x9917)) { rdev->config.cayman.max_simds_per_se = 6; rdev->config.cayman.max_backends_per_se = 2; } else if ((rdev->pdev->device == 0x9903) || - (rdev->pdev->device == 0x9904)) { + (rdev->pdev->device == 0x9904) || + (rdev->pdev->device == 0x990A) || + (rdev->pdev->device == 0x9913) || + (rdev->pdev->device == 0x9918)) { rdev->config.cayman.max_simds_per_se = 4; rdev->config.cayman.max_backends_per_se = 2; - } else if ((rdev->pdev->device == 0x9990) || - (rdev->pdev->device == 0x9991)) { + } else if ((rdev->pdev->device == 0x9919) || + (rdev->pdev->device == 0x9990) || + (rdev->pdev->device == 0x9991) || + (rdev->pdev->device == 0x9994) || + (rdev->pdev->device == 0x99A0)) { rdev->config.cayman.max_simds_per_se = 3; rdev->config.cayman.max_backends_per_se = 1; } else { diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 45cfcea63507..f30dc95f83b1 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2426,6 +2426,12 @@ int r600_startup(struct radeon_device *rdev) if (r) return r; + r = r600_audio_init(rdev); + if (r) { + DRM_ERROR("radeon: audio init failed\n"); + return r; + } + return 0; } @@ -2462,12 +2468,6 @@ int r600_resume(struct radeon_device *rdev) return r; } - r = r600_audio_init(rdev); - if (r) { - DRM_ERROR("radeon: audio resume failed\n"); - return r; - } - return r; } @@ -2577,9 +2577,6 @@ int r600_init(struct radeon_device *rdev) rdev->accel_working = false; } - r = r600_audio_init(rdev); - if (r) - return r; /* TODO error handling */ return 0; } diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c index 7c4fa77f018f..7479a5c503e4 100644 --- a/drivers/gpu/drm/radeon/r600_audio.c +++ b/drivers/gpu/drm/radeon/r600_audio.c @@ -192,6 +192,7 @@ void r600_audio_set_clock(struct drm_encoder *encoder, int clock) struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); int base_rate = 48000; switch (radeon_encoder->encoder_id) { @@ -217,8 +218,8 @@ void r600_audio_set_clock(struct drm_encoder *encoder, int clock) WREG32(EVERGREEN_AUDIO_PLL1_DIV, clock * 10); WREG32(EVERGREEN_AUDIO_PLL1_UNK, 0x00000071); - /* Some magic trigger or src sel? */ - WREG32_P(0x5ac, 0x01, ~0x77); + /* Select DTO source */ + WREG32(0x5ac, radeon_crtc->crtc_id); } else { switch (dig->dig_encoder) { case 0: diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index 226379e00ac1..969c27529dfe 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -348,7 +348,6 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset, HDMI0_AUDIO_SAMPLE_SEND | /* send audio packets */ HDMI0_AUDIO_DELAY_EN(1) | /* default audio delay */ - HDMI0_AUDIO_SEND_MAX_PACKETS | /* send NULL packets if no audio is available */ HDMI0_AUDIO_PACKETS_PER_LINE(3) | /* should be suffient for all audio modes and small enough for all hblanks */ HDMI0_60958_CS_UPDATE); /* allow 60958 channel status fields to be updated */ } diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 85dac33e3cce..fefcca55c1eb 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1374,9 +1374,9 @@ struct cayman_asic { struct si_asic { unsigned max_shader_engines; - unsigned max_pipes_per_simd; unsigned max_tile_pipes; - unsigned max_simds_per_se; + unsigned max_cu_per_sh; + unsigned max_sh_per_se; unsigned max_backends_per_se; unsigned max_texture_channel_caches; unsigned max_gprs; @@ -1387,7 +1387,6 @@ struct si_asic { unsigned sc_hiz_tile_fifo_size; unsigned sc_earlyz_tile_fifo_size; - unsigned num_shader_engines; unsigned num_tile_pipes; unsigned num_backends_per_se; unsigned backend_disable_mask_per_asic; diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index 79db56e6c2ac..59d44937dd9f 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -476,12 +476,18 @@ int radeon_vm_bo_add(struct radeon_device *rdev, mutex_lock(&vm->mutex); if (last_pfn > vm->last_pfn) { - /* grow va space 32M by 32M */ - unsigned align = ((32 << 20) >> 12) - 1; + /* release mutex and lock in right order */ + mutex_unlock(&vm->mutex); radeon_mutex_lock(&rdev->cs_mutex); - radeon_vm_unbind_locked(rdev, vm); + mutex_lock(&vm->mutex); + /* and check again */ + if (last_pfn > vm->last_pfn) { + /* grow va space 32M by 32M */ + unsigned align = ((32 << 20) >> 12) - 1; + radeon_vm_unbind_locked(rdev, vm); + vm->last_pfn = (last_pfn + align) & ~align; + } radeon_mutex_unlock(&rdev->cs_mutex); - vm->last_pfn = (last_pfn + align) & ~align; } head = &vm->va; last_offset = 0; @@ -595,8 +601,8 @@ int radeon_vm_bo_rmv(struct radeon_device *rdev, if (bo_va == NULL) return 0; - mutex_lock(&vm->mutex); radeon_mutex_lock(&rdev->cs_mutex); + mutex_lock(&vm->mutex); radeon_vm_bo_update_pte(rdev, vm, bo, NULL); radeon_mutex_unlock(&rdev->cs_mutex); list_del(&bo_va->vm_list); @@ -641,9 +647,8 @@ void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm) struct radeon_bo_va *bo_va, *tmp; int r; - mutex_lock(&vm->mutex); - radeon_mutex_lock(&rdev->cs_mutex); + mutex_lock(&vm->mutex); radeon_vm_unbind_locked(rdev, vm); radeon_mutex_unlock(&rdev->cs_mutex); diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index f1016a5820d1..5c58d7d90cb2 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -273,7 +273,7 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) break; case RADEON_INFO_MAX_PIPES: if (rdev->family >= CHIP_TAHITI) - value = rdev->config.si.max_pipes_per_simd; + value = rdev->config.si.max_cu_per_sh; else if (rdev->family >= CHIP_CAYMAN) value = rdev->config.cayman.max_pipes_per_simd; else if (rdev->family >= CHIP_CEDAR) diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 25f9eef12c42..e95c5e61d4e2 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -908,12 +908,6 @@ static int rs600_startup(struct radeon_device *rdev) return r; } - r = r600_audio_init(rdev); - if (r) { - dev_err(rdev->dev, "failed initializing audio\n"); - return r; - } - r = radeon_ib_pool_start(rdev); if (r) return r; @@ -922,6 +916,12 @@ static int rs600_startup(struct radeon_device *rdev) if (r) return r; + r = r600_audio_init(rdev); + if (r) { + dev_err(rdev->dev, "failed initializing audio\n"); + return r; + } + return 0; } diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index 3277ddecfe9f..159b6a43fda0 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -637,12 +637,6 @@ static int rs690_startup(struct radeon_device *rdev) return r; } - r = r600_audio_init(rdev); - if (r) { - dev_err(rdev->dev, "failed initializing audio\n"); - return r; - } - r = radeon_ib_pool_start(rdev); if (r) return r; @@ -651,6 +645,12 @@ static int rs690_startup(struct radeon_device *rdev) if (r) return r; + r = r600_audio_init(rdev); + if (r) { + dev_err(rdev->dev, "failed initializing audio\n"); + return r; + } + return 0; } diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 04ddc365a908..4ad0281fdc37 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -956,6 +956,12 @@ static int rv770_startup(struct radeon_device *rdev) if (r) return r; + r = r600_audio_init(rdev); + if (r) { + DRM_ERROR("radeon: audio init failed\n"); + return r; + } + return 0; } @@ -978,12 +984,6 @@ int rv770_resume(struct radeon_device *rdev) return r; } - r = r600_audio_init(rdev); - if (r) { - dev_err(rdev->dev, "radeon: audio init failed\n"); - return r; - } - return r; } @@ -1092,12 +1092,6 @@ int rv770_init(struct radeon_device *rdev) rdev->accel_working = false; } - r = r600_audio_init(rdev); - if (r) { - dev_err(rdev->dev, "radeon: audio init failed\n"); - return r; - } - return 0; } diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 549732e56ca9..c7b61f16ecfd 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -867,200 +867,6 @@ void dce6_bandwidth_update(struct radeon_device *rdev) /* * Core functions */ -static u32 si_get_tile_pipe_to_backend_map(struct radeon_device *rdev, - u32 num_tile_pipes, - u32 num_backends_per_asic, - u32 *backend_disable_mask_per_asic, - u32 num_shader_engines) -{ - u32 backend_map = 0; - u32 enabled_backends_mask = 0; - u32 enabled_backends_count = 0; - u32 num_backends_per_se; - u32 cur_pipe; - u32 swizzle_pipe[SI_MAX_PIPES]; - u32 cur_backend = 0; - u32 i; - bool force_no_swizzle; - - /* force legal values */ - if (num_tile_pipes < 1) - num_tile_pipes = 1; - if (num_tile_pipes > rdev->config.si.max_tile_pipes) - num_tile_pipes = rdev->config.si.max_tile_pipes; - if (num_shader_engines < 1) - num_shader_engines = 1; - if (num_shader_engines > rdev->config.si.max_shader_engines) - num_shader_engines = rdev->config.si.max_shader_engines; - if (num_backends_per_asic < num_shader_engines) - num_backends_per_asic = num_shader_engines; - if (num_backends_per_asic > (rdev->config.si.max_backends_per_se * num_shader_engines)) - num_backends_per_asic = rdev->config.si.max_backends_per_se * num_shader_engines; - - /* make sure we have the same number of backends per se */ - num_backends_per_asic = ALIGN(num_backends_per_asic, num_shader_engines); - /* set up the number of backends per se */ - num_backends_per_se = num_backends_per_asic / num_shader_engines; - if (num_backends_per_se > rdev->config.si.max_backends_per_se) { - num_backends_per_se = rdev->config.si.max_backends_per_se; - num_backends_per_asic = num_backends_per_se * num_shader_engines; - } - - /* create enable mask and count for enabled backends */ - for (i = 0; i < SI_MAX_BACKENDS; ++i) { - if (((*backend_disable_mask_per_asic >> i) & 1) == 0) { - enabled_backends_mask |= (1 << i); - ++enabled_backends_count; - } - if (enabled_backends_count == num_backends_per_asic) - break; - } - - /* force the backends mask to match the current number of backends */ - if (enabled_backends_count != num_backends_per_asic) { - u32 this_backend_enabled; - u32 shader_engine; - u32 backend_per_se; - - enabled_backends_mask = 0; - enabled_backends_count = 0; - *backend_disable_mask_per_asic = SI_MAX_BACKENDS_MASK; - for (i = 0; i < SI_MAX_BACKENDS; ++i) { - /* calc the current se */ - shader_engine = i / rdev->config.si.max_backends_per_se; - /* calc the backend per se */ - backend_per_se = i % rdev->config.si.max_backends_per_se; - /* default to not enabled */ - this_backend_enabled = 0; - if ((shader_engine < num_shader_engines) && - (backend_per_se < num_backends_per_se)) - this_backend_enabled = 1; - if (this_backend_enabled) { - enabled_backends_mask |= (1 << i); - *backend_disable_mask_per_asic &= ~(1 << i); - ++enabled_backends_count; - } - } - } - - - memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * SI_MAX_PIPES); - switch (rdev->family) { - case CHIP_TAHITI: - case CHIP_PITCAIRN: - case CHIP_VERDE: - force_no_swizzle = true; - break; - default: - force_no_swizzle = false; - break; - } - if (force_no_swizzle) { - bool last_backend_enabled = false; - - force_no_swizzle = false; - for (i = 0; i < SI_MAX_BACKENDS; ++i) { - if (((enabled_backends_mask >> i) & 1) == 1) { - if (last_backend_enabled) - force_no_swizzle = true; - last_backend_enabled = true; - } else - last_backend_enabled = false; - } - } - - switch (num_tile_pipes) { - case 1: - case 3: - case 5: - case 7: - DRM_ERROR("odd number of pipes!