diff options
| author | Justin M. Forbes <jforbes@fedoraproject.org> | 2022-01-11 14:04:16 -0600 |
|---|---|---|
| committer | Justin M. Forbes <jforbes@fedoraproject.org> | 2022-01-11 14:04:16 -0600 |
| commit | 5245d1d672fcf9c1db8572177aa44329642688e2 (patch) | |
| tree | aa51767db9735782f12da8faa65b5504f3b73ae5 /patch-5.16-redhat.patch | |
| parent | d17020a31f96c5f444c15ee905d99cd84a78b0fa (diff) | |
| download | kernel-5245d1d672fcf9c1db8572177aa44329642688e2.tar.gz kernel-5245d1d672fcf9c1db8572177aa44329642688e2.tar.xz kernel-5245d1d672fcf9c1db8572177aa44329642688e2.zip | |
kernel-5.17-0.rc0.20220111gitfe8152b38d3a.61
* Tue Jan 11 2022 Justin M. Forbes <jforbes@fedoraproject.org> [5.17-0.rc0.20220111gitfe8152b38d3a.61]
- lib/crypto: add prompts back to crypto libraries (Justin M. Forbes)
Resolves: rhbz#
Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
Diffstat (limited to 'patch-5.16-redhat.patch')
| -rw-r--r-- | patch-5.16-redhat.patch | 3179 |
1 files changed, 0 insertions, 3179 deletions
diff --git a/patch-5.16-redhat.patch b/patch-5.16-redhat.patch deleted file mode 100644 index e42c28d97..000000000 --- a/patch-5.16-redhat.patch +++ /dev/null @@ -1,3179 +0,0 @@ - Documentation/admin-guide/kernel-parameters.txt | 9 + - Kconfig | 2 + - Kconfig.redhat | 17 ++ - Makefile | 12 +- - arch/arm/Kconfig | 4 +- - arch/arm64/Kconfig | 3 +- - arch/arm64/kernel/acpi.c | 4 + - arch/s390/include/asm/ipl.h | 1 + - arch/s390/kernel/ipl.c | 5 + - arch/s390/kernel/setup.c | 4 + - arch/x86/kernel/cpu/common.c | 1 + - arch/x86/kernel/setup.c | 70 ++++- - crypto/rng.c | 73 ++++- - drivers/acpi/apei/hest.c | 8 + - drivers/acpi/irq.c | 17 +- - drivers/acpi/scan.c | 9 + - drivers/ata/libahci.c | 18 ++ - drivers/char/ipmi/ipmi_dmi.c | 15 ++ - drivers/char/ipmi/ipmi_msghandler.c | 16 +- - drivers/char/random.c | 115 ++++++++ - drivers/firmware/efi/Makefile | 1 + - drivers/firmware/efi/efi.c | 124 ++++++--- - drivers/firmware/efi/secureboot.c | 38 +++ - drivers/hid/hid-rmi.c | 64 ----- - drivers/hwtracing/coresight/coresight-etm4x-core.c | 19 ++ - drivers/input/rmi4/rmi_driver.c | 124 +++++---- - drivers/iommu/iommu.c | 22 ++ - drivers/message/fusion/mptsas.c | 10 + - drivers/message/fusion/mptspi.c | 11 + - drivers/net/ethernet/intel/e1000/e1000_main.c | 2 + - drivers/net/team/team.c | 2 + - drivers/net/wireguard/main.c | 7 + - drivers/nvme/host/core.c | 22 +- - drivers/nvme/host/multipath.c | 19 +- - drivers/nvme/host/nvme.h | 4 + - drivers/pci/pci-driver.c | 78 ++++++ - drivers/pci/quirks.c | 24 ++ - drivers/scsi/aacraid/linit.c | 2 + - drivers/scsi/be2iscsi/be_main.c | 2 + - drivers/scsi/hpsa.c | 4 + - drivers/scsi/lpfc/lpfc_ids.h | 14 + - drivers/scsi/megaraid/megaraid_sas_base.c | 4 + - drivers/scsi/mpt3sas/mpt3sas_scsih.c | 4 + - drivers/scsi/qla2xxx/qla_os.c | 6 + - drivers/scsi/qla4xxx/ql4_os.c | 2 + - drivers/usb/core/hub.c | 7 + - fs/ext4/super.c | 5 + - fs/xfs/xfs_super.c | 5 + - include/linux/efi.h | 22 +- - include/linux/kernel.h | 19 ++ - include/linux/lsm_hook_defs.h | 2 + - include/linux/lsm_hooks.h | 6 + - include/linux/module.h | 1 + - include/linux/panic.h | 19 +- - include/linux/pci.h | 16 ++ - include/linux/random.h | 7 + - include/linux/rh_kabi.h | 297 +++++++++++++++++++++ - include/linux/rmi.h | 1 + - include/linux/security.h | 5 + - init/Kconfig | 2 +- - kernel/Makefile | 1 + - kernel/bpf/syscall.c | 18 ++ - kernel/module.c | 2 + - kernel/module_signing.c | 9 +- - kernel/panic.c | 14 + - kernel/rh_messages.c | 179 +++++++++++++ - kernel/sysctl.c | 5 + - mm/cma.c | 10 + - scripts/mod/modpost.c | 8 + - scripts/tags.sh | 2 + - security/integrity/platform_certs/load_uefi.c | 6 +- - security/lockdown/Kconfig | 13 + - security/lockdown/lockdown.c | 1 + - security/security.c | 6 + - 74 files changed, 1512 insertions(+), 188 deletions(-) - -diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt -index 2fba82431efb..3166f991adfa 100644 ---- a/Documentation/admin-guide/kernel-parameters.txt -+++ b/Documentation/admin-guide/kernel-parameters.txt -@@ -5942,6 +5942,15 @@ - unknown_nmi_panic - [X86] Cause panic on unknown NMI. - -+ unprivileged_bpf_disabled= -+ Format: { "0" | "1" | "2" } -+ Sets the initial value of -+ kernel.unprivileged_bpf_disabled sysctl knob. -+ 0 - unprivileged bpf() syscall access is enabled. -+ 1 - unprivileged bpf() syscall access is disabled permanently. -+ 2 - unprivileged bpf() syscall access is disabled. -+ Default value is 2. -+ - usbcore.authorized_default= - [USB] Default USB device authorization: - (default -1 = authorized except for wireless USB, -diff --git a/Kconfig b/Kconfig -index 745bc773f567..f57ff40109d7 100644 ---- a/Kconfig -+++ b/Kconfig -@@ -30,3 +30,5 @@ source "lib/Kconfig" - source "lib/Kconfig.debug" - - source "Documentation/Kconfig" -+ -+source "Kconfig.redhat" -diff --git a/Kconfig.redhat b/Kconfig.redhat -new file mode 100644 -index 000000000000..effb81d04bfd ---- /dev/null -+++ b/Kconfig.redhat -@@ -0,0 +1,17 @@ -+# SPDX-License-Identifier: GPL-2.0-only -+# -+# Red Hat specific options -+# -+ -+menu "Red Hat options" -+ -+config RHEL_DIFFERENCES -+ bool "Remove support for deprecated features" -+ help -+ Red Hat may choose to deprecate certain features in its kernels. -+ Enable this option to remove support for hardware that is no -+ longer supported. -+ -+ Unless you want a restricted kernel, say N here. -+ -+endmenu -diff --git a/Makefile b/Makefile -index 08510230b42f..6b4160ecf0bd 100644 ---- a/Makefile -+++ b/Makefile -@@ -18,6 +18,10 @@ $(if $(filter __%, $(MAKECMDGOALS)), \ - PHONY := __all - __all: - -+# Set RHEL variables -+# Use this spot to avoid future merge conflicts -+include Makefile.rhelver -+ - # We are using a recursive build, so we need to do a little thinking - # to get the ordering right. - # -@@ -1241,7 +1245,13 @@ define filechk_version.h - ((c) > 255 ? 