diff options
Diffstat (limited to 'arch/x86_64/kernel')
| -rw-r--r-- | arch/x86_64/kernel/e820.c | 2 | ||||
| -rw-r--r-- | arch/x86_64/kernel/entry.S | 7 | ||||
| -rw-r--r-- | arch/x86_64/kernel/io_apic.c | 30 | ||||
| -rw-r--r-- | arch/x86_64/kernel/pci-dma.c | 4 | ||||
| -rw-r--r-- | arch/x86_64/kernel/pci-gart.c | 6 | ||||
| -rw-r--r-- | arch/x86_64/kernel/pmtimer.c | 2 | ||||
| -rw-r--r-- | arch/x86_64/kernel/setup.c | 2 |
7 files changed, 35 insertions, 18 deletions
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c index 222b5b46d2b..1ef6028f721 100644 --- a/arch/x86_64/kernel/e820.c +++ b/arch/x86_64/kernel/e820.c @@ -149,7 +149,7 @@ unsigned long __init find_e820_area(unsigned long start, unsigned long end, unsi addr = start; if (addr > ei->addr + ei->size) continue; - while (bad_addr(&addr, size) && addr+size < ei->addr + ei->size) + while (bad_addr(&addr, size) && addr+size <= ei->addr+ei->size) ; last = addr + size; if (last > ei->addr + ei->size) diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index c946e4fe67a..586b34c00c4 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S @@ -281,12 +281,7 @@ tracesys: ja 1f movq %r10,%rcx /* fixup for C */ call *sys_call_table(,%rax,8) - movq %rax,RAX-ARGOFFSET(%rsp) -1: SAVE_REST - movq %rsp,%rdi - call syscall_trace_leave - RESTORE_TOP_OF_STACK %rbx - RESTORE_REST +1: movq %rax,RAX-ARGOFFSET(%rsp) /* Use IRET because user could have changed frame */ jmp int_ret_from_sys_call CFI_ENDPROC diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 0de3ea93883..9cc7031b715 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -271,6 +271,18 @@ __setup("enable_8254_timer", setup_enable_8254_timer); #include <linux/pci_ids.h> #include <linux/pci.h> + +#ifdef CONFIG_ACPI + +static int nvidia_hpet_detected __initdata; + +static int __init nvidia_hpet_check(unsigned long phys, unsigned long size) +{ + nvidia_hpet_detected = 1; + return 0; +} +#endif + /* Temporary Hack. Nvidia and VIA boards currently only work with IO-APIC off. Check for an Nvidia or VIA PCI bridge and turn it off. Use pci direct infrastructure because this runs before the PCI subsystem. @@ -317,11 +329,19 @@ void __init check_ioapic(void) return; case PCI_VENDOR_ID_NVIDIA: #ifdef CONFIG_ACPI - /* All timer overrides on Nvidia - seem to be wrong. Skip them. */ - acpi_skip_timer_override = 1; - printk(KERN_INFO - "Nvidia board detected. Ignoring ACPI timer override.\n"); + /* + * All timer overrides on Nvidia are + * wrong unless HPET is enabled. + */ + nvidia_hpet_detected = 0; + acpi_table_parse(ACPI_HPET, + nvidia_hpet_check); + if (nvidia_hpet_detected == 0) { + acpi_skip_timer_override = 1; + printk(KERN_INFO "Nvidia board " + "detected. Ignoring ACPI " + "timer override.\n"); + } #endif /* RED-PEN skip them on mptables too? */ return; diff --git a/arch/x86_64/kernel/pci-dma.c b/arch/x86_64/kernel/pci-dma.c index af035ede70c..a9275c9557c 100644 --- a/arch/x86_64/kernel/pci-dma.c +++ b/arch/x86_64/kernel/pci-dma.c @@ -54,6 +54,10 @@ dma_alloc_pages(struct device *dev, gfp_t gfp, unsigned order) else #endif node = numa_node_id(); + + if (node < first_node(node_online_map)) + node = first_node(node_online_map); + page = alloc_pages_node(node, gfp, order); return page ? page_address(page) : NULL; } diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c index 2480d3f08a4..82a7c9bfdfa 100644 --- a/arch/x86_64/kernel/pci-gart.c +++ b/arch/x86_64/kernel/pci-gart.c @@ -631,10 +631,8 @@ static int __init pci_iommu_init(void) printk(KERN_INFO "PCI-DMA: Disabling IOMMU.\n"); if (end_pfn > MAX_DMA32_PFN) { printk(KERN_ERR "WARNING more than 4GB of memory " - "but IOMMU not compiled in.\n" - KERN_ERR "WARNING 32bit PCI may malfunction.\n" - KERN_ERR "You might want to enable " - "CONFIG_GART_IOMMU\n"); + "but IOMMU not available.\n" + KERN_ERR "WARNING 32bit PCI may malfunction.\n"); } return -1; } diff --git a/arch/x86_64/kernel/pmtimer.c b/arch/x86_64/kernel/pmtimer.c index b0444a415bd..bf421ed2680 100644 --- a/arch/x86_64/kernel/pmtimer.c +++ b/arch/x86_64/kernel/pmtimer.c @@ -68,7 +68,7 @@ int pmtimer_mark_offset(void) offset_delay = delta % (USEC_PER_SEC / HZ); rdtscll(tsc); - vxtime.last_tsc = tsc - offset_delay * cpu_khz; + vxtime.last_tsc = tsc - offset_delay * (u64)cpu_khz / 1000; /* don't calculate delay for first run, or if we've got less then a tick */ diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index f0870bef24d..655b9192eeb 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -1051,7 +1051,7 @@ static void srat_detect_node(void) for now. */ node = apicid_to_node[hard_smp_processor_id()]; if (node == NUMA_NO_NODE) - node = 0; + node = first_node(node_online_map); numa_set_node(cpu, node); if (acpi_numa > 0) |