\n"); - break; - case 2: - swizzle_pipe[0] = 0; - swizzle_pipe[1] = 1; - break; - case 4: - if (force_no_swizzle) { - swizzle_pipe[0] = 0; - swizzle_pipe[1] = 1; - swizzle_pipe[2] = 2; - swizzle_pipe[3] = 3; - } else { - swizzle_pipe[0] = 0; - swizzle_pipe[1] = 2; - swizzle_pipe[2] = 1; - swizzle_pipe[3] = 3; - } - break; - case 6: - if (force_no_swizzle) { - swizzle_pipe[0] = 0; - swizzle_pipe[1] = 1; - swizzle_pipe[2] = 2; - swizzle_pipe[3] = 3; - swizzle_pipe[4] = 4; - swizzle_pipe[5] = 5; - } else { - swizzle_pipe[0] = 0; - swizzle_pipe[1] = 2; - swizzle_pipe[2] = 4; - swizzle_pipe[3] = 1; - swizzle_pipe[4] = 3; - swizzle_pipe[5] = 5; - } - break; - case 8: - if (force_no_swizzle) { - swizzle_pipe[0] = 0; - swizzle_pipe[1] = 1; - swizzle_pipe[2] = 2; - swizzle_pipe[3] = 3; - swizzle_pipe[4] = 4; - swizzle_pipe[5] = 5; - swizzle_pipe[6] = 6; - swizzle_pipe[7] = 7; - } else { - swizzle_pipe[0] = 0; - swizzle_pipe[1] = 2; - swizzle_pipe[2] = 4; - swizzle_pipe[3] = 6; - swizzle_pipe[4] = 1; - swizzle_pipe[5] = 3; - swizzle_pipe[6] = 5; - swizzle_pipe[7] = 7; - } - break; - } - - for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) { - while (((1 << cur_backend) & enabled_backends_mask) == 0) - cur_backend = (cur_backend + 1) % SI_MAX_BACKENDS; - - backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4))); - - cur_backend = (cur_backend + 1) % SI_MAX_BACKENDS; - } - - return backend_map; -} - -static u32 si_get_disable_mask_per_asic(struct radeon_device *rdev, - u32 disable_mask_per_se, - u32 max_disable_mask_per_se, - u32 num_shader_engines) -{ - u32 disable_field_width_per_se = r600_count_pipe_bits(disable_mask_per_se); - u32 disable_mask_per_asic = disable_mask_per_se & max_disable_mask_per_se; - - if (num_shader_engines == 1) - return disable_mask_per_asic; - else if (num_shader_engines == 2) - return disable_mask_per_asic | (disable_mask_per_asic << disable_field_width_per_se); - else - return 0xffffffff; -} - static void si_tiling_mode_table_init(struct radeon_device *rdev) { const u32 num_tile_mode_states = 32; @@ -1562,18 +1368,151 @@ static void si_tiling_mode_table_init(struct radeon_device *rdev) DRM_ERROR("unknown asic: 0x%x\n", rdev->family); } +static void si_select_se_sh(struct radeon_device *rdev, + u32 se_num, u32 sh_num) +{ + u32 data = INSTANCE_BROADCAST_WRITES; + + if ((se_num == 0xffffffff) && (sh_num == 0xffffffff)) + data = SH_BROADCAST_WRITES | SE_BROADCAST_WRITES; + else if (se_num == 0xffffffff) + data |= SE_BROADCAST_WRITES | SH_INDEX(sh_num); + else if (sh_num == 0xffffffff) + data |= SH_BROADCAST_WRITES | SE_INDEX(se_num); + else + data |= SH_INDEX(sh_num) | SE_INDEX(se_num); + WREG32(GRBM_GFX_INDEX, data); +} + +static u32 si_create_bitmask(u32 bit_width) +{ + u32 i, mask = 0; + + for (i = 0; i < bit_width; i++) { + mask <<= 1; + mask |= 1; + } + return mask; +} + +static u32 si_get_cu_enabled(struct radeon_device *rdev, u32 cu_per_sh) +{ + u32 data, mask; + + data = RREG32(CC_GC_SHADER_ARRAY_CONFIG); + if (data & 1) + data &= INACTIVE_CUS_MASK; + else + data = 0; + data |= RREG32(GC_USER_SHADER_ARRAY_CONFIG); + + data >>= INACTIVE_CUS_SHIFT; + + mask = si_create_bitmask(cu_per_sh); + + return ~data & mask; +} + +static void si_setup_spi(struct radeon_device *rdev, + u32 se_num, u32 sh_per_se, + u32 cu_per_sh) +{ + int i, j, k; + u32 data, mask, active_cu; + + for (i = 0; i < se_num; i++) { + for (j = 0; j < sh_per_se; j++) { + si_select_se_sh(rdev, i, j); + data = RREG32(SPI_STATIC_THREAD_MGMT_3); + active_cu = si_get_cu_enabled(rdev, cu_per_sh); + + mask = 1; + for (k = 0; k < 16; k++) { + mask <<= k; + if (active_cu & mask) { + data &= ~mask; + WREG32(SPI_STATIC_THREAD_MGMT_3, data); + break; + } + } + } + } + si_select_se_sh(rdev, 0xffffffff, 0xffffffff); +} + +static u32 si_get_rb_disabled(struct radeon_device *rdev, + u32 max_rb_num, u32 se_num, + u32 sh_per_se) +{ + u32 data, mask; + + data = RREG32(CC_RB_BACKEND_DISABLE); + if (data & 1) + data &= BACKEND_DISABLE_MASK; + else + data = 0; + data |= RREG32(GC_USER_RB_BACKEND_DISABLE); + + data >>= BACKEND_DISABLE_SHIFT; + + mask = si_create_bitmask(max_rb_num / se_num / sh_per_se); + + return data & mask; +} + +static void si_setup_rb(struct radeon_device *rdev, + u32 se_num, u32 sh_per_se, + u32 max_rb_num) +{ + int i, j; + u32 data, mask; + u32 disabled_rbs = 0; + u32 enabled_rbs = 0; + + for (i = 0; i < se_num; i++) { + for (j = 0; j < sh_per_se; j++) { + si_select_se_sh(rdev, i, j); + data = si_get_rb_disabled(rdev, max_rb_num, se_num, sh_per_se); + disabled_rbs |= data << ((i * sh_per_se + j) * TAHITI_RB_BITMAP_WIDTH_PER_SH); + } + } + si_select_se_sh(rdev, 0xffffffff, 0xffffffff); + + mask = 1; + for (i = 0; i < max_rb_num; i++) { + if (!(disabled_rbs & mask)) + enabled_rbs |= mask; + mask <<= 1; + } + + for (i = 0; i < se_num; i++) { + si_select_se_sh(rdev, i, 0xffffffff); + data = 0; + for (j = 0; j < sh_per_se; j++) { + switch (enabled_rbs & 3) { + case 1: + data |= (RASTER_CONFIG_RB_MAP_0 << (i * sh_per_se + j) * 2); + break; + case 2: + data |= (RASTER_CONFIG_RB_MAP_3 << (i * sh_per_se + j) * 2); + break; + case 3: + default: + data |= (RASTER_CONFIG_RB_MAP_2 << (i * sh_per_se + j) * 2); + break; + } + enabled_rbs >>= 2; + } + WREG32(PA_SC_RASTER_CONFIG, data); + } + si_select_se_sh(rdev, 0xffffffff, 0xffffffff); +} + static void si_gpu_init(struct radeon_device *rdev) { - u32 cc_rb_backend_disable = 0; - u32 cc_gc_shader_array_config; u32 gb_addr_config = 0; u32 mc_shared_chmap, mc_arb_ramcfg; - u32 gb_backend_map; - u32 cgts_tcc_disable; u32 sx_debug_1; - u32 gc_user_shader_array_config; - u32 gc_user_rb_backend_disable; - u32 cgts_user_tcc_disable; u32 hdp_host_path_cntl; u32 tmp; int i, j; @@ -1581,9 +1520,9 @@ static void si_gpu_init(struct radeon_device *rdev) switch (rdev->family) { case CHIP_TAHITI: rdev->config.si.max_shader_engines = 2; - rdev->config.si.max_pipes_per_simd = 4; rdev->config.si.max_tile_pipes = 12; - rdev->config.si.max_simds_per_se = 8; + rdev->config.si.max_cu_per_sh = 8; + rdev->config.si.max_sh_per_se = 2; rdev->config.si.max_backends_per_se = 4; rdev->config.si.max_texture_channel_caches = 12; rdev->config.si.max_gprs = 256; @@ -1594,12 +1533,13 @@ static void si_gpu_init(struct radeon_device *rdev) rdev->config.si.sc_prim_fifo_size_backend = 0x100; rdev->config.si.sc_hiz_tile_fifo_size = 0x30; rdev->config.si.sc_earlyz_tile_fifo_size = 0x130; + gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN; break; case CHIP_PITCAIRN: rdev->config.si.max_shader_engines = 2; - rdev->config.si.max_pipes_per_simd = 4; rdev->config.si.max_tile_pipes = 8; - rdev->config.si.max_simds_per_se = 5; + rdev->config.si.max_cu_per_sh = 5; + rdev->config.si.max_sh_per_se = 2; rdev->config.si.max_backends_per_se = 4; rdev->config.si.max_texture_channel_caches = 8; rdev->config.si.max_gprs = 256; @@ -1610,13 +1550,14 @@ static void si_gpu_init(struct radeon_device *rdev) rdev->config.si.sc_prim_fifo_size_backend = 0x100; rdev->config.si.sc_hiz_tile_fifo_size = 0x30; rdev->config.si.sc_earlyz_tile_fifo_size = 0x130; + gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN; break; case CHIP_VERDE: default: rdev->config.si.max_shader_engines = 1; - rdev->config.si.max_pipes_per_simd = 4; rdev->config.si.max_tile_pipes = 4; - rdev->config.si.max_simds_per_se = 2; + rdev->config.si.max_cu_per_sh = 2; + rdev->config.si.max_sh_per_se = 2; rdev->config.si.max_backends_per_se = 4; rdev->config.si.max_texture_channel_caches = 4; rdev->config.si.max_gprs = 256; @@ -1627,6 +1568,7 @@ static void si_gpu_init(struct radeon_device *rdev) rdev->config.si.sc_prim_fifo_size_backend = 0x40; rdev->config.si.sc_hiz_tile_fifo_size = 0x30; rdev->config.si.sc_earlyz_tile_fifo_size = 0x130; + gb_addr_config = VERDE_GB_ADDR_CONFIG_GOLDEN; break; } @@ -1648,31 +1590,7 @@ static void si_gpu_init(struct radeon_device *rdev) mc_shared_chmap = RREG32(MC_SHARED_CHMAP); mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG); - cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE); - cc_gc_shader_array_config = RREG32(CC_GC_SHADER_ARRAY_CONFIG); - cgts_tcc_disable = 0xffff0000; - for (i = 0; i < rdev->config.si.max_texture_channel_caches; i++) - cgts_tcc_disable &= ~(1 << (16 + i)); - gc_user_rb_backend_disable = RREG32(GC_USER_RB_BACKEND_DISABLE); - gc_user_shader_array_config = RREG32(GC_USER_SHADER_ARRAY_CONFIG); - cgts_user_tcc_disable = RREG32(CGTS_USER_TCC_DISABLE); - - rdev->config.si.num_shader_engines = rdev->config.si.max_shader_engines; rdev->config.si.num_tile_pipes = rdev->config.si.max_tile_pipes; - tmp = ((~gc_user_rb_backend_disable) & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT; - rdev->config.si.num_backends_per_se = r600_count_pipe_bits(tmp); - tmp = (gc_user_rb_backend_disable & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT; - rdev->config.si.backend_disable_mask_per_asic = - si_get_disable_mask_per_asic(rdev, tmp, SI_MAX_BACKENDS_PER_SE_MASK, - rdev->config.si.num_shader_engines); - rdev->config.si.backend_map = - si_get_tile_pipe_to_backend_map(rdev, rdev->config.si.num_tile_pipes, - rdev->config.si.num_backends_per_se * - rdev->config.si.num_shader_engines, - &rdev->config.si.backend_disable_mask_per_asic, - rdev->config.si.num_shader_engines); - tmp = ((~cgts_user_tcc_disable) & TCC_DISABLE_MASK) >> TCC_DISABLE_SHIFT; - rdev->config.si.num_texture_channel_caches = r600_count_pipe_bits(tmp); rdev->config.si.mem_max_burst_length_bytes = 256; tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT; rdev->config.si.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024; @@ -1683,55 +1601,8 @@ static void si_gpu_init(struct radeon_device *rdev) rdev->config.si.num_gpus = 1; rdev->config.si.multi_gpu_tile_size = 64; - gb_addr_config = 0; - switch (rdev->config.si.num_tile_pipes) { - case 1: - gb_addr_config |= NUM_PIPES(0); - break; - case 2: - gb_addr_config |= NUM_PIPES(1); - break; - case 4: - gb_addr_config |= NUM_PIPES(2); - break; - case 8: - default: - gb_addr_config |= NUM_PIPES(3); - break; - } - - tmp = (rdev->config.si.mem_max_burst_length_bytes / 256) - 1; - gb_addr_config |= PIPE_INTERLEAVE_SIZE(tmp); - gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.si.num_shader_engines - 1); - tmp = (rdev->config.si.shader_engine_tile_size / 16) - 1; - gb_addr_config |= SHADER_ENGINE_TILE_SIZE(tmp); - switch (rdev->config.si.num_gpus) { - case 1: - default: - gb_addr_config |= NUM_GPUS(0); - break; - case 2: - gb_addr_config |= NUM_GPUS(1); - break; - case 4: - gb_addr_config |= NUM_GPUS(2); - break; - } - switch (rdev->config.si.multi_gpu_tile_size) { - case 16: - gb_addr_config |= MULTI_GPU_TILE_SIZE(0); - break; - case 32: - default: - gb_addr_config |= MULTI_GPU_TILE_SIZE(1); - break; - case 64: - gb_addr_config |= MULTI_GPU_TILE_SIZE(2); - break; - case 128: - gb_addr_config |= MULTI_GPU_TILE_SIZE(3); - break; - } + /* fix up row size */ + gb_addr_config &= ~ROW_SIZE_MASK; switch (rdev->config.si.mem_row_size_in_kb) { case 1: default: @@ -1745,26 +1616,6 @@ static void si_gpu_init(struct radeon_device *rdev) break; } - tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT; - rdev->config.si.num_tile_pipes = (1 << tmp); - tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT; - rdev->config.si.mem_max_burst_length_bytes = (tmp + 1) * 256; - tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT; - rdev->config.si.num_shader_engines = tmp + 1; - tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT; - rdev->config.si.num_gpus = tmp + 1; - tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT; - rdev->config.si.multi_gpu_tile_size = 1 << tmp; - tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT; - rdev->config.si.mem_row_size_in_kb = 1 << tmp; - - gb_backend_map = - si_get_tile_pipe_to_backend_map(rdev, rdev->config.si.num_tile_pipes, - rdev->config.si.num_backends_per_se * - rdev->config.si.num_shader_engines, - &rdev->config.si.backend_disable_mask_per_asic, - rdev->config.si.num_shader_engines); - /* setup tiling info dword. gb_addr_config is not adequate since it does * not have bank info, so create a custom tiling dword. * bits 3:0 num_pipes @@ -1789,33 +1640,29 @@ static void si_gpu_init(struct radeon_device *rdev) rdev->config.si.tile_config |= (3 << 0); break; } - rdev->config.si.tile_config |= - ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4; + if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) + rdev->config.si.tile_config |= 1 << 4; + else + rdev->config.si.tile_config |= 0 << 4; rdev->config.si.tile_config |= ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8; rdev->config.si.tile_config |= ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12; - rdev->config.si.backend_map = gb_backend_map; WREG32(GB_ADDR_CONFIG, gb_addr_config); WREG32(DMIF_ADDR_CONFIG, gb_addr_config); WREG32(HDP_ADDR_CONFIG, gb_addr_config); - /* primary versions */ - WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable); - WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable); - WREG32(CC_GC_SHADER_ARRAY_CONFIG, cc_gc_shader_array_config); - - WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable); + si_tiling_mode_table_init(rdev); - /* user versions */ - WREG32(GC_USER_RB_BACKEND_DISABLE, cc_rb_backend_disable); - WREG32(GC_USER_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable); - WREG32(GC_USER_SHADER_ARRAY_CONFIG, cc_gc_shader_array_config); + si_setup_rb(rdev, rdev->config.si.max_shader_engines, + rdev->config.si.max_sh_per_se, + rdev->config.si.max_backends_per_se); - WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable); + si_setup_spi(rdev, rdev->config.si.max_shader_engines, + rdev->config.si.max_sh_per_se, + rdev->config.si.max_cu_per_sh); - si_tiling_mode_table_init(rdev); /* set HW defaults for 3D engine */ WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 53ea2c42dbd6..db4067962868 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -24,6 +24,11 @@ #ifndef SI_H #define SI_H +#define TAHITI_RB_BITMAP_WIDTH_PER_SH 2 + +#define TAHITI_GB_ADDR_CONFIG_GOLDEN 0x12011003 +#define VERDE_GB_ADDR_CONFIG_GOLDEN 0x12010002 + #define CG_MULT_THERMAL_STATUS 0x714 #define ASIC_MAX_TEMP(x) ((x) << 0) #define ASIC_MAX_TEMP_MASK 0x000001ff @@ -408,6 +413,12 @@ #define SOFT_RESET_IA (1 << 15) #define GRBM_GFX_INDEX 0x802C +#define INSTANCE_INDEX(x) ((x) << 0) +#define SH_INDEX(x) ((x) << 8) +#define SE_INDEX(x) ((x) << 16) +#define SH_BROADCAST_WRITES (1 << 29) +#define INSTANCE_BROADCAST_WRITES (1 << 30) +#define SE_BROADCAST_WRITES (1 << 31) #define GRBM_INT_CNTL 0x8060 # define RDERR_INT_ENABLE (1 << 0) @@ -480,6 +491,8 @@ #define VGT_TF_MEMORY_BASE 0x89B8 #define CC_GC_SHADER_ARRAY_CONFIG 0x89bc +#define INACTIVE_CUS_MASK 0xFFFF0000 +#define INACTIVE_CUS_SHIFT 16 #define GC_USER_SHADER_ARRAY_CONFIG 0x89c0 #define PA_CL_ENHANCE 0x8A14 @@ -688,6 +701,12 @@ #define RLC_MC_CNTL 0xC344 #define RLC_UCODE_CNTL 0xC348 +#define PA_SC_RASTER_CONFIG 0x28350 +# define RASTER_CONFIG_RB_MAP_0 0 +# define RASTER_CONFIG_RB_MAP_1 1 +# define RASTER_CONFIG_RB_MAP_2 2 +# define RASTER_CONFIG_RB_MAP_3 3 + #define VGT_EVENT_INITIATOR 0x28a90 # define SAMPLE_STREAMOUTSTATS1 (1 << 0) # define SAMPLE_STREAMOUTSTATS2 (2 << 0) diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig index beb2491db274..a0edd9854218 100644 --- a/drivers/i2c/muxes/Kconfig +++ b/drivers/i2c/muxes/Kconfig @@ -37,4 +37,16 @@ config I2C_MUX_PCA954x This driver can also be built as a module. If so, the module will be called i2c-mux-pca954x. +config I2C_MUX_PINCTRL + tristate "pinctrl-based I2C multiplexer" + depends on PINCTRL + help + If you say yes to this option, support will be included for an I2C + multiplexer that uses the pinctrl subsystem, i.e. pin multiplexing. + This is useful for SoCs whose I2C module's signals can be routed to + different sets of pins at run-time. + + This driver can also be built as a module. If so, the module will be + called pinctrl-i2cmux. + endmenu diff --git a/drivers/i2c/muxes/Makefile b/drivers/i2c/muxes/Makefile index 5826249b29ca..76da8692afff 100644 --- a/drivers/i2c/muxes/Makefile +++ b/drivers/i2c/muxes/Makefile @@ -4,5 +4,6 @@ obj-$(CONFIG_I2C_MUX_GPIO) += i2c-mux-gpio.o obj-$(CONFIG_I2C_MUX_PCA9541) += i2c-mux-pca9541.o obj-$(CONFIG_I2C_MUX_PCA954x) += i2c-mux-pca954x.o +obj-$(CONFIG_I2C_MUX_PINCTRL) += i2c-mux-pinctrl.o ccflags-$(CONFIG_I2C_DEBUG_BUS) := -DDEBUG diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c new file mode 100644 index 000000000000..46a669763476 --- /dev/null +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c @@ -0,0 +1,279 @@ +/* + * I2C multiplexer using pinctrl API + * + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/i2c.h> +#include <linux/i2c-mux.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/of_i2c.h> +#include <linux/pinctrl/consumer.h> +#include <linux/i2c-mux-pinctrl.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +struct i2c_mux_pinctrl { + struct device *dev; + struct i2c_mux_pinctrl_platform_data *pdata; + struct pinctrl *pinctrl; + struct pinctrl_state **states; + struct pinctrl_state *state_idle; + struct i2c_adapter *parent; + struct i2c_adapter **busses; +}; + +static int i2c_mux_pinctrl_select(struct i2c_adapter *adap, void *data, + u32 chan) +{ + struct i2c_mux_pinctrl *mux = data; + + return pinctrl_select_state(mux->pinctrl, mux->states[chan]); +} + +static int i2c_mux_pinctrl_deselect(struct i2c_adapter *adap, void *data, + u32 chan) +{ + struct i2c_mux_pinctrl *mux = data; + + return pinctrl_select_state(mux->pinctrl, mux->state_idle); +} + +#ifdef CONFIG_OF +static int i2c_mux_pinctrl_parse_dt(struct i2c_mux_pinctrl *mux, + struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + int num_names, i, ret; + struct device_node *adapter_np; + struct i2c_adapter *adapter; + + if (!np) + return 0; + + mux->pdata = devm_kzalloc(&pdev->dev, sizeof(*mux->pdata), GFP_KERNEL); + if (!mux->pdata) { + dev_err(mux->dev, + "Cannot allocate i2c_mux_pinctrl_platform_data\n"); + return -ENOMEM; + } + + num_names = of_property_count_strings(np, "pinctrl-names"); + if (num_names < 0) { + dev_err(mux->dev, "Cannot parse pinctrl-names: %d\n", + num_names); + return num_names; + } + + mux->pdata->pinctrl_states = devm_kzalloc(&pdev->dev, + sizeof(*mux->pdata->pinctrl_states) * num_names, + GFP_KERNEL); + if (!mux->pdata->pinctrl_states) { + dev_err(mux->dev, "Cannot allocate pinctrl_states\n"); + return -ENOMEM; + } + + for (i = 0; i < num_names; i++) { + ret = of_property_read_string_index(np, "pinctrl-names", i, + &mux->pdata->pinctrl_states[mux->pdata->bus_count]); + if (ret < 0) { + dev_err(mux->dev, "Cannot parse pinctrl-names: %d\n", + ret); + return ret; + } + if (!strcmp(mux->pdata->pinctrl_states[mux->pdata->bus_count], + "idle")) { + if (i != num_names - 1) { + dev_err(mux->dev, "idle state must be last\n"); + return -EINVAL; + } + mux->pdata->pinctrl_state_idle = "idle"; + } else { + mux->pdata->bus_count++; + } + } + + adapter_np = of_parse_phandle(np, "i2c-parent", 0); + if (!adapter_np) { + dev_err(mux->dev, "Cannot parse i2c-parent\n"); + return -ENODEV; + } + adapter = of_find_i2c_adapter_by_node(adapter_np); + if (!adapter) { + dev_err(mux->dev, "Cannot find parent bus\n"); + return -ENODEV; + } + mux->pdata->parent_bus_num = i2c_adapter_id(adapter); + put_device(&adapter->dev); + + return 0; +} +#else +static inline int i2c_mux_pinctrl_parse_dt(struct i2c_mux_pinctrl *mux, + struct platform_device *pdev) +{ + return 0; +} +#endif + +static int __devinit i2c_mux_pinctrl_probe(struct platform_device *pdev) +{ + struct i2c_mux_pinctrl *mux; + int (*deselect)(struct i2c_adapter *, void *, u32); + int i, ret; + + mux = devm_kzalloc(&pdev->dev, sizeof(*mux), GFP_KERNEL); + if (!mux) { + dev_err(&pdev->dev, "Cannot allocate i2c_mux_pinctrl\n"); + ret = -ENOMEM; + goto err; + } + platform_set_drvdata(pdev, mux); + + mux->dev = &pdev->dev; + + mux->pdata = pdev->dev.platform_data; + if (!mux->pdata) { + ret = i2c_mux_pinctrl_parse_dt(mux, pdev); + if (ret < 0) + goto err; + } + if (!mux->pdata) { + dev_err(&pdev->dev, "Missing platform data\n"); + ret = -ENODEV; + goto err; + } + + mux->states = devm_kzalloc(&pdev->dev, + sizeof(*mux->states) * mux->pdata->bus_count, + GFP_KERNEL); + if (!mux->states) { + dev_err(&pdev->dev, "Cannot allocate states\n"); + ret = -ENOMEM; + goto err; + } + + mux->busses = devm_kzalloc(&pdev->dev, + sizeof(mux->busses) * mux->pdata->bus_count, + GFP_KERNEL); + if (!mux->states) { + dev_err(&pdev->dev, "Cannot allocate busses\n"); + ret = -ENOMEM; + goto err; + } + + mux->pinctrl = devm_pinctrl_get(&pdev->dev); + if (IS_ERR(mux->pinctrl)) { + ret = PTR_ERR(mux->pinctrl); + dev_err(&pdev->dev, "Cannot get pinctrl: %d\n", ret); + goto err; + } + for (i = 0; i < mux->pdata->bus_count; i++) { + mux->states[i] = pinctrl_lookup_state(mux->pinctrl, + mux->pdata->pinctrl_states[i]); + if (IS_ERR(mux->states[i])) { + ret = PTR_ERR(mux->states[i]); + dev_err(&pdev->dev, + "Cannot look up pinctrl state %s: %d\n", + mux->pdata->pinctrl_states[i], ret); + goto err; + } + } + if (mux->pdata->pinctrl_state_idle) { + mux->state_idle = pinctrl_lookup_state(mux->pinctrl, + mux->pdata->pinctrl_state_idle); + if (IS_ERR(mux->state_idle)) { + ret = PTR_ERR(mux->state_idle); + dev_err(&pdev->dev, + "Cannot look up pinctrl state %s: %d\n", + mux->pdata->pinctrl_state_idle, ret); + goto err; + } + + deselect = i2c_mux_pinctrl_deselect; + } else { + deselect = NULL; + } + + mux->parent = i2c_get_adapter(mux->pdata->parent_bus_num); + if (!mux->parent) { + dev_err(&pdev->dev, "Parent adapter (%d) not found\n", + mux->pdata->parent_bus_num); + ret = -ENODEV; + goto err; + } + + for (i = 0; i < mux->pdata->bus_count; i++) { + u32 bus = mux->pdata->base_bus_num ? + (mux->pdata->base_bus_num + i) : 0; + + mux->busses[i] = i2c_add_mux_adapter(mux->parent, &pdev->dev, + mux, bus, i, + i2c_mux_pinctrl_select, + deselect); + if (!mux->busses[i]) { + ret = -ENODEV; + dev_err(&pdev->dev, "Failed to add adapter %d\n", i); + goto err_del_adapter; + } + } + + return 0; + +err_del_adapter: + for (; i > 0; i--) + i2c_del_mux_adapter(mux->busses[i - 1]); + i2c_put_adapter(mux->parent); +err: + return ret; +} + +static int __devexit i2c_mux_pinctrl_remove(struct platform_device *pdev) +{ + struct i2c_mux_pinctrl *mux = platform_get_drvdata(pdev); + int i; + + for (i = 0; i < mux->pdata->bus_count; i++) + i2c_del_mux_adapter(mux->busses[i]); + + i2c_put_adapter(mux->parent); + + return 0; +} + +#ifdef CONFIG_OF +static const struct of_device_id i2c_mux_pinctrl_of_match[] __devinitconst = { + { .compatible = "i2c-mux-pinctrl", }, + {}, +}; +MODULE_DEVICE_TABLE(of, i2c_mux_pinctrl_of_match); +#endif + +static struct platform_driver i2c_mux_pinctrl_driver = { + .driver = { + .name = "i2c-mux-pinctrl", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(i2c_mux_pinctrl_of_match), + }, + .probe = i2c_mux_pinctrl_probe, + .remove = __devexit_p(i2c_mux_pinctrl_remove), +}; +module_platform_driver(i2c_mux_pinctrl_driver); + +MODULE_DESCRIPTION("pinctrl-based I2C multiplexer driver"); +MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:i2c-mux-pinctrl"); diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 55ab284e22f2..b18870c455ad 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -1593,6 +1593,10 @@ static int import_ep(struct c4iw_ep *ep, __be32 peer_ip, struct dst_entry *dst, struct net_device *pdev; pdev = ip_dev_find(&init_net, peer_ip); + if (!pdev) { + err = -ENODEV; + goto out; + } ep->l2t = cxgb4_l2t_get(cdev->rdev.lldi.l2t, n, pdev, 0); if (!ep->l2t) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index ee1c577238f7..3530c41fcd1f 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -140,7 +140,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->max_mr_size = ~0ull; props->page_size_cap = dev->dev->caps.page_size_cap; props->max_qp = dev->dev->caps.num_qps - dev->dev->caps.reserved_qps; - props->max_qp_wr = dev->dev->caps.max_wqes; + props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE; props->max_sge = min(dev->dev->caps.max_sq_sg, dev->dev->caps.max_rq_sg); props->max_cq = dev->dev->caps.num_cqs - dev->dev->caps.reserved_cqs; @@ -1084,12 +1084,9 @@ static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) int total_eqs = 0; int i, j, eq; - /* Init eq table */ - ibdev->eq_table = NULL; - ibdev->eq_added = 0; - - /* Legacy mode? */ - if (dev->caps.comp_pool == 0) + /* Legacy mode or comp_pool is not large enough */ + if (dev->caps.comp_pool == 0 || + dev->caps.num_ports > dev->caps.comp_pool) return; eq_per_port = rounddown_pow_of_two(dev->caps.comp_pool/ @@ -1135,7 +1132,10 @@ static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) { int i; - int total_eqs; + + /* no additional eqs were added */ + if (!ibdev->eq_table) + return; /* Reset the advertised EQ number */ ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; @@ -1148,12 +1148,7 @@ static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) mlx4_release_eq(dev, ibdev->eq_table[i]); } - total_eqs = dev->caps.num_comp_vectors + ibdev->eq_added; - memset(ibdev->eq_table, 0, total_eqs * sizeof(int)); kfree(ibdev->eq_table); - - ibdev->eq_table = NULL; - ibdev->eq_added = 0; } static void *mlx4_ib_add(struct mlx4_dev *dev) diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index e62297cc77cc..ff36655d23d3 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -44,6 +44,14 @@ #include <linux/mlx4/device.h> #include <linux/mlx4/doorbell.h> +enum { + MLX4_IB_SQ_MIN_WQE_SHIFT = 6, + MLX4_IB_MAX_HEADROOM = 2048 +}; + +#define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1) +#define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT)) + struct mlx4_ib_ucontext { struct ib_ucontext ibucontext; struct mlx4_uar uar; diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index ceb33327091a..8d4ed24aef93 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -310,8 +310,8 @@ static int set_rq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap, int is_user, int has_rq, struct mlx4_ib_qp *qp) { /* Sanity check RQ size before proceeding */ - if (cap->max_recv_wr > dev->dev->caps.max_wqes || - cap->max_recv_sge > dev->dev->caps.max_rq_sg) + if (cap->max_recv_wr > dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE || + cap->max_recv_sge > min(dev->dev->caps.max_sq_sg, dev->dev->caps.max_rq_sg)) return -EINVAL; if (!has_rq) { @@ -329,8 +329,17 @@ static int set_rq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap, qp->rq.wqe_shift = ilog2(qp->rq.max_gs * sizeof (struct mlx4_wqe_data_seg)); } - cap->max_recv_wr = qp->rq.max_post = qp->rq.wqe_cnt; - cap->max_recv_sge = qp->rq.max_gs; + /* leave userspace return values as they were, so as not to break ABI */ + if (is_user) { + cap->max_recv_wr = qp->rq.max_post = qp->rq.wqe_cnt; + cap->max_recv_sge = qp->rq.max_gs; + } else { + cap->max_recv_wr = qp->rq.max_post = + min(dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE, qp->rq.wqe_cnt); + cap->max_recv_sge = min(qp->rq.max_gs, + min(dev->dev->caps.max_sq_sg, + dev->dev->caps.max_rq_sg)); + } return 0; } @@ -341,8 +350,8 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap, int s; /* Sanity check SQ size before proceeding */ - if (cap->max_send_wr > dev->dev->caps.max_wqes || - cap->max_send_sge > dev->dev->caps.max_sq_sg || + if (cap->max_send_wr > (dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE) || + cap->max_send_sge > min(dev->dev->caps.max_sq_sg, dev->dev->caps.max_rq_sg) || cap->max_inline_data + send_wqe_overhead(type, qp->flags) + sizeof (struct mlx4_wqe_inline_seg) > dev->dev->caps.max_sq_desc_sz) return -EINVAL; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h index 85a69c958559..037f5cea85bd 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma.h @@ -231,7 +231,6 @@ struct ocrdma_qp_hwq_info { u32 entry_size; u32 max_cnt; u32 max_wqe_idx; - u32 free_delta; u16 dbid; /* qid, where to ring the doorbell. */ u32 len; dma_addr_t pa; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_abi.h b/drivers/infiniband/hw/ocrdma/ocrdma_abi.h index a411a4e3193d..517ab20b727c 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_abi.