255 : (c)))'; \ - echo \#define LINUX_VERSION_MAJOR $(VERSION); \ - echo \#define LINUX_VERSION_PATCHLEVEL $(PATCHLEVEL); \ -- echo \#define LINUX_VERSION_SUBLEVEL $(SUBLEVEL) -+ echo \#define LINUX_VERSION_SUBLEVEL $(SUBLEVEL); \ -+ echo '#define RHEL_MAJOR $(RHEL_MAJOR)'; \ -+ echo '#define RHEL_MINOR $(RHEL_MINOR)'; \ -+ echo '#define RHEL_RELEASE_VERSION(a,b) (((a) << 8) + (b))'; \ -+ echo '#define RHEL_RELEASE_CODE \ -+ $(shell expr $(RHEL_MAJOR) \* 256 + $(RHEL_MINOR))'; \ -+ echo '#define RHEL_RELEASE "$(RHEL_RELEASE)"' - endef - - $(version_h): PATCHLEVEL := $(if $(PATCHLEVEL), $(PATCHLEVEL), 0) -diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig -index c2724d986fa0..8063dcef65f7 100644 ---- a/arch/arm/Kconfig -+++ b/arch/arm/Kconfig -@@ -1479,9 +1479,9 @@ config HIGHMEM - If unsure, say n. - - config HIGHPTE -- bool "Allocate 2nd-level pagetables from highmem" if EXPERT -+ bool "Allocate 2nd-level pagetables from highmem" - depends on HIGHMEM -- default y -+ default n - help - The VM uses one page of physical memory for each page table. - For systems with a lot of processes, this can use a lot of -diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig -index c4207cf9bb17..9e440657f15e 100644 ---- a/arch/arm64/Kconfig -+++ b/arch/arm64/Kconfig -@@ -1023,7 +1023,7 @@ endchoice - - config ARM64_FORCE_52BIT - bool "Force 52-bit virtual addresses for userspace" -- depends on ARM64_VA_BITS_52 && EXPERT -+ depends on ARM64_VA_BITS_52 - help - For systems with 52-bit userspace VAs enabled, the kernel will attempt - to maintain compatibility with older software by providing 48-bit VAs -@@ -1277,6 +1277,7 @@ config XEN - config FORCE_MAX_ZONEORDER - int - default "14" if ARM64_64K_PAGES -+ default "13" if (ARCH_THUNDER && !ARM64_64K_PAGES) - default "12" if ARM64_16K_PAGES - default "11" - help -diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c -index f3851724fe35..ef69eeab6f2a 100644 ---- a/arch/arm64/kernel/acpi.c -+++ b/arch/arm64/kernel/acpi.c -@@ -40,7 +40,11 @@ int acpi_pci_disabled = 1; /* skip ACPI PCI scan and IRQ initialization */ - EXPORT_SYMBOL(acpi_pci_disabled); - - static bool param_acpi_off __initdata; -+#ifdef CONFIG_RHEL_DIFFERENCES -+static bool param_acpi_on __initdata = true; -+#else - static bool param_acpi_on __initdata; -+#endif - static bool param_acpi_force __initdata; - - static int __init parse_acpi(char *arg) -diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h -index 3f8ee257f9aa..3ab92feb6241 100644 ---- a/arch/s390/include/asm/ipl.h -+++ b/arch/s390/include/asm/ipl.h -@@ -128,6 +128,7 @@ int ipl_report_add_component(struct ipl_report *report, struct kexec_buf *kbuf, - unsigned char flags, unsigned short cert); - int ipl_report_add_certificate(struct ipl_report *report, void *key, - unsigned long addr, unsigned long len); -+bool ipl_get_secureboot(void); - - /* - * DIAG 308 support -diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c -index 5ad1dde23dc5..b6192d58eed3 100644 ---- a/arch/s390/kernel/ipl.c -+++ b/arch/s390/kernel/ipl.c -@@ -2216,3 +2216,8 @@ int ipl_report_free(struct ipl_report *report) - } - - #endif -+ -+bool ipl_get_secureboot(void) -+{ -+ return !!ipl_secure_flag; -+} -diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c -index 225ab2d0a4c6..6a06cde25ca2 100644 ---- a/arch/s390/kernel/setup.c -+++ b/arch/s390/kernel/setup.c -@@ -49,6 +49,7 @@ - #include <linux/memory.h> - #include <linux/compat.h> - #include <linux/start_kernel.h> -+#include <linux/security.h> - #include <linux/hugetlb.h> - #include <linux/kmemleak.h> - -@@ -963,6 +964,9 @@ void __init setup_arch(char **cmdline_p) - - log_component_list(); - -+ if (ipl_get_secureboot()) -+ security_lock_kernel_down("Secure IPL mode", LOCKDOWN_INTEGRITY_MAX); -+ - /* Have one command line that is parsed and saved in /proc/cmdline */ - /* boot_command_line has been already set up in early.c */ - *cmdline_p = boot_command_line; -diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c -index 0083464de5e3..2de5f417f3f2 100644 ---- a/arch/x86/kernel/cpu/common.c -+++ b/arch/x86/kernel/cpu/common.c -@@ -1316,6 +1316,7 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c) - cpu_detect(c); - get_cpu_vendor(c); - get_cpu_cap(c); -+ get_model_name(c); /* RHEL: get model name for unsupported check */ - get_cpu_address_sizes(c); - setup_force_cpu_cap(X86_FEATURE_CPUID); - cpu_parse_early_param(); -diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c -index e04f5e6eb33f..0beeb4ebee6e 100644 ---- a/arch/x86/kernel/setup.c -+++ b/arch/x86/kernel/setup.c -@@ -20,6 +20,7 @@ - #include <linux/root_dev.h> - #include <linux/hugetlb.h> - #include <linux/tboot.h> -+#include <linux/security.h> - #include <linux/usb/xhci-dbgp.h> - #include <linux/static_call.h> - #include <linux/swiotlb.h> -@@ -50,6 +51,7 @@ - #include <asm/unwind.h> - #include <asm/vsyscall.h> - #include <linux/vmalloc.h> -+#include <asm/intel-family.h> - - /* - * max_low_pfn_mapped: highest directly mapped pfn < 4 GB -@@ -720,6 +722,51 @@ static void __init early_reserve_memory(void) - trim_snb_memory(); - } - -+#ifdef CONFIG_RHEL_DIFFERENCES -+ -+static void rh_check_supported(void) -+{ -+ bool guest; -+ -+ guest = (x86_hyper_type != X86_HYPER_NATIVE || boot_cpu_has(X86_FEATURE_HYPERVISOR)); -+ -+ /* RHEL supports single cpu on guests only */ -+ if (((boot_cpu_data.x86_max_cores * smp_num_siblings) == 1) && -+ !guest && is_kdump_kernel()) { -+ pr_crit("Detected single cpu native boot.\n"); -+ pr_crit("Important: In this kernel, single threaded, single CPU 64-bit physical systems are unsupported."); -+ } -+ -+ /* -+ * If the RHEL kernel does not support this hardware, the kernel will -+ * attempt to boot, but no support is provided for this hardware -+ */ -+ switch (boot_cpu_data.x86_vendor) { -+ case X86_VENDOR_AMD: -+ case X86_VENDOR_INTEL: -+ break; -+ default: -+ pr_crit("Detected processor %s %s\n", -+ boot_cpu_data.x86_vendor_id, -+ boot_cpu_data.x86_model_id); -+ mark_hardware_unmaintained("x86 processor", "%s %s", boot_cpu_data.x86_vendor_id, -+ boot_cpu_data.x86_model_id); -+ break; -+ } -+ -+ /* -+ * Due to the complexity of x86 lapic & ioapic enumeration, and PCI IRQ -+ * routing, ACPI is required for x86. acpi=off is a valid debug kernel -+ * parameter, so just print out a loud warning in case something -+ * goes wrong (which is most of the time). -+ */ -+ if (acpi_disabled && !guest) -+ pr_crit("ACPI has been disabled or is not available on this hardware. This may result in a single cpu boot, incorrect PCI IRQ routing, or boot failure.\n"); -+} -+#else -+#define rh_check_supported() -+#endif -+ - /* - * Dump out kernel offset information on panic. - */ -@@ -929,6 +976,13 @@ void __init setup_arch(char **cmdline_p) - if (efi_enabled(EFI_BOOT)) - efi_init(); - -+ efi_set_secure_boot(boot_params.secure_boot); -+ -+#ifdef CONFIG_LOCK_DOWN_IN_EFI_SECURE_BOOT -+ if (efi_enabled(EFI_SECURE_BOOT)) -+ security_lock_kernel_down("EFI Secure Boot mode", LOCKDOWN_INTEGRITY_MAX); -+#endif -+ - dmi_setup(); - - /* -@@ -1094,19 +1148,7 @@ void __init setup_arch(char **cmdline_p) - /* Allocate bigger log buffer */ - setup_log_buf(1); - -- if (efi_enabled(EFI_BOOT)) { -- switch (boot_params.secure_boot) { -- case efi_secureboot_mode_disabled: -- pr_info("Secure boot disabled\n"); -- break; -- case efi_secureboot_mode_enabled: -- pr_info("Secure boot enabled\n"); -- break; -- default: -- pr_info("Secure boot could not be determined\n"); -- break; -- } -- } -+ efi_set_secure_boot(boot_params.secure_boot); - - reserve_initrd(); - -@@ -1219,6 +1261,8 @@ void __init setup_arch(char **cmdline_p) - efi_apply_memmap_quirks(); - #endif - -+ rh_check_supported(); -+ - unwind_init(); - } - -diff --git a/crypto/rng.c b/crypto/rng.c -index fea082b25fe4..50a9d040bed1 100644 ---- a/crypto/rng.c -+++ b/crypto/rng.c -@@ -11,14 +11,17 @@ - #include <linux/atomic.h> - #include <crypto/internal/rng.h> - #include <linux/err.h> -+#include <linux/fips.h> -+#include <linux/kernel.h> - #include <linux/module.h> - #include <linux/mutex.h> - #include <linux/random.h> - #include <linux/seq_file.h> -+#include <linux/sched.h> -+#include <linux/sched/signal.h> - #include <linux/slab.h> - #include <linux/string.h> - #include <linux/cryptouser.h> --#include <linux/compiler.h> - #include <net/netlink.h> - - #include "internal.h" -@@ -224,5 +227,73 @@ void crypto_unregister_rngs(struct rng_alg *algs, int count) - } - EXPORT_SYMBOL_GPL(crypto_unregister_rngs); - -+static ssize_t crypto_devrandom_read(void __user *buf, size_t buflen) -+{ -+ u8 tmp[256]; -+ ssize_t ret; -+ -+ if (!buflen) -+ return 0; -+ -+ ret = crypto_get_default_rng(); -+ if (ret) -+ return ret; -+ -+ for (;;) { -+ int err; -+ int i; -+ -+ i = min_t(int, buflen, sizeof(tmp)); -+ err = crypto_rng_get_bytes(crypto_default_rng, tmp, i); -+ if (err) { -+ ret = err; -+ break; -+ } -+ -+ if (copy_to_user(buf, tmp, i)) { -+ ret = -EFAULT; -+ break; -+ } -+ -+ buflen -= i; -+ buf += i; -+ ret += i; -+ -+ if (!buflen) -+ break; -+ -+ if (need_resched()) { -+ if (signal_pending(current)) -+ break; -+ schedule(); -+ } -+ } -+ -+ crypto_put_default_rng(); -+ memzero_explicit(tmp, sizeof(tmp)); -+ -+ return ret; -+} -+ -+static const struct random_extrng crypto_devrandom_rng = { -+ .extrng_read = crypto_devrandom_read, -+ .owner = THIS_MODULE, -+}; -+ -+static int __init crypto_rng_init(void) -+{ -+ if (fips_enabled) -+ random_register_extrng(&crypto_devrandom_rng); -+ return 0; -+} -+ -+static void __exit crypto_rng_exit(void) -+{ -+ random_unregister_extrng(); -+} -+ -+late_initcall(crypto_rng_init); -+module_exit(crypto_rng_exit); -+ - MODULE_LICENSE("GPL"); - MODULE_DESCRIPTION("Random Number Generator"); -diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c -index 0edc1ed47673..782e2f399af2 100644 ---- a/drivers/acpi/apei/hest.c -+++ b/drivers/acpi/apei/hest.c -@@ -96,6 +96,14 @@ static int apei_hest_parse(apei_hest_func_t func, void *data) - if (hest_disable || !hest_tab) - return -EINVAL; - -+#ifdef CONFIG_ARM64 -+ /* Ignore broken firmware */ -+ if (!strncmp(hest_tab->header.oem_id, "HPE ", 6) && -+ !strncmp(hest_tab->header.oem_table_id, "ProLiant", 8) && -+ MIDR_IMPLEMENTOR(read_cpuid_id()) == ARM_CPU_IMP_APM) -+ return -EINVAL; -+#endif -+ - hest_hdr = (struct acpi_hest_header *)(hest_tab + 1); - for (i = 0; i < hest_tab->error_source_count; i++) { - len = hest_esrc_len(hest_hdr); -diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c -index c68e694fca26..146cba5ae5bc 100644 ---- a/drivers/acpi/irq.c -+++ b/drivers/acpi/irq.c -@@ -130,6 +130,7 @@ struct acpi_irq_parse_one_ctx { - unsigned int index; - unsigned long *res_flags; - struct irq_fwspec *fwspec; -+ bool skip_producer_check; - }; - - /** -@@ -201,7 +202,8 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares, - return AE_CTRL_TERMINATE; - case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: - eirq = &ares->data.extended_irq; -- if (eirq->producer_consumer == ACPI_PRODUCER) -+ if (!ctx->skip_producer_check && -+ eirq->producer_consumer == ACPI_PRODUCER) - return AE_OK; - if (ctx->index >= eirq->interrupt_count) { - ctx->index -= eirq->interrupt_count; -@@ -236,8 +238,19 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares, - static int acpi_irq_parse_one(acpi_handle handle, unsigned int index, - struct irq_fwspec *fwspec, unsigned long *flags) - { -- struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec }; -+ struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec, false }; - -+ /* -+ * Firmware on arm64-based HPE m400 platform incorrectly marks -+ * its UART interrupt as ACPI_PRODUCER rather than ACPI_CONSUMER. -+ * Don't do the producer/consumer check for that device. -+ */ -+ if (IS_ENABLED(CONFIG_ARM64)) { -+ struct acpi_device *adev = acpi_bus_get_acpi_device(handle); -+ -+ if (adev && !strcmp(acpi_device_hid(adev), "APMC0D08")) -+ ctx.skip_producer_check = true; -+ } - acpi_walk_resources(handle, METHOD_NAME__CRS, acpi_irq_parse_one_cb, &ctx); - return ctx.rc; - } -diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c -index 2c80765670bc..5245fad951d8 100644 ---- a/drivers/acpi/scan.c -+++ b/drivers/acpi/scan.c -@@ -1725,6 +1725,15 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) - if (!acpi_match_device_ids(device, i2c_multi_instantiate_ids)) - return false; - -+ /* -+ * Firmware on some arm64 X-Gene platforms will make the UART -+ * device appear as both a UART and a slave of that UART. Just -+ * bail out here for X-Gene UARTs. -+ */ -+ if (IS_ENABLED(CONFIG_ARM64) && -+ !strcmp(acpi_device_hid(device), "APMC0D08")) -+ return false; -+ - INIT_LIST_HEAD(&resource_list); - acpi_dev_get_resources(device, &resource_list, - acpi_check_serial_bus_slave, -diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c -index f76b8418e6fb..350e52fccc30 100644 ---- a/drivers/ata/libahci.c -+++ b/drivers/ata/libahci.c -@@ -690,6 +690,24 @@ int ahci_stop_engine(struct ata_port *ap) - tmp &= ~PORT_CMD_START; - writel(tmp, port_mmio + PORT_CMD); - -+#ifdef CONFIG_ARM64 -+ /* Rev Ax of Cavium CN99XX needs a hack for port stop */ -+ if (dev_is_pci(ap->host->dev) && -+ to_pci_dev(ap->host->dev)->vendor == 0x14e4 && -+ to_pci_dev(ap->host->dev)->device == 0x9027 && -+ midr_is_cpu_model_range(read_cpuid_id(), -+ MIDR_CPU_MODEL(ARM_CPU_IMP_BRCM, BRCM_CPU_PART_VULCAN), -+ MIDR_CPU_VAR_REV(0, 0), -+ MIDR_CPU_VAR_REV(0, MIDR_REVISION_MASK))) { -+ tmp = readl(hpriv->mmio + 0x8000); -+ udelay(100); -+ writel(tmp | (1 << 26), hpriv->mmio + 0x8000); -+ udelay(100); -+ writel(tmp & ~(1 << 26), hpriv->mmio + 0x8000); -+ dev_warn(ap->host->dev, "CN99XX SATA reset workaround applied\n"); -+ } -+#endif -+ - /* wait for engine to stop. This could be as long as 500 msec */ - tmp = ata_wait_register(ap, port_mmio + PORT_CMD, - PORT_CMD_LIST_ON, PORT_CMD_LIST_ON, 1, 500); -diff --git a/drivers/char/ipmi/ipmi_dmi.c b/drivers/char/ipmi/ipmi_dmi.c -index bbf7029e224b..cf7faa970dd6 100644 ---- a/drivers/char/ipmi/ipmi_dmi.c -+++ b/drivers/char/ipmi/ipmi_dmi.c -@@ -215,6 +215,21 @@ static int __init scan_for_dmi_ipmi(void) - { - const struct dmi_device *dev = NULL; - -+#ifdef CONFIG_ARM64 -+ /* RHEL-only -+ * If this is ARM-based HPE m400, return now, because that platform -+ * reports the host-side ipmi address as intel port-io space, which -+ * does not exist in the ARM architecture. -+ */ -+ const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME); -+ -+ if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) { -+ pr_debug("%s does not support host ipmi\n", dmistr); -+ return 0; -+ } -+ /* END RHEL-only */ -+#endif -+ - while ((dev = dmi_find_device(DMI_DEV_TYPE_IPMI, NULL, dev))) - dmi_decode_ipmi((const struct dmi_header *) dev->device_data); - -diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c -index c59265146e9c..caa8458edde2 100644 ---- a/drivers/char/ipmi/ipmi_msghandler.c -+++ b/drivers/char/ipmi/ipmi_msghandler.c -@@ -35,6 +35,7 @@ - #include <linux/uuid.h> - #include <linux/nospec.h> - #include <linux/vmalloc.h> -+#include <linux/dmi.h> - #include <linux/delay.h> - - #define IPMI_DRIVER_VERSION "39.2" -@@ -5422,8 +5423,21 @@ static int __init ipmi_init_msghandler_mod(void) - { - int rv; - -- pr_info("version " IPMI_DRIVER_VERSION "\n"); -+#ifdef CONFIG_ARM64 -+ /* RHEL-only -+ * If this is ARM-based HPE m400, return now, because that platform -+ * reports the host-side ipmi address as intel port-io space, which -+ * does not exist in the ARM architecture. -+ */ -+ const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME); - -+ if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) { -+ pr_debug("%s does not support host ipmi\n", dmistr); -+ return -ENOSYS; -+ } -+ /* END RHEL-only */ -+#endif -+ pr_info("version " IPMI_DRIVER_VERSION "\n"); - mutex_lock(&ipmi_interfaces_mutex); - rv = ipmi_register_driver(); - mutex_unlock(&ipmi_interfaces_mutex); -diff --git a/drivers/char/random.c b/drivers/char/random.c -index 605969ed0f96..4d51f1c67675 100644 ---- a/drivers/char/random.c -+++ b/drivers/char/random.c -@@ -335,6 +335,7 @@ - #include <linux/syscalls.h> - #include <linux/completion.h> - #include <linux/uuid.h> -+#include <linux/rcupdate.h> - #include <crypto/chacha.h> - #include <crypto/sha1.h> - -@@ -349,6 +350,11 @@ - - /* #define ADD_INTERRUPT_BENCH */ - -+/* -+ * Hook for external RNG. -+ */ -+static const struct random_extrng __rcu *extrng; -+ - /* - * Configuration information - */ -@@ -481,6 +487,9 @@ static int ratelimit_disable __read_mostly; - module_param_named(ratelimit_disable, ratelimit_disable, int, 0644); - MODULE_PARM_DESC(ratelimit_disable, "Disable random ratelimit suppression"); - -+static const struct file_operations