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_abi.h @@ -101,8 +101,6 @@ struct ocrdma_create_qp_uresp { u32 rsvd1; u32 num_wqe_allocated; u32 num_rqe_allocated; - u32 free_wqe_delta; - u32 free_rqe_delta; u32 db_sq_offset; u32 db_rq_offset; u32 db_shift; @@ -126,8 +124,7 @@ struct ocrdma_create_srq_uresp { u32 db_rq_offset; u32 db_shift; - u32 free_rqe_delta; - u32 rsvd2; + u64 rsvd2; u64 rsvd3; } __packed; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 9b204b1ba336..9343a1522977 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -732,7 +732,7 @@ static void ocrdma_dispatch_ibevent(struct ocrdma_dev *dev, break; case OCRDMA_SRQ_LIMIT_EVENT: ib_evt.element.srq = &qp->srq->ibsrq; - ib_evt.event = IB_EVENT_QP_LAST_WQE_REACHED; + ib_evt.event = IB_EVENT_SRQ_LIMIT_REACHED; srq_event = 1; qp_event = 0; break; @@ -1990,19 +1990,12 @@ static void ocrdma_get_create_qp_rsp(struct ocrdma_create_qp_rsp *rsp, max_wqe_allocated = 1 << max_wqe_allocated; max_rqe_allocated = 1 << ((u16)rsp->max_wqe_rqe); - if (qp->dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) { - qp->sq.free_delta = 0; - qp->rq.free_delta = 1; - } else - qp->sq.free_delta = 1; - qp->sq.max_cnt = max_wqe_allocated; qp->sq.max_wqe_idx = max_wqe_allocated - 1; if (!attrs->srq) { qp->rq.max_cnt = max_rqe_allocated; qp->rq.max_wqe_idx = max_rqe_allocated - 1; - qp->rq.free_delta = 1; } } diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index a20d16eaae71..04fef3de6d75 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -26,7 +26,6 @@ *******************************************************************/ #include <linux/module.h> -#include <linux/version.h> #include <linux/idr.h> #include <rdma/ib_verbs.h> #include <rdma/ib_user_verbs.h> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index e9f74d1b48f6..d16d172b6b6b 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -940,8 +940,6 @@ static int ocrdma_copy_qp_uresp(struct ocrdma_qp *qp, uresp.db_rq_offset = OCRDMA_DB_RQ_OFFSET; uresp.db_shift = 16; } - uresp.free_wqe_delta = qp->sq.free_delta; - uresp.free_rqe_delta = qp->rq.free_delta; if (qp->dpp_enabled) { uresp.dpp_credit = dpp_credit_lmt; @@ -1307,8 +1305,6 @@ static int ocrdma_hwq_free_cnt(struct ocrdma_qp_hwq_info *q) free_cnt = (q->max_cnt - q->head) + q->tail; else free_cnt = q->tail - q->head; - if (q->free_delta) - free_cnt -= q->free_delta; return free_cnt; } @@ -1501,7 +1497,6 @@ static int ocrdma_copy_srq_uresp(struct ocrdma_srq *srq, struct ib_udata *udata) (srq->pd->id * srq->dev->nic_info.db_page_size); uresp.db_page_size = srq->dev->nic_info.db_page_size; uresp.num_rqe_allocated = srq->rq.max_cnt; - uresp.free_rqe_delta = 1; if (srq->dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) { uresp.db_rq_offset = OCRDMA_DB_GEN2_RQ1_OFFSET; uresp.db_shift = 24; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h index e6483439f25f..633f03d80274 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h @@ -28,7 +28,6 @@ #ifndef __OCRDMA_VERBS_H__ #define __OCRDMA_VERBS_H__ -#include <linux/version.h> int ocrdma_post_send(struct ib_qp *, struct ib_send_wr *, struct ib_send_wr **bad_wr); int ocrdma_post_recv(struct ib_qp *, struct ib_recv_wr *, diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index d90a421e9cac..a2e418cba0ff 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -547,26 +547,12 @@ static void iommu_poll_events(struct amd_iommu *iommu) spin_unlock_irqrestore(&iommu->lock, flags); } -static void iommu_handle_ppr_entry(struct amd_iommu *iommu, u32 head) +static void iommu_handle_ppr_entry(struct amd_iommu *iommu, u64 *raw) { struct amd_iommu_fault fault; - volatile u64 *raw; - int i; INC_STATS_COUNTER(pri_requests); - raw = (u64 *)(iommu->ppr_log + head); - - /* - * Hardware bug: Interrupt may arrive before the entry is written to - * memory. If this happens we need to wait for the entry to arrive. - */ - for (i = 0; i < LOOP_TIMEOUT; ++i) { - if (PPR_REQ_TYPE(raw[0]) != 0) - break; - udelay(1); - } - if (PPR_REQ_TYPE(raw[0]) != PPR_REQ_FAULT) { pr_err_ratelimited("AMD-Vi: Unknown PPR request received\n"); return; @@ -578,12 +564,6 @@ static void iommu_handle_ppr_entry(struct amd_iommu *iommu, u32 head) fault.tag = PPR_TAG(raw[0]); fault.flags = PPR_FLAGS(raw[0]); - /* - * To detect the hardware bug we need to clear the entry - * to back to zero. - */ - raw[0] = raw[1] = 0; - atomic_notifier_call_chain(&ppr_notifier, 0, &fault); } @@ -595,25 +575,62 @@ static void iommu_poll_ppr_log(struct amd_iommu *iommu) if (iommu->ppr_log == NULL) return; + /* enable ppr interrupts again */ + writel(MMIO_STATUS_PPR_INT_MASK, iommu->mmio_base + MMIO_STATUS_OFFSET); + spin_lock_irqsave(&iommu->lock, flags); head = readl(iommu->mmio_base + MMIO_PPR_HEAD_OFFSET); tail = readl(iommu->mmio_base + MMIO_PPR_TAIL_OFFSET); while (head != tail) { + volatile u64 *raw; + u64 entry[2]; + int i; - /* Handle PPR entry */ - iommu_handle_ppr_entry(iommu, head); + raw = (u64 *)(iommu->ppr_log + head); + + /* + * Hardware bug: Interrupt may arrive before the entry is + * written to memory. If this happens we need to wait for the + * entry to arrive. + */ + for (i = 0; i < LOOP_TIMEOUT; ++i) { + if (PPR_REQ_TYPE(raw[0]) != 0) + break; + udelay(1); + } + + /* Avoid memcpy function-call overhead */ + entry[0] = raw[0]; + entry[1] = raw[1]; - /* Update and refresh ring-buffer state*/ + /* + * To detect the hardware bug we need to clear the entry + * back to zero. + */ + raw[0] = raw[1] = 0UL; + + /* Update head pointer of hardware ring-buffer */ head = (head + PPR_ENTRY_SIZE) % PPR_LOG_SIZE; writel(head, iommu->mmio_base + MMIO_PPR_HEAD_OFFSET); + + /* + * Release iommu->lock because ppr-handling might need to + * re-aquire it + */ + spin_unlock_irqrestore(&iommu->lock, flags); + + /* Handle PPR entry */ + iommu_handle_ppr_entry(iommu, entry); + + spin_lock_irqsave(&iommu->lock, flags); + + /* Refresh ring-buffer information */ + head = readl(iommu->mmio_base + MMIO_PPR_HEAD_OFFSET); tail = readl(iommu->mmio_base + MMIO_PPR_TAIL_OFFSET); } - /* enable ppr interrupts again */ - writel(MMIO_STATUS_PPR_INT_MASK, iommu->mmio_base + MMIO_STATUS_OFFSET); - spin_unlock_irqrestore(&iommu->lock, flags); } diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index c56790375e0f..542024ba6dba 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -1029,6 +1029,9 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) if (!iommu->dev) return 1; + iommu->root_pdev = pci_get_bus_and_slot(iommu->dev->bus->number, + PCI_DEVFN(0, 0)); + iommu->cap_ptr = h->cap_ptr; iommu->pci_seg = h->pci_seg; iommu->mmio_phys = h->mmio_phys; @@ -1323,20 +1326,16 @@ static void iommu_apply_resume_quirks(struct amd_iommu *iommu) { int i, j; u32 ioc_feature_control; - struct pci_dev *pdev = NULL; + struct pci_dev *pdev = iommu->root_pdev; /* RD890 BIOSes may not have completely reconfigured the iommu */ - if (!is_rd890_iommu(iommu->dev)) + if (!is_rd890_iommu(iommu->dev) || !pdev) return; /* * First, we need to ensure that the iommu is enabled. This is * controlled by a register in the northbridge */ - pdev = pci_get_bus_and_slot(iommu->dev->bus->number, PCI_DEVFN(0, 0)); - - if (!pdev) - return; /* Select Northbridge indirect register 0x75 and enable writing */ pci_write_config_dword(pdev, 0x60, 0x75 | (1 << 7)); @@ -1346,8 +1345,6 @@ static void iommu_apply_resume_quirks(struct amd_iommu *iommu) if (!(ioc_feature_control & 0x1)) pci_write_config_dword(pdev, 0x64, ioc_feature_control | 1); - pci_dev_put(pdev); - /* Restore the iommu BAR */ pci_write_config_dword(iommu->dev, iommu->cap_ptr + 4, iommu->stored_addr_lo); diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index 2452f3b71736..24355559a2ad 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -481,6 +481,9 @@ struct amd_iommu { /* Pointer to PCI device of this IOMMU */ struct pci_dev *dev; + /* Cache pdev to root device for resume quirks */ + struct pci_dev *root_pdev; + /* physical address of MMIO space */ u64 mmio_phys; /* virtual address of MMIO space */ diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 835de7168cd3..a9c7981ddd24 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2550,6 +2550,7 @@ static struct r1conf *setup_conf(struct mddev *mddev) err = -EINVAL; spin_lock_init(&conf->device_lock); rdev_for_each(rdev, mddev) { + struct request_queue *q; int disk_idx = rdev->raid_disk; if (disk_idx >= mddev->raid_disks || disk_idx < 0) @@ -2562,6 +2563,9 @@ static struct r1conf *setup_conf(struct mddev *mddev) if (disk->rdev) goto abort; disk->rdev = rdev; + q = bdev_get_queue(rdev->bdev); + if (q->merge_bvec_fn) + mddev->merge_check_needed = 1; disk->head_position = 0; } diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 987db37cb875..99ae6068e456 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3475,6 +3475,7 @@ static int run(struct mddev *mddev) rdev_for_each(rdev, mddev) { long long diff; + struct request_queue *q; disk_idx = rdev->raid_disk; if (disk_idx < 0) @@ -3493,6 +3494,9 @@ static int run(struct mddev *mddev) goto out_free_conf; disk->rdev = rdev; } + q = bdev_get_queue(rdev->bdev); + if (q->merge_bvec_fn) + mddev->merge_check_needed = 1; diff = (rdev->new_data_offset - rdev->data_offset); if (!mddev->reshape_backwards) diff = -diff; diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 1fe2c7a8b40c..a8fb52992c64 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -697,10 +697,10 @@ static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod, if (slave != dev->caps.function) memset(inbox->buf, 0, 256); if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { - *(u8 *) inbox->buf = !!reset_qkey_viols << 6; + *(u8 *) inbox->buf |= !!reset_qkey_viols << 6; ((__be32 *) inbox->buf)[2] = agg_cap_mask; } else { - ((u8 *) inbox->buf)[3] = !!reset_qkey_viols; + ((u8 *) inbox->buf)[3] |= !!reset_qkey_viols; ((__be32 *) inbox->buf)[1] = agg_cap_mask; } diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c index 639db4d0aa76..2fd9d36acd15 100644 --- a/drivers/platform/x86/acerhdf.c +++ b/drivers/platform/x86/acerhdf.c @@ -5,7 +5,7 @@ * * (C) 2009 - Peter Feuerer peter (a) piie.net * http://piie.net - * 2009 Borislav Petkov <petkovbb@gmail.com> + * 2009 Borislav Petkov bp (a) alien8.de * * Inspired by and many thanks to: * o acerfand - Rachel Greenham diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c index 37c609898f84..7e6136e2ce81 100644 --- a/drivers/target/sbp/sbp_target.c +++ b/drivers/target/sbp/sbp_target.c @@ -587,14 +587,14 @@ static void sbp_management_request_logout( { struct sbp_tport *tport = agent->tport; struct sbp_tpg *tpg = tport->tpg; - int login_id; + int id; struct sbp_login_descriptor *login; - login_id = LOGOUT_ORB_LOGIN_ID(be32_to_cpu(req->orb.misc)); + id = LOGOUT_ORB_LOGIN_ID(be32_to_cpu(req->orb.misc)); - login = sbp_login_find_by_id(tpg, login_id); + login = sbp_login_find_by_id(tpg, id); if (!login) { - pr_warn("cannot find login: %d\n", login_id); + pr_warn("cannot find login: %d\n", id); req->status.status = cpu_to_be32( STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) | diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c index 686dba189f8e..9f99d0404908 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -133,16 +133,11 @@ static struct se_device *fd_create_virtdevice( ret = PTR_ERR(dev_p); goto fail; } - - /* O_DIRECT too? */ - flags = O_RDWR | O_CREAT | O_LARGEFILE; - /* - * If fd_buffered_io=1 has not been set explicitly (the default), - * use O_SYNC to force FILEIO writes to disk. + * Use O_DSYNC by default instead of O_SYNC to forgo syncing + * of pure timestamp updates. */ - if (!