extrng_random_fops; -+static const struct file_operations extrng_urandom_fops; -+ - /********************************************************************** - * - * OS independent entropy store. Here are the functions which handle -@@ -1858,6 +1867,13 @@ random_poll(struct file *file, poll_table * wait) - return mask; - } - -+static __poll_t -+extrng_poll(struct file *file, poll_table * wait) -+{ -+ /* extrng pool is always full, always read, no writes */ -+ return EPOLLIN | EPOLLRDNORM; -+} -+ - static int - write_pool(struct entropy_store *r, const char __user *buffer, size_t count) - { -@@ -1961,7 +1977,58 @@ static int random_fasync(int fd, struct file *filp, int on) - return fasync_helper(fd, filp, on, &fasync); - } - -+static int random_open(struct inode *inode, struct file *filp) -+{ -+ const struct random_extrng *rng; -+ -+ rcu_read_lock(); -+ rng = rcu_dereference(extrng); -+ if (rng && !try_module_get(rng->owner)) -+ rng = NULL; -+ rcu_read_unlock(); -+ -+ if (!rng) -+ return 0; -+ -+ filp->f_op = &extrng_random_fops; -+ filp->private_data = rng->owner; -+ -+ return 0; -+} -+ -+static int urandom_open(struct inode *inode, struct file *filp) -+{ -+ const struct random_extrng *rng; -+ -+ rcu_read_lock(); -+ rng = rcu_dereference(extrng); -+ if (rng && !try_module_get(rng->owner)) -+ rng = NULL; -+ rcu_read_unlock(); -+ -+ if (!rng) -+ return 0; -+ -+ filp->f_op = &extrng_urandom_fops; -+ filp->private_data = rng->owner; -+ -+ return 0; -+} -+ -+static int extrng_release(struct inode *inode, struct file *filp) -+{ -+ module_put(filp->private_data); -+ return 0; -+} -+ -+static ssize_t -+extrng_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) -+{ -+ return rcu_dereference_raw(extrng)->extrng_read(buf, nbytes); -+} -+ - const struct file_operations random_fops = { -+ .open = random_open, - .read = random_read, - .write = random_write, - .poll = random_poll, -@@ -1972,6 +2039,7 @@ const struct file_operations random_fops = { - }; - - const struct file_operations urandom_fops = { -+ .open = urandom_open, - .read = urandom_read, - .write = random_write, - .unlocked_ioctl = random_ioctl, -@@ -1980,9 +2048,31 @@ const struct file_operations urandom_fops = { - .llseek = noop_llseek, - }; - -+static const struct file_operations extrng_random_fops = { -+ .open = random_open, -+ .read = extrng_read, -+ .write = random_write, -+ .poll = extrng_poll, -+ .unlocked_ioctl = random_ioctl, -+ .fasync = random_fasync, -+ .llseek = noop_llseek, -+ .release = extrng_release, -+}; -+ -+static const struct file_operations extrng_urandom_fops = { -+ .open = urandom_open, -+ .read = extrng_read, -+ .write = random_write, -+ .unlocked_ioctl = random_ioctl, -+ .fasync = random_fasync, -+ .llseek = noop_llseek, -+ .release = extrng_release, -+}; -+ - SYSCALL_DEFINE3(getrandom, char __user *, buf, size_t, count, - unsigned int, flags) - { -+ const struct random_extrng *rng; - int ret; - - if (flags & ~(GRND_NONBLOCK|GRND_RANDOM|GRND_INSECURE)) -@@ -1998,6 +2088,18 @@ SYSCALL_DEFINE3(getrandom, char __user *, buf, size_t, count, - if (count > INT_MAX) - count = INT_MAX; - -+ rcu_read_lock(); -+ rng = rcu_dereference(extrng); -+ if (rng && !try_module_get(rng->owner)) -+ rng = NULL; -+ rcu_read_unlock(); -+ -+ if (rng) { -+ ret = rng->extrng_read(buf, count); -+ module_put(rng->owner); -+ return ret; -+ } -+ - if (!(flags & GRND_INSECURE) && !crng_ready()) { - if (flags & GRND_NONBLOCK) - return -EAGAIN; -@@ -2303,3 +2405,16 @@ void add_bootloader_randomness(const void *buf, unsigned int size) - add_device_randomness(buf, size); - } - EXPORT_SYMBOL_GPL(add_bootloader_randomness); -+ -+void random_register_extrng(const struct random_extrng *rng) -+{ -+ rcu_assign_pointer(extrng, rng); -+} -+EXPORT_SYMBOL_GPL(random_register_extrng); -+ -+void random_unregister_extrng(void) -+{ -+ RCU_INIT_POINTER(extrng, NULL); -+ synchronize_rcu(); -+} -+EXPORT_SYMBOL_GPL(random_unregister_extrng); -diff --git a/drivers/firmware/efi/Makefile b/drivers/firmware/efi/Makefile -index c02ff25dd477..d860f8eb9a81 100644 ---- a/drivers/firmware/efi/Makefile -+++ b/drivers/firmware/efi/Makefile -@@ -28,6 +28,7 @@ obj-$(CONFIG_EFI_FAKE_MEMMAP) += fake_map.o - obj-$(CONFIG_EFI_BOOTLOADER_CONTROL) += efibc.o - obj-$(CONFIG_EFI_TEST) += test/ - obj-$(CONFIG_EFI_DEV_PATH_PARSER) += dev-path-parser.o -+obj-$(CONFIG_EFI) += secureboot.o - obj-$(CONFIG_APPLE_PROPERTIES) += apple-properties.o - obj-$(CONFIG_EFI_RCI2_TABLE) += rci2-table.o - obj-$(CONFIG_EFI_EMBEDDED_FIRMWARE) += embedded-firmware.o -diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c -index ae79c3300129..e9205ea7aeb3 100644 ---- a/drivers/firmware/efi/efi.c -+++ b/drivers/firmware/efi/efi.c -@@ -31,6 +31,7 @@ - #include <linux/ucs2_string.h> - #include <linux/memblock.h> - #include <linux/security.h> -+#include <linux/bsearch.h> - - #include <asm/early_ioremap.h> - -@@ -844,40 +845,101 @@ int efi_mem_type(unsigned long phys_addr) - } - #endif - -+struct efi_error_code { -+ efi_status_t status; -+ int errno; -+ const char *description; -+}; -+ -+static const struct efi_error_code efi_error_codes[] = { -+ { EFI_SUCCESS, 0, "Success"}, -+#if 0 -+ { EFI_LOAD_ERROR, -EPICK_AN_ERRNO, "Load Error"}, -+#endif -+ { EFI_INVALID_PARAMETER, -EINVAL, "Invalid Parameter"}, -+ { EFI_UNSUPPORTED, -ENOSYS, "Unsupported"}, -+ { EFI_BAD_BUFFER_SIZE, -ENOSPC, "Bad Buffer Size"}, -+ { EFI_BUFFER_TOO_SMALL, -ENOSPC, "Buffer Too Small"}, -+ { EFI_NOT_READY, -EAGAIN, "Not Ready"}, -+ { EFI_DEVICE_ERROR, -EIO, "Device Error"}, -+ { EFI_WRITE_PROTECTED, -EROFS, "Write Protected"}, -+ { EFI_OUT_OF_RESOURCES, -ENOMEM, "Out of Resources"}, -+#if 0 -+ { EFI_VOLUME_CORRUPTED, -EPICK_AN_ERRNO, "Volume Corrupt"}, -+ { EFI_VOLUME_FULL, -EPICK_AN_ERRNO, "Volume Full"}, -+ { EFI_NO_MEDIA, -EPICK_AN_ERRNO, "No Media"}, -+ { EFI_MEDIA_CHANGED, -EPICK_AN_ERRNO, "Media changed"}, -+#endif -+ { EFI_NOT_FOUND, -ENOENT, "Not Found"}, -+#if 0 -+ { EFI_ACCESS_DENIED, -EPICK_AN_ERRNO, "Access Denied"}, -+ { EFI_NO_RESPONSE, -EPICK_AN_ERRNO, "No Response"}, -+ { EFI_NO_MAPPING, -EPICK_AN_ERRNO, "No mapping"}, -+ { EFI_TIMEOUT, -EPICK_AN_ERRNO, "Time out"}, -+ { EFI_NOT_STARTED, -EPICK_AN_ERRNO, "Not started"}, -+ { EFI_ALREADY_STARTED, -EPICK_AN_ERRNO, "Already started"}, -+#endif -+ { EFI_ABORTED, -EINTR, "Aborted"}, -+#if 0 -+ { EFI_ICMP_ERROR, -EPICK_AN_ERRNO, "ICMP Error"}, -+ { EFI_TFTP_ERROR, -EPICK_AN_ERRNO, "TFTP Error"}, -+ { EFI_PROTOCOL_ERROR, -EPICK_AN_ERRNO, "Protocol Error"}, -+ { EFI_INCOMPATIBLE_VERSION, -EPICK_AN_ERRNO, "Incompatible Version"}, -+#endif -+ { EFI_SECURITY_VIOLATION, -EACCES, "Security Policy Violation"}, -+#if 0 -+ { EFI_CRC_ERROR, -EPICK_AN_ERRNO, "CRC Error"}, -+ { EFI_END_OF_MEDIA, -EPICK_AN_ERRNO, "End of Media"}, -+ { EFI_END_OF_FILE, -EPICK_AN_ERRNO, "End of File"}, -+ { EFI_INVALID_LANGUAGE, -EPICK_AN_ERRNO, "Invalid Languages"}, -+ { EFI_COMPROMISED_DATA, -EPICK_AN_ERRNO, "Compromised Data"}, -+ -+ // warnings -+ { EFI_WARN_UNKOWN_GLYPH, -EPICK_AN_ERRNO, "Warning Unknown Glyph"}, -+ { EFI_WARN_DELETE_FAILURE, -EPICK_AN_ERRNO, "Warning Delete Failure"}, -+ { EFI_WARN_WRITE_FAILURE, -EPICK_AN_ERRNO, "Warning Write Failure"}, -+ { EFI_WARN_BUFFER_TOO_SMALL, -EPICK_AN_ERRNO, "Warning Buffer Too Small"}, -+#endif -+}; -+ -+static int -+efi_status_cmp_bsearch(const void *key, const void *item) -+{ -+ u64 status = (u64)(uintptr_t)key; -+ struct efi_error_code *code = (struct efi_error_code *)item; -+ -+ if (status < code->status) -+ return -1; -+ if (status > code->status) -+ return 1; -+ return 0; -+} -+ - int efi_status_to_err(efi_status_t status) - { -- int err; -- -- switch (status) { -- case EFI_SUCCESS: -- err = 0; -- break; -- case EFI_INVALID_PARAMETER: -- err = -EINVAL; -- break; -- case EFI_OUT_OF_RESOURCES: -- err = -ENOSPC; -- break; -- case EFI_DEVICE_ERROR: -- err = -EIO; -- break; -- case EFI_WRITE_PROTECTED: -- err = -EROFS; -- break; -- case EFI_SECURITY_VIOLATION: -- err = -EACCES; -- break; -- case EFI_NOT_FOUND: -- err = -ENOENT; -- break; -- case EFI_ABORTED: -- err = -EINTR; -- break; -- default: -- err = -EINVAL; -- } -+ struct efi_error_code *found; -+ size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code); - -- return err; -+ found = bsearch((void *)(uintptr_t)status, efi_error_codes, -+ sizeof(struct efi_error_code), num, -+ efi_status_cmp_bsearch); -+ if (!found) -+ return -EINVAL; -+ return found->errno; -+} -+ -+const char * -+efi_status_to_str(efi_status_t status) -+{ -+ struct efi_error_code *found; -+ size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code); -+ -+ found = bsearch((void *)(uintptr_t)status, efi_error_codes, -+ sizeof(struct efi_error_code), num, -+ efi_status_cmp_bsearch); -+ if (!found) -+ return "Unknown error code"; -+ return found->description; - } - - static DEFINE_SPINLOCK(efi_mem_reserve_persistent_lock); -diff --git a/drivers/firmware/efi/secureboot.c b/drivers/firmware/efi/secureboot.c -new file mode 100644 -index 000000000000..de0a3714a5d4 ---- /dev/null -+++ b/drivers/firmware/efi/secureboot.c -@@ -0,0 +1,38 @@ -+/* Core kernel secure boot support. -+ * -+ * Copyright (C) 2017 Red Hat, Inc. All Rights Reserved. -+ * Written by David Howells (dhowells@redhat.com) -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public Licence -+ * as published by the Free Software Foundation; either version -+ * 2 of the Licence, or (at your option) any later version. -+ */ -+ -+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -+ -+#include <linux/efi.h> -+#include <linux/kernel.h> -+#include <linux/printk.h> -+ -+/* -+ * Decide what to do when UEFI secure boot mode is enabled. -+ */ -+void __init efi_set_secure_boot(enum efi_secureboot_mode mode) -+{ -+ if (efi_enabled(EFI_BOOT)) { -+ switch (mode) { -+ case efi_secureboot_mode_disabled: -+ pr_info("Secure boot disabled\n"); -+ break; -+ case efi_secureboot_mode_enabled: -+ set_bit(EFI_SECURE_BOOT, &efi.flags); -+ pr_info("Secure boot enabled\n"); -+ break; -+ default: -+ pr_warn("Secure boot could not be determined (mode %u)\n", -+ mode); -+ break; -+ } -+ } -+} -diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c -index 311eee599ce9..2460c6bd46f8 100644 ---- a/drivers/hid/hid-rmi.c -+++ b/drivers/hid/hid-rmi.c -@@ -322,19 +322,12 @@ static int rmi_input_event(struct hid_device *hdev, u8 *data, int size) - { - struct rmi_data *hdata = hid_get_drvdata(hdev); - struct rmi_device *rmi_dev = hdata->xport.rmi_dev; -- unsigned long flags; - - if (!