(fd_dev->fbd_flags & FDBD_USE_BUFFERED_IO)) - flags |= O_SYNC; + flags = O_RDWR | O_CREAT | O_LARGEFILE | O_DSYNC; file = filp_open(dev_p, flags, 0600); if (IS_ERR(file)) { @@ -380,23 +375,6 @@ static void fd_emulate_sync_cache(struct se_cmd *cmd) } } -static void fd_emulate_write_fua(struct se_cmd *cmd) -{ - struct se_device *dev = cmd->se_dev; - struct fd_dev *fd_dev = dev->dev_ptr; - loff_t start = cmd->t_task_lba * - dev->se_sub_dev->se_dev_attrib.block_size; - loff_t end = start + cmd->data_length; - int ret; - - pr_debug("FILEIO: FUA WRITE LBA: %llu, bytes: %u\n", - cmd->t_task_lba, cmd->data_length); - - ret = vfs_fsync_range(fd_dev->fd_file, start, end, 1); - if (ret != 0) - pr_err("FILEIO: vfs_fsync_range() failed: %d\n", ret); -} - static int fd_execute_cmd(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, enum dma_data_direction data_direction) { @@ -411,19 +389,21 @@ static int fd_execute_cmd(struct se_cmd *cmd, struct scatterlist *sgl, ret = fd_do_readv(cmd, sgl, sgl_nents); } else { ret = fd_do_writev(cmd, sgl, sgl_nents); - + /* + * Perform implict vfs_fsync_range() for fd_do_writev() ops + * for SCSI WRITEs with Forced Unit Access (FUA) set. + * Allow this to happen independent of WCE=0 setting. + */ if (ret > 0 && - dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0 && dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 && (cmd->se_cmd_flags & SCF_FUA)) { - /* - * We might need to be a bit smarter here - * and return some sense data to let the initiator - * know the FUA WRITE cache sync failed..? - */ - fd_emulate_write_fua(cmd); - } + struct fd_dev *fd_dev = dev->dev_ptr; + loff_t start = cmd->t_task_lba * + dev->se_sub_dev->se_dev_attrib.block_size; + loff_t end = start + cmd->data_length; + vfs_fsync_range(fd_dev->fd_file, start, end, 1); + } } if (ret < 0) { @@ -442,7 +422,6 @@ enum { static match_table_t tokens = { {Opt_fd_dev_name, "fd_dev_name=%s"}, {Opt_fd_dev_size, "fd_dev_size=%s"}, - {Opt_fd_buffered_io, "fd_buffered_io=%d"}, {Opt_err, NULL} }; @@ -454,7 +433,7 @@ static ssize_t fd_set_configfs_dev_params( struct fd_dev *fd_dev = se_dev->se_dev_su_ptr; char *orig, *ptr, *arg_p, *opts; substring_t args[MAX_OPT_ARGS]; - int ret = 0, arg, token; + int ret = 0, token; opts = kstrdup(page, GFP_KERNEL); if (!opts) @@ -498,19 +477,6 @@ static ssize_t fd_set_configfs_dev_params( " bytes\n", fd_dev->fd_dev_size); fd_dev->fbd_flags |= FBDF_HAS_SIZE; break; - case Opt_fd_buffered_io: - match_int(args, &arg); - if (arg != 1) { - pr_err("bogus fd_buffered_io=%d value\n", arg); - ret = -EINVAL; - goto out; - } - - pr_debug("FILEIO: Using buffered I/O" - " operations for struct fd_dev\n"); - - fd_dev->fbd_flags |= FDBD_USE_BUFFERED_IO; - break; default: break; } @@ -542,10 +508,8 @@ static ssize_t fd_show_configfs_dev_params( ssize_t bl = 0; bl = sprintf(b + bl, "TCM FILEIO ID: %u", fd_dev->fd_dev_id); - bl += sprintf(b + bl, " File: %s Size: %llu Mode: %s\n", - fd_dev->fd_dev_name, fd_dev->fd_dev_size, - (fd_dev->fbd_flags & FDBD_USE_BUFFERED_IO) ? - "Buffered" : "Synchronous"); + bl += sprintf(b + bl, " File: %s Size: %llu Mode: O_DSYNC\n", + fd_dev->fd_dev_name, fd_dev->fd_dev_size); return bl; } diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h index fbd59ef7d8be..70ce7fd7111d 100644 --- a/drivers/target/target_core_file.h +++ b/drivers/target/target_core_file.h @@ -14,7 +14,6 @@ #define FBDF_HAS_PATH 0x01 #define FBDF_HAS_SIZE 0x02 -#define FDBD_USE_BUFFERED_IO 0x04 struct fd_dev { u32 fbd_flags; diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index b0d62820ada1..9e6e1c6eb60a 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -440,8 +440,8 @@ static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable) #else /* CONFIG_ACPI */ -static int register_acpi_bus_type(struct acpi_bus_type *bus) { return 0; } -static int unregister_acpi_bus_type(struct acpi_bus_type *bus) { return 0; } +static inline int register_acpi_bus_type(void *bus) { return 0; } +static inline int unregister_acpi_bus_type(void *bus) { return 0; } #endif /* CONFIG_ACPI */ diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index 58d0bdab68dd..81368ab6c611 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -181,6 +181,7 @@ {0x1002, 0x6747, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6748, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6749, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x674A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6750, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6751, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6758, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ @@ -198,6 +199,7 @@ {0x1002, 0x6767, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6768, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6770, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6771, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6772, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6778, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6779, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ @@ -229,10 +231,11 @@ {0x1002, 0x6827, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6829, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x682B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x682D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x682F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ - {0x1002, 0x6830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \ - {0x1002, 0x6831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6838, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6839, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \ @@ -531,6 +534,7 @@ {0x1002, 0x9645, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO2|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x9648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ + {0x1002, 0x9649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x964a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x964b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x964c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ @@ -550,6 +554,7 @@ {0x1002, 0x9807, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9808, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9809, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x980A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9901, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9903, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ @@ -561,11 +566,19 @@ {0x1002, 0x9909, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x990A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x990F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x9910, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x9913, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x9917, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x9918, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x9919, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9990, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9991, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9992, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9993, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9994, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x99A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x99A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x99A4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0, 0, 0} #define r128_PCI_IDS \ diff --git a/include/drm/exynos_drm.h b/include/drm/exynos_drm.h index b6d7ce92eadd..68733587e700 100644 --- a/include/drm/exynos_drm.h +++ b/include/drm/exynos_drm.h @@ -64,6 +64,7 @@ struct drm_exynos_gem_map_off { * A structure for mapping buffer. * * @handle: a handle to gem object created. + * @pad: just padding to be 64-bit aligned. * @size: memory size to be mapped. * @mapped: having user virtual address mmaped. * - this variable would be filled by exynos gem module @@ -72,7 +73,8 @@ struct drm_exynos_gem_map_off { */ struct drm_exynos_gem_mmap { unsigned int handle; - unsigned int size; + unsigned int pad; + uint64_t size; uint64_t mapped; }; diff --git a/include/linux/i2c-mux-pinctrl.h b/include/linux/i2c-mux-pinctrl.h new file mode 100644 index 000000000000..a65c86429e84 --- /dev/null +++ b/include/linux/i2c-mux-pinctrl.h @@ -0,0 +1,41 @@ +/* + * i2c-mux-pinctrl platform data + * + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _LINUX_I2C_MUX_PINCTRL_H +#define _LINUX_I2C_MUX_PINCTRL_H + +/** + * struct i2c_mux_pinctrl_platform_data - Platform data for i2c-mux-pinctrl + * @parent_bus_num: Parent I2C bus number + * @base_bus_num: Base I2C bus number for the child busses. 0 for dynamic. + * @bus_count: Number of child busses. Also the number of elements in + * @pinctrl_states + * @pinctrl_states: The names of the pinctrl state to select for each child bus + * @pinctrl_state_idle: The pinctrl state to select when no child bus is being + * accessed. If NULL, the most recently used pinctrl state will be left + * selected. + */ +struct i2c_mux_pinctrl_platform_data { + int parent_bus_num; + int base_bus_num; + int bus_count; + const char **pinctrl_states; + const char *pinctrl_state_idle; +}; + +#endif diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index 1b14d25162cb..d6a58065c09c 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -128,7 +128,7 @@ struct kparam_array * The ops can have NULL set or get functions. */ #define module_param_cb(name, ops, arg, perm) \ - __module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, 0) + __module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, -1) /** * <level>_param_cb - general callback for a module/cmdline parameter @@ -192,7 +192,7 @@ struct kparam_array { (void *)set, (void *)get }; \ __module_param_call(MODULE_PARAM_PREFIX, \ name, &__param_ops_##name, arg, \ - (perm) + sizeof(__check_old_set_param(set))*0, 0) + (perm) + sizeof(__check_old_set_param(set))*0, -1) /* We don't get oldget: it's often a new-style param_get_uint, etc. */ static inline int @@ -272,7 +272,7 @@ static inline void __kernel_param_unlock(void) */ #define core_param(name, var, type, perm) \ param_check_##type(name, &(var)); \ - __module_param_call("", name, ¶m_ops_##type, &var, perm, 0) + __module_param_call("", name, ¶m_ops_##type, &var, perm, -1) #endif /* !MODULE */ /** @@ -290,7 +290,7 @@ static inline void __kernel_param_unlock(void) = { len, string }; \ __module_param_call(MODULE_PARAM_PREFIX, name, \ ¶m_ops_string, \ - .str = &__param_string_##name, perm, 0); \ + .str = &__param_string_##name, perm, -1); \ __MODULE_PARM_TYPE(name, "string") /** @@ -432,7 +432,7 @@ extern int param_set_bint(const char *val, const struct kernel_param *kp); __module_param_call(MODULE_PARAM_PREFIX, name, \ ¶m_array_ops, \ .arr = &__param_arr_##name, \ - perm, 0); \ + perm, -1); \ __MODULE_PARM_TYPE(name, "array of " #type) extern struct kernel_param_ops param_array_ops; diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index f32578634d9d..45db49f64bb4 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -555,6 +555,8 @@ enum perf_event_type { PERF_RECORD_MAX, /* non-ABI */ }; +#define PERF_MAX_STACK_DEPTH 127 + enum perf_callchain_context { PERF_CONTEXT_HV = (__u64)-32, PERF_CONTEXT_KERNEL = (__u64)-128, @@ -609,8 +611,6 @@ struct perf_guest_info_callbacks { #include <linux/sysfs.h> #include <asm/local.h> -#define PERF_MAX_STACK_DEPTH 255 - struct perf_callchain_entry { __u64 nr; __u64 ip[PERF_MAX_STACK_DEPTH]; diff --git a/include/linux/prctl.h b/include/linux/prctl.h index 711e0a30aacc..3988012255dc 100644 --- a/include/linux/prctl.h +++ b/include/linux/prctl.h @@ -127,8 +127,8 @@ #define PR_SET_PTRACER 0x59616d61 # define PR_SET_PTRACER_ANY ((unsigned long)-1) -#define PR_SET_CHILD_SUBREAPER 36 -#define PR_GET_CHILD_SUBREAPER 37 +#define PR_SET_CHILD_SUBREAPER 36 +#define PR_GET_CHILD_SUBREAPER 37 /* * If no_new_privs is set, then operations that grant new privileges (i.e. @@ -142,7 +142,9 @@ * asking selinux for a specific new context (e.g. with runcon) will result * in execve returning -EPERM. */ -#define PR_SET_NO_NEW_PRIVS 38 -#define PR_GET_NO_NEW_PRIVS 39 +#define PR_SET_NO_NEW_PRIVS 38 +#define PR_GET_NO_NEW_PRIVS 39 + +#define PR_GET_TID_ADDRESS 40 #endif /* _LINUX_PRCTL_H */ diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index 0d04cd69ab9b..ffc444c38b0a 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -368,8 +368,11 @@ radix_tree_next_slot(void **slot, struct radix_tree_iter *iter, unsigned flags) iter->index++; if (likely(*slot)) return slot; - if (flags & RADIX_TREE_ITER_CONTIG) + if (flags & RADIX_TREE_ITER_CONTIG) { + /* forbid switching to the next chunk */ + iter->next_index = 0; break; + } } } return NULL; diff --git a/include/linux/sched.h b/include/linux/sched.h index 6029d8c54476..c688d4cc2e40 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -439,6 +439,7 @@ extern int get_dumpable(struct mm_struct *mm); /* leave room for more dump flags */ #define MMF_VM_MERGEABLE 16 /* KSM may merge identical pages */ #define MMF_VM_HUGEPAGE 17 /* set when VM_HUGEPAGE is set on vma */ +#define MMF_EXE_FILE_CHANGED 18 /* see prctl_set_mm_exe_file() */ #define MMF_INIT_MASK (MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK) diff --git a/init/main.c b/init/main.c index 1ca6b32c4828..b5cc0a7c4708 100644 --- a/init/main.c +++ b/init/main.c @@ -508,7 +508,7 @@ asmlinkage void __init start_kernel(void) parse_early_param(); parse_args("Booting kernel", static_command_line, __start___param, __stop___param - __start___param, - 0, 0, &unknown_bootoption); + -1, -1, &unknown_bootoption); jump_label_init(); @@ -755,13 +755,8 @@ static void __init do_initcalls(void) { int level; - for (level = 0; level < ARRAY_SIZE(initcall_levels) - 1; level++) { - pr_info("initlevel:%d=%s, %d registered initcalls\n", - level, initcall_level_names[level], - (int) (initcall_levels[level+1] - - initcall_levels[level])); + for (level = 0; level < ARRAY_SIZE(initcall_levels) - 1; level++) do_initcall_level(level); - } } /* diff --git a/ipc/shm.c b/ipc/shm.c index 5e2cbfdab6fc..41c1285d697a 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -393,6 +393,16 @@ static int shm_fsync(struct file *file, loff_t start, loff_t end, int datasync) return sfd->file->f_op->fsync(sfd->file, start, end, datasync); } +static long shm_fallocate(struct file *file, int mode, loff_t offset, + loff_t len) +{ + struct shm_file_data *sfd = shm_file_data(file); + + if (!sfd->file->f_op->fallocate) + return -EOPNOTSUPP; + return sfd->file->f_op->fallocate(file, mode, offset, len); +} + static unsigned long shm_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) @@ -410,6 +420,7 @@ static const struct file_operations shm_file_operations = { .get_unmapped_area = shm_get_unmapped_area, #endif .llseek = noop_llseek, + .fallocate = shm_fallocate, }; static const struct file_operations shm_file_operations_huge = { @@ -418,6 +429,7 @@ static const struct file_operations shm_file_operations_huge = { .release = shm_release, .get_unmapped_area = shm_get_unmapped_area, .llseek = noop_llseek, + .fallocate = shm_fallocate, }; int is_file_shm_hugepages(struct file *file) diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 0f3527d6184a..72fcd3069a90 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -896,10 +896,13 @@ static void cgroup_diput(struct dentry *dentry, struct inode *inode) mutex_unlock(&cgroup_mutex); /* - * Drop the active superblock reference that we took when we - * created the cgroup + * We want to drop the active superblock reference from the + * cgroup creation after all the dentry refs are gone - + * kill_sb gets mighty unhappy otherwise. Mark + * dentry->d_fsdata with cgroup_diput() to tell + * cgroup_d_release() to call deactivate_super(). */ - deactivate_super(cgrp->root->sb); + dentry->d_fsdata = cgroup_diput; /* * if we're getting rid of the cgroup, refcount should ensure @@ -925,6 +928,13 @@ static int cgroup_delete(const struct dentry *d) return 1; } +static void cgroup_d_release(struct dentry *dentry) +{ + /* did cgroup_diput() tell me to deactivate super? */ + if (dentry->d_fsdata == cgroup_diput) + deactivate_super(dentry->d_sb); +} + static void remove_dir(struct dentry *d) { struct dentry *parent = dget(d->d_parent); @@ -1532,6 +1542,7 @@ static int cgroup_get_rootdir(struct super_block *sb) static const struct dentry_operations cgroup_dops = { .d_iput = cgroup_diput, .d_delete = cgroup_delete, + .d_release = cgroup_d_release, }; struct inode *inode = diff --git a/kernel/events/core.c b/kernel/events/core.c index 5b06cbbf6931..f85c0154b333 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3181,7 +3181,6 @@ static void perf_event_for_each(struct perf_event *event, event = event->group_leader; perf_event_for_each_child(event, func); - func(event); list_for_each_entry(sibling, &event->sibling_list, group_entry) perf_event_for_each_child(sibling, func); mutex_unlock(&ctx->mutex); diff --git a/kernel/sys.c b/kernel/sys.c index 9ff89cb9657a..f0ec44dcd415 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1786,27 +1786,13 @@ SYSCALL_DEFINE1(umask, int, mask) } #ifdef CONFIG_CHECKPOINT_RESTORE -static bool vma_flags_mismatch(struct vm_area_struct *vma, - unsigned long required, - unsigned long banned) -{ - return (vma->vm_flags & required) != required || - (vma->vm_flags & banned); -} - static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd) { + struct vm_area_struct *vma; struct file *exe_file; struct dentry *dentry; int err; - /* - * Setting new mm::exe_file is only allowed when no VM_EXECUTABLE vma's - * remain. So perform a quick test first. - */ - if (mm->num_exe_file_vmas) - return -EBUSY; - exe_file = fget(fd); if (!exe_file) return -EBADF; @@ -1827,17 +1813,30 @@ static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd) if (err) goto exit; + down_write(&mm->mmap_sem); + + /* + * Forbid mm->exe_file change if there are mapped other files. + */ + err = -EBUSY; + for (vma = mm->mmap; vma; vma = vma->vm_next) { + if (vma->vm_file && !path_equal(&vma->vm_file->f_path, + &exe_file->f_path)) + goto exit_unlock; + } + /* * The symlink can be changed only once, just to disallow arbitrary * transitions malicious software might bring in. This means one * could make a snapshot over all processes running and monitor * /proc/pid/exe changes to notice unusual activity if needed. */ - down_write(&mm->mmap_sem); - if (likely(!mm->exe_file)) - set_mm_exe_file(mm, exe_file); - else - err = -EBUSY; + err = -EPERM; + if (test_and_set_bit(MMF_EXE_FILE_CHANGED, &mm->flags)) + goto exit_unlock; + + set_mm_exe_file(mm, exe_file); +exit_unlock: up_write(&mm->mmap_sem); exit: @@ -1862,7 +1861,7 @@ static int prctl_set_mm(int opt, unsigned long addr, if (opt == PR_SET_MM_EXE_FILE) return prctl_set_mm_exe_file(mm, (unsigned int)addr); - if (addr >= TASK_SIZE) + if (addr >= TASK_SIZE || addr < mmap_min_addr) return -EINVAL; error = -EINVAL; @@ -1924,12 +1923,6 @@ static int prctl_set_mm(int opt, unsigned long addr, error = -EFAULT; goto out; } -#ifdef CONFIG_STACK_GROWSUP - if (vma_flags_mismatch(vma, VM_READ | VM_WRITE | VM_GROWSUP, 0)) -#else - if (vma_flags_mismatch(vma, VM_READ | VM_WRITE | VM_GROWSDOWN, 0)) -#endif - goto out; if (opt == PR_SET_MM_START_STACK) mm->start_stack = addr; else if (opt == PR_SET_MM_ARG_START) @@ -1981,12 +1974,22 @@ out: up_read(&mm->mmap_sem); return error; } + +static int prctl_get_tid_address(struct task_struct *me, int __user **tid_addr) +{ + return put_user(me->clear_child_tid, tid_addr); +} + #else /* CONFIG_CHECKPOINT_RESTORE */ static int prctl_set_mm(int opt, unsigned long addr, unsigned long arg4, unsigned long arg5) { return -EINVAL; } +static int prctl_get_tid_address(struct task_struct *me, int __user **tid_addr) +{ + return -EINVAL; +} #endif SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3, @@ -2124,6 +2127,9 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3, else return -EINVAL; break; + case PR_GET_TID_ADDRESS: + error = prctl_get_tid_address(me, (int __user **)arg2); + break; default: return -EINVAL; } diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 6e46cacf5969..6f46a00a1e8a 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -962,6 +962,7 @@ static cycle_t logarithmic_accumulation(cycle_t offset, int shift) timekeeper.xtime.tv_sec++; leap = second_overflow(timekeeper.xtime.tv_sec); timekeeper.xtime.tv_sec += leap; + timekeeper.wall_to_monotonic.tv_sec -= leap; } /* Accumulate raw time */ @@ -1077,6 +1078,7 @@ static void update_wall_time(void) timekeeper.xtime.tv_sec++; leap = second_overflow(timekeeper.xtime.tv_sec); timekeeper.xtime.tv_sec += leap; + timekeeper.wall_to_monotonic.tv_sec -= leap; } timekeeping_update(false); diff --git a/lib/btree.c b/lib/btree.c index e5ec1e9c1aa5..f9a484676cb6 100644 --- a/lib/btree.c +++ b/lib/btree.c @@ -319,8 +319,8 @@ void *btree_get_prev(struct btree_head *head, struct btree_geo *geo, if (head->height == 0) return NULL; -retry: longcpy(key, __key, geo->keylen); +retry: dec_key(geo, key); node = head->node; @@ -351,7 +351,7 @@ retry: } miss: if (retry_key) { - __key = retry_key; + longcpy(key, retry_key, geo->keylen); retry_key = NULL; goto retry; } @@ -509,6 +509,7 @@ retry: int btree_insert(struct btree_head *head, struct btree_geo *geo, unsigned long *key, void *val, gfp_t gfp) { + BUG_ON(!val); return btree_insert_level(head, geo, key, val, 1, gfp); } EXPORT_SYMBOL_GPL(btree_insert); diff --git a/lib/radix-tree.c b/lib/radix-tree.c index d7c878cc006c..e7964296fd50 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -686,6 +686,9 @@ void **radix_tree_next_chunk(struct radix_tree_root *root, * during iterating; it can be zero only at the beginning. * And we cannot overflow iter->next_index in a single step, * because RADIX_TREE_MAP_SHIFT < BITS_PER_LONG. + * + * This condition also used by radix_tree_next_slot() to stop + * contiguous iterating, and forbid swithing to the next chunk. */ index = iter->next_index; if (!index && iter->index) diff --git a/lib/raid6/recov.c b/lib/raid6/recov.c index 1805a5cc5daa..a95bccb8497d 100644 --- a/lib/raid6/recov.c +++ b/lib/raid6/recov.c @@ -22,8 +22,8 @@ #include <linux/raid/pq.h> /* Recover two failed data blocks. */ -void raid6_2data_recov_intx1(int disks, size_t bytes, int faila, int failb, - void **ptrs) +static void raid6_2data_recov_intx1(int disks, size_t bytes, int faila, + int failb, void **ptrs) { u8 *p, *q, *dp, *dq; u8 px, qx, db; @@ -66,7 +66,8 @@ void raid6_2data_recov_intx1(int disks, size_t bytes, int faila, int failb, } /* Recover failure of one data block plus the P block */ -void raid6_datap_recov_intx1(int disks, size_t bytes, int faila, void **ptrs) +static void raid6_datap_recov_intx1(int disks, size_t bytes, int faila, + void **ptrs) { u8 *p, *q, *dq; const u8 *qmul; /* Q multiplier table */ diff --git a/lib/raid6/recov_ssse3.c b/lib/raid6/recov_ssse3.c index 37ae61930559..ecb710c0b4d9 100644 --- a/lib/raid6/recov_ssse3.c +++ b/lib/raid6/recov_ssse3.c @@ -19,8 +19,8 @@ static int raid6_has_ssse3(void) boot_cpu_has(X86_FEATURE_SSSE3); } -void raid6_2data_recov_ssse3(int disks, size_t bytes, int faila, int failb, - void **ptrs) +static void raid6_2data_recov_ssse3(int disks, size_t bytes, int faila, + int failb, void **ptrs) { u8 *p, *q, *dp, *dq; const u8 *pbmul; /* P multiplier table for B data */ @@ -194,7 +194,8 @@ void raid6_2data_recov_ssse3(int disks, size_t bytes, int faila, int failb, } -void raid6_datap_recov_ssse3(int disks, size_t bytes, int faila, void **ptrs) +static void raid6_datap_recov_ssse3(int disks, size_t bytes, int faila, + void **ptrs) { u8 *p, *q, *dq; const u8 *qmul; /* Q multiplier table */ diff --git a/mm/shmem.c b/mm/shmem.c index 585bd220a21e..a15a466d0d1d 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -683,10 +683,21 @@ static int shmem_unuse_inode(struct shmem_inode_info *info, mutex_lock(&shmem_swaplist_mutex); /* * We needed to drop mutex to make that restrictive page - * allocation; but the inode might already be freed by now, - * and we cannot refer to inode or mapping or info to check. - * However, we do hold page lock on the PageSwapCache page, - * so can check if that still has our reference remaining. + * allocation, but the inode might have been freed while we + * dropped it: although a racing shmem_evict_inode() cannot + * complete without emptying the radix_tree, our page lock + * on this swapcache page is not enough to prevent that - + * free_swap_and_cache() of our swap entry will only + * trylock_page(), removing swap from radix_tree whatever. + * + * We must not proceed to shmem_add_to_page_cache() if the + * inode has been freed, but of course we cannot rely on + * inode or mapping or info to check that. However, we can + * safely check if our swap entry is still in use (and here + * it can't have got reused for another page): if it's still + * in use, then the inode cannot have been freed yet, and we + * can safely proceed (if it's no longer in use, that tells + * nothing about the inode, but we don't need to unuse swap). */ if (!page_swapcount(*pagep)) error = -ENOENT; @@ -730,9 +741,9 @@ int shmem_unuse(swp_entry_t swap, struct page *page) /* * There's a faint possibility that swap page was replaced before - * caller locked it: it will come back later with the right page. + * caller locked it: caller will come back later with the right page. */ - if (unlikely(!PageSwapCache(page))) + if (unlikely(!PageSwapCache(page) || page_private(page) != swap.val)) goto out; /* @@ -995,21 +1006,15 @@ static int shmem_replace_page(struct page **pagep, gfp_t gfp, newpage = shmem_alloc_page(gfp, info, index); if (!newpage) return -ENOMEM; - VM_BUG_ON(shmem_should_replace_page(newpage, gfp)); - *pagep = newpage; page_cache_get(newpage); copy_highpage(newpage, oldpage); + flush_dcache_page(newpage); - VM_BUG_ON(!PageLocked(oldpage)); __set_page_locked(newpage); - VM_BUG_ON(!PageUptodate(oldpage)); SetPageUptodate(newpage); - VM_BUG_ON(!PageSwapBacked(oldpage)); SetPageSwapBacked(newpage); - VM_BUG_ON(!swap_index); set_page_private(newpage, swap_index); - VM_BUG_ON(!PageSwapCache(oldpage)); SetPageSwapCache(newpage); /* @@ -1019,13 +1024,24 @@ static int shmem_replace_page(struct page **pagep, gfp_t gfp, spin_lock_irq(&swap_mapping->tree_lock); error = shmem_radix_tree_replace(swap_mapping, swap_index, oldpage, newpage); - __inc_zone_page_state(newpage, NR_FILE_PAGES); - __dec_zone_page_state(oldpage, NR_FILE_PAGES); + if (!error) { + __inc_zone_page_state(newpage, NR_FILE_PAGES); + __dec_zone_page_state(oldpage, NR_FILE_PAGES); + } spin_unlock_irq(&swap_mapping->tree_lock); - BUG_ON(error); - mem_cgroup_replace_page_cache(oldpage, newpage); - lru_cache_add_anon(newpage); + if (unlikely(error)) { + /* + * Is this possible? I think not, now that our callers check + * both PageSwapCache and page_private after getting page lock; + * but be defensive. Reverse old to newpage for clear and free. + */ + oldpage = newpage; + } else { + mem_cgroup_replace_page_cache(oldpage, newpage); + lru_cache_add_anon(newpage); + *pagep = newpage; + } ClearPageSwapCache(oldpage); set_page_private(oldpage, 0); @@ -1033,7 +1049,7 @@ static int shmem_replace_page(struct page **pagep, gfp_t gfp, unlock_page(oldpage); page_cache_release(oldpage); page_cache_release(oldpage); - return 0; + return error; } /* @@ -1107,7 +1123,8 @@ repeat: /* We have to do this with page locked to prevent races */ lock_page(page); - if (!PageSwapCache(page) || page->mapping) { + if (!PageSwapCache(page) || page_private(page) != swap.val || + page->mapping) { error = -EEXIST; /* try again */ goto failed; } diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 5476bc0a1eac..b4b572e8c100 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -1,4 +1,6 @@ tools/perf +tools/scripts +tools/lib/traceevent include/linux/const.h include/linux/perf_event.h include/linux/rbtree.h diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 8c767c6bca91..25249f76329d 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -152,7 +152,7 @@ static int perf_evsel__add_hist_entry(struct perf_evsel *evsel, if (symbol_conf.use_callchain) { err = callchain_append(he->callchain, - &evsel->hists.callchain_cursor, + &callchain_cursor, sample->period); if (err) return err; @@ -162,7 +162,7 @@ static int perf_evsel__add_hist_entry(struct perf_evsel *evsel, * so we don't allocated the extra space needed because the stdio * code will not use it. */ - if (al->sym != NULL && use_browser > 0) { + if (he->ms.sym != NULL && use_browser > 0) { struct annotation *notes = symbol__annotation(he->ms.sym); assert(evsel != NULL); diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 62ae30d34fa6..262589991ea4 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1129,7 +1129,7 @@ static int add_default_attributes(void) return 0; if (!evsel_list->nr_entries) { - if (perf_evlist__add_attrs_array(evsel_list, default_attrs) < 0) + if (perf_evlist__add_default_attrs(evsel_list, default_attrs) < 0) return -1; } @@ -1139,21 +1139,21 @@ static int add_default_attributes(void) return 0; /* Append detailed run extra attributes: */ - if (perf_evlist__add_attrs_array(evsel_list, detailed_attrs) < 0) + if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) return -1; if (detailed_run < 2) return 0; /* Append very detailed run extra attributes: */ - if (perf_evlist__add_attrs_array(evsel_list, very_detailed_attrs) < 0) + if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) return -1; if (detailed_run < 3) return 0; /* Append very, very detailed run extra attributes: */ - return perf_evlist__add_attrs_array(evsel_list, very_very_detailed_attrs); + return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); } int cmd_stat(int argc, const char **argv, const char *prefix __used) diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 871b540293e1..6bb0277b7dfe 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -787,7 +787,7 @@ static void perf_event__process_sample(struct perf_tool *tool, } if (symbol_conf.use_callchain) { - err = callchain_append(he->callchain, &evsel->hists.callchain_cursor, + err = callchain_append(he->callchain, &callchain_cursor, sample->period); if (err) return; diff --git a/tools/perf/design.txt b/tools/perf/design.txt index bd0bb1b1279b..67e5d0cace85 100644 --- a/tools/perf/design.txt +++ b/tools/perf/design.txt @@ -409,14 +409,15 @@ Counters can be enabled and disabled in two ways: via ioctl and via prctl. When a counter is disabled, it doesn't count or generate events but does continue to exist and maintain its count value. -An individual counter or counter group can be enabled with +An individual counter can be enabled with - ioctl(fd, PERF_EVENT_IOC_ENABLE); + ioctl(fd, PERF_EVENT_IOC_ENABLE, 0); or disabled with - ioctl(fd, PERF_EVENT_IOC_DISABLE); + ioctl(fd, PERF_EVENT_IOC_DISABLE, 0); +For a counter group, pass PERF_IOC_FLAG_GROUP as the third argument. Enabling or disabling the leader of a group enables or disables the whole group; that is, while the group leader is disabled, none of the counters in the group will count. Enabling or disabling a member of a diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 4deea6aaf927..34b1c46eaf42 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -668,7 +668,7 @@ static int annotate_browser__run(struct annotate_browser *browser, int evidx, "q/ESC/CTRL+C Exit\n\n" "-> Go to target\n" "<- Exit\n" - "h Cycle thru hottest instructions\n" + "H Cycle thru hottest instructions\n" "j Toggle showing jump to target arrows\n" "J Toggle showing number of jump sources on targets\n" "n Search next string\n" diff --git a/tools/perf/util/PERF-VERSION-GEN b/tools/perf/util/PERF-VERSION-GEN index ad73300f7bac..95264f304179 100755 --- a/tools/perf/util/PERF-VERSION-GEN +++ b/tools/perf/util/PERF-VERSION-GEN @@ -12,7 +12,7 @@ LF=' # First check if there is a .git to get the version from git describe # otherwise try to get the version from the kernel makefile if test -d ../../.git -o -f ../../.git && - VN=$(git describe --abbrev=4 HEAD 2>/dev/null) && + VN=$(git describe --match 'v[0-9].[0-9]*' --abbrev=4 HEAD 2>/dev/null) && case "$VN" in *$LF*) (exit 1) ;; v[0-9]*) diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c index 9f7106a8d9a4..3a6bff47614f 100644 --- a/tools/perf/util/callchain.c +++ b/tools/perf/util/callchain.c @@ -18,6 +18,8 @@ #include "util.h" #include "callchain.h" +__thread struct callchain_cursor callchain_cursor; + bool ip_callchain__valid(struct ip_callchain *chain, const union perf_event *event) { diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h index 7f9c0f1ae3a9..3bdb407f9cd9 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -76,6 +76,8 @@ struct callchain_cursor { struct callchain_cursor_node *curr; }; +extern __thread struct callchain_cursor callchain_cursor; + static inline void callchain_init(struct callchain_root *root) { INIT_LIST_HEAD(&root->node.siblings); diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 4ac5f5ae4ce9..7400fb3fc50c 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -159,6 +159,17 @@ out_delete_partial_list: return -1; } +int __perf_evlist__add_default_attrs(struct perf_evlist *evlist, + struct perf_event_attr *attrs, size_t nr_attrs) +{ + size_t i; + + for (i = 0; i < nr_attrs; i++) + event_attr_init(attrs + i); + + return perf_evlist__add_attrs(evlist, attrs, nr_attrs); +} + static int trace_event__id(const char *evname) { char *filename, *colon; @@ -263,7 +274,8 @@ void perf_evlist__disable(struct perf_evlist *evlist) for (cpu = 0; cpu < evlist->cpus->nr; cpu++) { list_for_each_entry(pos, &evlist->entries, node) { for (thread = 0; thread < evlist->threads->nr; thread++) - ioctl(FD(pos, cpu, thread), PERF_EVENT_IOC_DISABLE); + ioctl(FD(pos, cpu, thread), + PERF_EVENT_IOC_DISABLE, 0); } } } @@ -276,7 +288,8 @@ void perf_evlist__enable(struct perf_evlist *evlist) for (cpu = 0; cpu < evlist->cpus->nr; cpu++) { list_for_each_entry(pos, &evlist->entries, node) { for (thread = 0; thread < evlist->threads->nr; thread++) - ioctl(FD(pos, cpu, thread), PERF_EVENT_IOC_ENABLE); + ioctl(FD(pos, cpu, thread), + PERF_EVENT_IOC_ENABLE, 0); } } } diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 58abb63ac13a..989bee9624c2 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -54,6 +54,8 @@ void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry); int perf_evlist__add_default(struct perf_evlist *evlist); int perf_evlist__add_attrs(struct perf_evlist *evlist, struct perf_event_attr *attrs, size_t nr_attrs); +int __perf_evlist__add_default_attrs(struct perf_evlist *evlist, + struct perf_event_attr *attrs, size_t nr_attrs); int perf_evlist__add_tracepoints(struct perf_evlist *evlist, const char *tracepoints[], size_t nr_tracepoints); int perf_evlist__set_tracepoints_handlers(struct perf_evlist *evlist, @@ -62,6 +64,8 @@ int perf_evlist__set_tracepoints_handlers(struct perf_evlist *evlist, #define perf_evlist__add_attrs_array(evlist, array) \ perf_evlist__add_attrs(evlist, array, ARRAY_SIZE(array)) +#define perf_evlist__add_default_attrs(evlist, array) \ + __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array)) #define perf_evlist__add_tracepoints_array(evlist, array) \ perf_evlist__add_tracepoints(evlist, array, ARRAY_SIZE(array)) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 91d19138f3ec..9f6cebd798ee 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -494,16 +494,24 @@ int perf_evsel__open_per_thread(struct perf_evsel *evsel, } static int perf_event__parse_id_sample(const union perf_event *event, u64 type, - struct perf_sample *sample) + struct perf_sample *sample, + bool swapped) { const u64 *array = event->sample.array; + union u64_swap u; array += ((event->header.size - sizeof(event->header)) / sizeof(u64)) - 1; if (type & PERF_SAMPLE_CPU) { - u32 *p = (u32 *)array; - sample->cpu = *p; + u.val64 = *array; + if (swapped) { + /* undo swap of u64, then swap on individual u32s */ + u.val64 = bswap_64(u.val64); + u.val32[0] = bswap_32(u.val32[0]); + } + + sample->cpu = u.val32[0]; array--; } @@ -523,9 +531,16 @@ static int perf_event__parse_id_sample(const union perf_event *event, u64 type, } if (type & PERF_SAMPLE_TID) { - u32 *p = (u32 *)array; - sample->pid = p[0]; - sample->tid = p[1]; + u.val64 = *array; + if (swapped) { + /* undo swap of u64, then swap on individual u32s */ + u.val64 = bswap_64(u.val64); + u.val32[0] = bswap_32(u.val32[0]); + u.val32[1] = bswap_32(u.val32[1]); + } + + sample->pid = u.val32[0]; + sample->tid = u.val32[1]; } return 0; @@ -562,7 +577,7 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, if (event->header.type != PERF_RECORD_SAMPLE) { if (!sample_id_all) return 0; - return perf_event__parse_id_sample(event, type, data); + return perf_event__parse_id_sample(event, type, data, swapped); } array = event->sample.array; diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 1293b5ebea4d..514e2a4b367d 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -378,7 +378,7 @@ void hist_entry__free(struct hist_entry *he) * collapse the histogram */ -static bool hists__collapse_insert_entry(struct hists *hists, +static bool hists__collapse_insert_entry(struct hists *hists __used, struct rb_root *root, struct hist_entry *he) { @@ -397,8 +397,9 @@ static bool hists__collapse_insert_entry(struct hists *hists, iter->period += he->period; iter->nr_events += he->nr_events; if (symbol_conf.use_callchain) { - callchain_cursor_reset(&hists->callchain_cursor); - callchain_merge(&hists->callchain_cursor, iter->callchain, + callchain_cursor_reset(&callchain_cursor); + callchain_merge(&callchain_cursor, + iter->callchain, he->callchain); } hist_entry__free(he); diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index cfc64e293f90..34bb556d6219 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -67,8 +67,6 @@ struct hists { struct events_stats stats; u64 event_stream; u16 col_len[HISTC_NR_COLS]; - /* Best would be to reuse the session callchain cursor */ - struct callchain_cursor callchain_cursor; }; struct hist_entry *__hists__add_entry(struct hists *self, diff --git a/tools/perf/util/pager.c b/tools/perf/util/pager.c index 1915de20dcac..3322b8446e89 100644 --- a/tools/perf/util/pager.c +++ b/tools/perf/util/pager.c @@ -57,6 +57,10 @@ void setup_pager(void) } if (!pager) pager = getenv("PAGER"); + if (!pager) { + if (!access("/usr/bin/pager", X_OK)) + pager = "/usr/bin/pager"; + } if (!pager) pager = "less"; else if (!*pager || !strcmp(pager, "cat")) diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 59dccc98b554..0dda25d82d06 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -2164,16 +2164,12 @@ int del_perf_probe_events(struct strlist *dellist) error: if (kfd >= 0) { - if (namelist) - strlist__delete(namelist); - + strlist__delete(namelist); close(kfd); } if (ufd >= 0) { - if (unamelist) - strlist__delete(unamelist); - + strlist__delete(unamelist); close(ufd); } diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 93d355d27109..2600916efa83 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -288,7 +288,8 @@ struct branch_info *machine__resolve_bstack(struct machine *self, return bi; } -int machine__resolve_callchain(struct machine *self, struct perf_evsel *evsel, +int machine__resolve_callchain(struct machine *self, + struct perf_evsel *evsel __used, struct thread *thread, struct ip_callchain *chain, struct symbol **parent) @@ -297,7 +298,12 @@ int machine__resolve_callchain(struct machine *self, struct perf_evsel *evsel, unsigned int i; int err; - callchain_cursor_reset(&evsel->hists.callchain_cursor); + callchain_cursor_reset(&callchain_cursor); + + if (chain->nr > PERF_MAX_STACK_DEPTH) { + pr_warning("corrupted callchain. skipping...\n"); + return 0; + } for (i = 0; i < chain->nr; i++) { u64 ip; @@ -317,7 +323,14 @@ int machine__resolve_callchain(struct machine *self, struct perf_evsel *evsel, case PERF_CONTEXT_USER: cpumode = PERF_RECORD_MISC_USER; break; default: - break; + pr_debug("invalid callchain context: " + "%"PRId64"\n", (s64) ip); + /* + * It seems the callchain is corrupted. + * Discard all. + */ + callchain_cursor_reset(&callchain_cursor); + return 0; } continue; } @@ -333,7 +346,7 @@ int machine__resolve_callchain(struct machine *self, struct perf_evsel *evsel, break; } - err = callchain_cursor_append(&evsel->hists.callchain_cursor, + err = callchain_cursor_append(&callchain_cursor, ip, al.map, al.sym); if (err) return err; @@ -441,37 +454,65 @@ void mem_bswap_64(void *src, int byte_size) } } -static void perf_event__all64_swap(union perf_event *event) +static void swap_sample_id_all(union perf_event *event, void *data) +{ + void *end = (void *) event + event->header.size; + int size = end - data; + + BUG_ON(size % sizeof(u64)); + mem_bswap_64(data, size); +} + +static void perf_event__all64_swap(union perf_event *event, + bool sample_id_all __used) { struct perf_event_header *hdr = &event->header; mem_bswap_64(hdr + 1, event->header.size - sizeof(*hdr)); } -static void perf_event__comm_swap(union perf_event *event) +static void perf_event__comm_swap(union perf_event *event, bool sample_id_all) { event->comm.pid = bswap_32(event->comm.pid); event->comm.tid = bswap_32(event->comm.tid); + + if (sample_id_all) { + void *data = &event->comm.comm; + + data += ALIGN(strlen(data) + 1, sizeof(u64)); + swap_sample_id_all(event, data); + } } -static void perf_event__mmap_swap(union perf_event *event) +static void perf_event__mmap_swap(union perf_event *event, + bool sample_id_all) { event->mmap.pid = bswap_32(event->mmap.pid); event->mmap.tid = bswap_32(event->mmap.tid); event->mmap.start = bswap_64(event->mmap.start); event->mmap.len = bswap_64(event->mmap.len); event->mmap.pgoff = bswap_64(event->mmap.pgoff); + + if (sample_id_all) { + void *data = &event->mmap.filename; + + data += ALIGN(strlen(data) + 1, sizeof(u64)); + swap_sample_id_all(event, data); + } } -static void perf_event__task_swap(union perf_event *event) +static void perf_event__task_swap(union perf_event *event, bool sample_id_all) { event->fork.pid = bswap_32(event->fork.pid); event->fork.tid = bswap_32(event->fork.tid); event->fork.ppid = bswap_32(event->fork.ppid); event->fork.ptid = bswap_32(event->fork.ptid); event->fork.time = bswap_64(event->fork.time); + + if (sample_id_all) + swap_sample_id_all(event, &event->fork + 1); } -static void perf_event__read_swap(union perf_event *event) +static void perf_event__read_swap(union perf_event *event, bool sample_id_all) { event->read.pid = bswap_32(event->read.pid); event->read.tid = bswap_32(event->read.tid); @@ -479,6 +520,9 @@ static void perf_event__read_swap(union perf_event *event) event->read.time_enabled = bswap_64(event->read.time_enabled); event->read.time_running = bswap_64(event->read.time_running); event->read.id = bswap_64(event->read.id); + + if (sample_id_all) + swap_sample_id_all(event, &event->read + 1); } static u8 revbyte(u8 b) @@ -530,7 +574,8 @@ void perf_event__attr_swap(struct perf_event_attr *attr) swap_bitfield((u8 *) (&attr->read_format + 1), sizeof(u64)); } -static void perf_event__hdr_attr_swap(union perf_event *event) +static void perf_event__hdr_attr_swap(union perf_event *event, + bool sample_id_all __used) { size_t size; @@ -541,18 +586,21 @@ static void perf_event__hdr_attr_swap(union perf_event *event) mem_bswap_64(event->attr.id, size); } -static void perf_event__event_type_swap(union perf_event *event) +static void perf_event__event_type_swap(union perf_event *event, + bool sample_id_all __used) { event->event_type.event_type.event_id = bswap_64(event->event_type.event_type.event_id); } -static void perf_event__tracing_data_swap(union perf_event *event) +static void perf_event__tracing_data_swap(union perf_event *event, + bool sample_id_all __used) { event->tracing_data.size = bswap_32(event->tracing_data.size); } -typedef void (*perf_event__swap_op)(union perf_event *event); +typedef void (*perf_event__swap_op)(union perf_event *event, + bool sample_id_all); static perf_event__swap_op perf_event__swap_ops[] = { [PERF_RECORD_MMAP] = perf_event__mmap_swap, @@ -986,6 +1034,15 @@ static int perf_session__process_user_event(struct perf_session *session, union } } +static void event_swap(union perf_event *event, bool sample_id_all) +{ + perf_event__swap_op swap; + + swap = perf_event__swap_ops[event->header.type]; + if (swap) + swap(event, sample_id_all); +} + static int perf_session__process_event(struct perf_session *session, union perf_event *event, struct perf_tool *tool, @@ -994,9 +1051,8 @@ static int perf_session__process_event(struct perf_session *session, struct perf_sample sample; int ret; - if (session->header.needs_swap && - perf_event__swap_ops[event->header.type]) - perf_event__swap_ops[event->header.type](event); + if (session->header.needs_swap) + event_swap(event, session->sample_id_all); if (event->header.type >= PERF_RECORD_HEADER_MAX) return -EINVAL; @@ -1428,7 +1484,6 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, int print_sym, int print_dso, int print_symoffset) { struct addr_location al; - struct callchain_cursor *cursor = &evsel->hists.callchain_cursor; struct callchain_cursor_node *node; if (perf_event__preprocess_sample(event, machine, &al, sample, @@ -1446,10 +1501,10 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, error("Failed to resolve callchain. Skipping\n"); return; } - callchain_cursor_commit(cursor); + callchain_cursor_commit(&callchain_cursor); while (1) { - node = callchain_cursor_current(cursor); + node = callchain_cursor_current(&callchain_cursor); if (!node) break; @@ -1460,12 +1515,12 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, } if (print_dso) { printf(" ("); - map__fprintf_dsoname(al.map, stdout); + map__fprintf_dsoname(node->map, stdout); printf(")"); } printf("\n"); - callchain_cursor_advance(cursor); + callchain_cursor_advance(&callchain_cursor); } } else { diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index e2ba8858f3e1..3e2e5ea0f03f 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -323,6 +323,7 @@ struct dso *dso__new(const char *name) dso->sorted_by_name = 0; dso->has_build_id = 0; dso->kernel = DSO_TYPE_USER; + dso->needs_swap = DSO_SWAP__UNSET; INIT_LIST_HEAD(&dso->node); } @@ -1156,6 +1157,33 @@ static size_t elf_addr_to_index(Elf *elf, GElf_Addr addr) return -1; } +static int dso__swap_init(struct dso *dso, unsigned char eidata) +{ + static unsigned int const endian = 1; + + dso->needs_swap = DSO_SWAP__NO; + + switch (eidata) { + case ELFDATA2LSB: + /* We are big endian, DSO is little endian. */ + if (*(unsigned char const *)&endian != 1) + dso->needs_swap = DSO_SWAP__YES; + break; + + case ELFDATA2MSB: + /* We are little endian, DSO is big endian. */ + if (*(unsigned char const *)&endian != 0) + dso->needs_swap = DSO_SWAP__YES; + break; + + default: + pr_err("unrecognized DSO data encoding %d\n", eidata); + return -EINVAL; + } + + return 0; +} + static int dso__load_sym(struct dso *dso, struct map *map, const char *name, int fd, symbol_filter_t filter, int kmodule, int want_symtab) @@ -1187,6 +1215,9 @@ static int dso__load_sym(struct dso *dso, struct map *map, const char *name, goto out_elf_end; } + if (dso__swap_init(dso, ehdr.e_ident[EI_DATA])) + goto out_elf_end; + /* Always reject images with a mismatched build-id: */ if (dso->has_build_id) { u8 build_id[BUILD_ID_SIZE]; @@ -1272,7 +1303,7 @@ static int dso__load_sym(struct dso *dso, struct map *map, const char *name, if (opdsec && sym.st_shndx == opdidx) { u32 offset = sym.st_value - opdshdr.sh_addr; u64 *opd = opddata->d_buf + offset; - sym.st_value = *opd; + sym.st_value = DSO__SWAP(dso, u64, *opd); sym.st_shndx = elf_addr_to_index(elf, sym.st_value); } @@ -2786,8 +2817,11 @@ int machine__load_vmlinux_path(struct machine *machine, enum map_type type, struct map *dso__new_map(const char *name) { + struct map *map = NULL; struct dso *dso = dso__new(name); - struct map *map = map__new2(0, dso, MAP__FUNCTION); + + if (dso) + map = map__new2(0, dso, MAP__FUNCTION); return map; } diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 5649d63798cb..af0752b1aca1 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -9,6 +9,7 @@ #include <linux/list.h> #include <linux/rbtree.h> #include <stdio.h> +#include <byteswap.h> #ifdef HAVE_CPLUS_DEMANGLE extern char *cplus_demangle(const char *, int); @@ -160,11 +161,18 @@ enum dso_kernel_type { DSO_TYPE_GUEST_KERNEL }; +enum dso_swap_type { + DSO_SWAP__UNSET, + DSO_SWAP__NO, + DSO_SWAP__YES, +}; + struct dso { struct list_head node; struct rb_root symbols[MAP__NR_TYPES]; struct rb_root symbol_names[MAP__NR_TYPES]; enum dso_kernel_type kernel; + enum dso_swap_type needs_swap; u8 adjust_symbols:1; u8 has_build_id:1; u8 hit:1; @@ -182,6 +190,28 @@ struct dso { char name[0]; }; +#define DSO__SWAP(dso, type, val) \ +({ \ + type ____r = val; \ + BUG_ON(dso->needs_swap == DSO_SWAP__UNSET); \ + if (dso->needs_swap == DSO_SWAP__YES) { \ + switch (sizeof(____r)) { \ + case 2: \ + ____r = bswap_16(val); \ + break; \ + case 4: \ + ____r = bswap_32(val); \ + break; \ + case 8: \ + ____r = bswap_64(val); \ + break; \ + default: \ + BUG_ON(1); \ + } \ + } \ + ____r; \ +}) + struct dso *dso__new(const char *name); void dso__delete(struct dso *dso); diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index ab2f682fd44c..16de7ad4850f 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -73,8 +73,8 @@ int backwards_count; char *progname; int num_cpus; -cpu_set_t *cpu_mask; -size_t cpu_mask_size; +cpu_set_t *cpu_present_set, *cpu_mask; +size_t cpu_present_setsize, cpu_mask_size; struct counters { unsigned long long tsc; /* per thread */ @@ -103,6 +103,12 @@ struct timeval tv_even; struct timeval tv_odd; struct timeval tv_delta; +int mark_cpu_present(int pkg, int core, int cpu) +{ + CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); + return 0; +} + /* * cpu_mask_init(ncpus) * @@ -118,6 +124,18 @@ void cpu_mask_init(int ncpus) } cpu_mask_size = CPU_ALLOC_SIZE(ncpus); CPU_ZERO_S(cpu_mask_size, cpu_mask); + + /* + * Allocate and initialize cpu_present_set + */ + cpu_present_set = CPU_ALLOC(ncpus); + if (cpu_present_set == NULL) { + perror("CPU_ALLOC"); + exit(3); + } + cpu_present_setsize = CPU_ALLOC_SIZE(ncpus); + CPU_ZERO_S(cpu_present_setsize, cpu_present_set); + for_all_cpus(mark_cpu_present); } void cpu_mask_uninit() @@ -125,6 +143,9 @@ void cpu_mask_uninit() CPU_FREE(cpu_mask); cpu_mask = NULL; cpu_mask_size = 0; + CPU_FREE(cpu_present_set); + cpu_present_set = NULL; + cpu_present_setsize = 0; } int cpu_migrate(int cpu) @@ -912,6 +933,8 @@ int is_snb(unsigned int family, unsigned int model) switch (model) { case 0x2A: case 0x2D: + case 0x3A: /* IVB */ + case 0x3D: /* IVB Xeon */ return 1; } return 0; @@ -1047,6 +1070,9 @@ int fork_it(char **argv) int retval; pid_t child_pid; get_counters(cnt_even); + + /* clear affinity side-effect of get_counters() */ + sched_setaffinity(0, cpu_present_setsize, cpu_present_set); gettimeofday(&tv_even, (struct timezone *)NULL); child_pid = fork(); diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c index a6a0365475ed..5afb43114020 100644 --- a/virt/kvm/irq_comm.c +++ b/virt/kvm/irq_comm.c @@ -332,6 +332,7 @@ static int setup_routing_entry(struct kvm_irq_routing_table *rt, */ hlist_for_each_entry(ei, n, &rt->map[ue->gsi], link) if (ei->type == KVM_IRQ_ROUTING_MSI || + ue->type == KVM_IRQ_ROUTING_MSI || ue->u.irqchip.irqchip == ei->irqchip.irqchip) return r; |