(test_bit(RMI_STARTED, &hdata->flags))) - return 0; - -- local_irq_save(flags); -- - rmi_set_attn_data(rmi_dev, data[1], &data[2], size - 2); - -- generic_handle_irq(hdata->rmi_irq); -- -- local_irq_restore(flags); -- - return 1; - } - -@@ -591,56 +584,6 @@ static const struct rmi_transport_ops hid_rmi_ops = { - .reset = rmi_hid_reset, - }; - --static void rmi_irq_teardown(void *data) --{ -- struct rmi_data *hdata = data; -- struct irq_domain *domain = hdata->domain; -- -- if (!domain) -- return; -- -- irq_dispose_mapping(irq_find_mapping(domain, 0)); -- -- irq_domain_remove(domain); -- hdata->domain = NULL; -- hdata->rmi_irq = 0; --} -- --static int rmi_irq_map(struct irq_domain *h, unsigned int virq, -- irq_hw_number_t hw_irq_num) --{ -- irq_set_chip_and_handler(virq, &dummy_irq_chip, handle_simple_irq); -- -- return 0; --} -- --static const struct irq_domain_ops rmi_irq_ops = { -- .map = rmi_irq_map, --}; -- --static int rmi_setup_irq_domain(struct hid_device *hdev) --{ -- struct rmi_data *hdata = hid_get_drvdata(hdev); -- int ret; -- -- hdata->domain = irq_domain_create_linear(hdev->dev.fwnode, 1, -- &rmi_irq_ops, hdata); -- if (!hdata->domain) -- return -ENOMEM; -- -- ret = devm_add_action_or_reset(&hdev->dev, &rmi_irq_teardown, hdata); -- if (ret) -- return ret; -- -- hdata->rmi_irq = irq_create_mapping(hdata->domain, 0); -- if (hdata->rmi_irq <= 0) { -- hid_err(hdev, "Can't allocate an IRQ\n"); -- return hdata->rmi_irq < 0 ? hdata->rmi_irq : -ENXIO; -- } -- -- return 0; --} -- - static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id) - { - struct rmi_data *data = NULL; -@@ -713,18 +656,11 @@ static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id) - - mutex_init(&data->page_mutex); - -- ret = rmi_setup_irq_domain(hdev); -- if (ret) { -- hid_err(hdev, "failed to allocate IRQ domain\n"); -- return ret; -- } -- - if (data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS) - rmi_hid_pdata.gpio_data.disable = true; - - data->xport.dev = hdev->dev.parent; - data->xport.pdata = rmi_hid_pdata; -- data->xport.pdata.irq = data->rmi_irq; - data->xport.proto_name = "hid"; - data->xport.ops = &hid_rmi_ops; - -diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c -index 86a313857b58..dcfc95d0e328 100644 ---- a/drivers/hwtracing/coresight/coresight-etm4x-core.c -+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c -@@ -9,6 +9,7 @@ - #include <linux/init.h> - #include <linux/types.h> - #include <linux/device.h> -+#include <linux/dmi.h> - #include <linux/io.h> - #include <linux/err.h> - #include <linux/fs.h> -@@ -2156,6 +2157,16 @@ static const struct amba_id etm4_ids[] = { - {}, - }; - -+static const struct dmi_system_id broken_coresight[] = { -+ { -+ .matches = { -+ DMI_MATCH(DMI_SYS_VENDOR, "HPE"), -+ DMI_MATCH(DMI_PRODUCT_NAME, "Apollo 70"), -+ }, -+ }, -+ { } /* terminating entry */ -+}; -+ - MODULE_DEVICE_TABLE(amba, etm4_ids); - - static struct amba_driver etm4x_amba_driver = { -@@ -2189,6 +2200,11 @@ static int __init etm4x_init(void) - { - int ret; - -+ if (dmi_check_system(broken_coresight)) { -+ pr_info("ETM4 disabled due to firmware bug\n"); -+ return 0; -+ } -+ - ret = etm4_pm_setup(); - - /* etm4_pm_setup() does its own cleanup - exit on error */ -@@ -2215,6 +2231,9 @@ static int __init etm4x_init(void) - - static void __exit etm4x_exit(void) - { -+ if (dmi_check_system(broken_coresight)) -+ return; -+ - amba_driver_unregister(&etm4x_amba_driver); - platform_driver_unregister(&etm4_platform_driver); - etm4_pm_clear(); -diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c -index 258d5fe3d395..f7298e3dc8f3 100644 ---- a/drivers/input/rmi4/rmi_driver.c -+++ b/drivers/input/rmi4/rmi_driver.c -@@ -182,34 +182,47 @@ void rmi_set_attn_data(struct rmi_device *rmi_dev, unsigned long irq_status, - attn_data.data = fifo_data; - - kfifo_put(&drvdata->attn_fifo, attn_data); -+ -+ schedule_work(&drvdata->attn_work); - } - EXPORT_SYMBOL_GPL(rmi_set_attn_data); - --static irqreturn_t rmi_irq_fn(int irq, void *dev_id) -+static void attn_callback(struct work_struct *work) - { -- struct rmi_device *rmi_dev = dev_id; -- struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev); -+ struct rmi_driver_data *drvdata = container_of(work, -+ struct rmi_driver_data, -+ attn_work); - struct rmi4_attn_data attn_data = {0}; - int ret, count; - - count = kfifo_get(&drvdata->attn_fifo, &attn_data); -- if (count) { -- *(drvdata->irq_status) = attn_data.irq_status; -- drvdata->attn_data = attn_data; -- } -+ if (!count) -+ return; - -- ret = rmi_process_interrupt_requests(rmi_dev); -+ *(drvdata->irq_status) = attn_data.irq_status; -+ drvdata->attn_data = attn_data; -+ -+ ret = rmi_process_interrupt_requests(drvdata->rmi_dev); - if (ret) -- rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev, -+ rmi_dbg(RMI_DEBUG_CORE, &drvdata->rmi_dev->dev, - "Failed to process interrupt request: %d\n", ret); - -- if (count) { -- kfree(attn_data.data); -- drvdata->attn_data.data = NULL; -- } -+ kfree(attn_data.data); -+ drvdata->attn_data.data = NULL; - - if (!kfifo_is_empty(&drvdata->attn_fifo)) -- return rmi_irq_fn(irq, dev_id); -+ schedule_work(&drvdata->attn_work); -+} -+ -+static irqreturn_t rmi_irq_fn(int irq, void *dev_id) -+{ -+ struct rmi_device *rmi_dev = dev_id; -+ int ret; -+ -+ ret = rmi_process_interrupt_requests(rmi_dev); -+ if (ret) -+ rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev, -+ "Failed to process interrupt request: %d\n", ret); - - return IRQ_HANDLED; - } -@@ -217,7 +230,6 @@ static irqreturn_t rmi_irq_fn(int irq, void *dev_id) - static int rmi_irq_init(struct rmi_device *rmi_dev) - { - struct rmi_device_platform_data *pdata = rmi_get_platform_data(rmi_dev); -- struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev); - int irq_flags = irq_get_trigger_type(pdata->irq); - int ret; - -@@ -235,8 +247,6 @@ static int rmi_irq_init(struct rmi_device *rmi_dev) - return ret; - } - -- data->enabled = true; -- - return 0; - } - -@@ -886,23 +896,27 @@ void rmi_enable_irq(struct rmi_device *rmi_dev, bool clear_wake) - if (data->enabled) - goto out; - -- enable_irq(irq); -- data->enabled = true; -- if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) { -- retval = disable_irq_wake(irq); -- if (retval) -- dev_warn(&rmi_dev->dev, -- "Failed to disable irq for wake: %d\n", -- retval); -- } -+ if (irq) { -+ enable_irq(irq); -+ data->enabled = true; -+ if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) { -+ retval = disable_irq_wake(irq); -+ if (retval) -+ dev_warn(&rmi_dev->dev, -+ "Failed to disable irq for wake: %d\n", -+ retval); -+ } - -- /* -- * Call rmi_process_interrupt_requests() after enabling irq, -- * otherwise we may lose interrupt on edge-triggered systems. -- */ -- irq_flags = irq_get_trigger_type(pdata->irq); -- if (irq_flags & IRQ_TYPE_EDGE_BOTH) -- rmi_process_interrupt_requests(rmi_dev); -+ /* -+ * Call rmi_process_interrupt_requests() after enabling irq, -+ * otherwise we may lose interrupt on edge-triggered systems. -+ */ -+ irq_flags = irq_get_trigger_type(pdata->irq); -+ if (irq_flags & IRQ_TYPE_EDGE_BOTH) -+ rmi_process_interrupt_requests(rmi_dev); -+ } else { -+ data->enabled = true; -+ } - - out: - mutex_unlock(&data->enabled_mutex); -@@ -922,20 +936,22 @@ void rmi_disable_irq(struct rmi_device *rmi_dev, bool enable_wake) - goto out; - - data->enabled = false; -- disable_irq(irq); -- if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) { -- retval = enable_irq_wake(irq); -- if (retval) -- dev_warn(&rmi_dev->dev, -- "Failed to enable irq for wake: %d\n", -- retval); -- } -- -- /* make sure the fifo is clean */ -- while (!kfifo_is_empty(&data->attn_fifo)) { -- count = kfifo_get(&data->attn_fifo, &attn_data); -- if (count) -- kfree(attn_data.data); -+ if (irq) { -+ disable_irq(irq); -+ if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) { -+ retval = enable_irq_wake(irq); -+ if (retval) -+ dev_warn(&rmi_dev->dev, -+ "Failed to enable irq for wake: %d\n", -+ retval); -+ } -+ } else { -+ /* make sure the fifo is clean */ -+ while (!kfifo_is_empty(&data->attn_fifo)) { -+ count = kfifo_get(&data->attn_fifo, &attn_data); -+ if (count) -+ kfree(attn_data.data); -+ } - } - - out: -@@ -981,6 +997,8 @@ static int rmi_driver_remove(struct device *dev) - irq_domain_remove(data->irqdomain); - data->irqdomain = NULL; - -+ cancel_work_sync(&data->attn_work); -+ - rmi_f34_remove_sysfs(rmi_dev); - rmi_free_function_list(rmi_dev); - -@@ -1219,9 +1237,15 @@ static int rmi_driver_probe(struct device *dev) - } - } - -- retval = rmi_irq_init(rmi_dev); -- if (retval < 0) -- goto err_destroy_functions; -+ if (pdata->irq) { -+ retval = rmi_irq_init(rmi_dev); -+ if (retval < 0) -+ goto err_destroy_functions; -+ } -+ -+ data->enabled = true; -+ -+ INIT_WORK(&data->attn_work, attn_callback); - - if (data->f01_container->dev.driver) { - /* Driver already bound, so enable ATTN now. */ -diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c -index dd7863e453a5..6759ef17a2c3 100644 ---- a/drivers/iommu/iommu.c -+++ b/drivers/iommu/iommu.c -@@ -7,6 +7,7 @@ - #define pr_fmt(fmt) "iommu: " fmt - - #include <linux/device.h> -+#include <linux/dmi.h> - #include <linux/dma-iommu.h> - #include <linux/kernel.h> - #include <linux/bits.h> -@@ -3118,6 +3119,27 @@ u32 iommu_sva_get_pasid(struct iommu_sva *handle) - } - EXPORT_SYMBOL_GPL(iommu_sva_get_pasid); - -+#ifdef CONFIG_ARM64 -+static int __init iommu_quirks(void) -+{ -+ const char *vendor, *name; -+ -+ vendor = dmi_get_system_info(DMI_SYS_VENDOR); -+ name = dmi_get_system_info(DMI_PRODUCT_NAME); -+ -+ if (vendor && -+ (strncmp(vendor, "GIGABYTE", 8) == 0 && name && -+ (strncmp(name, "R120", 4) == 0 || -+ strncmp(name, "R270", 4) == 0))) { -+ pr_warn("Gigabyte %s detected, force iommu passthrough mode", name); -+ iommu_def_domain_type = IOMMU_DOMAIN_IDENTITY; -+ } -+ -+ return 0; -+} -+arch_initcall(iommu_quirks); -+#endif -+ - /* - * Changes the default domain of an iommu group that has *only* one device - * -diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c -index 091b45024d34..4457c5c7e173 100644 ---- a/drivers/message/fusion/mptsas.c -+++ b/drivers/message/fusion/mptsas.c -@@ -5318,6 +5318,11 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id) - ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT); - } - -+#ifdef CONFIG_RHEL_DIFFERENCES -+ add_taint(TAINT_SUPPORT_REMOVED, LOCKDEP_STILL_OK); -+ pr_warn("MPTSAS MODULE IS NOT SUPPORTED\n"); -+#endif -+ - error = scsi_add_host(sh, &ioc->pcidev->dev); - if (error) { - dprintk(ioc, printk(MYIOC_s_ERR_FMT -@@ -5381,6 +5386,10 @@ static void mptsas_remove(struct pci_dev *pdev) - } - - static struct pci_device_id mptsas_pci_table[] = { -+#ifdef CONFIG_RHEL_DIFFERENCES -+ { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068, -+ PCI_VENDOR_ID_VMWARE, PCI_ANY_ID }, -+#else - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068, -@@ -5393,6 +5402,7 @@ static struct pci_device_id mptsas_pci_table[] = { - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068_820XELP, - PCI_ANY_ID, PCI_ANY_ID }, -+#endif - {0} /* Terminating entry */ - }; - MODULE_DEVICE_TABLE(pci, mptsas_pci_table); -diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c -index acd4805dcf83..5f814d447ab3 100644 ---- a/drivers/message/fusion/mptspi.c -+++ b/drivers/message/fusion/mptspi.c -@@ -1238,12 +1238,17 @@ static struct spi_function_template mptspi_transport_functions = { - */ - - static struct pci_device_id mptspi_pci_table[] = { -+#ifdef CONFIG_RHEL_DIFFERENCES -+ { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1030, -+ PCI_VENDOR_ID_VMWARE, PCI_ANY_ID }, -+#else - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1030, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_ATTO, MPI_MANUFACTPAGE_DEVID_53C1030, - PCI_ANY_ID, PCI_ANY_ID }, - { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1035, - PCI_ANY_ID, PCI_ANY_ID }, -+#endif - {0} /* Terminating entry */ - }; - MODULE_DEVICE_TABLE(pci, mptspi_pci_table); -@@ -1534,6 +1539,12 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id) - 0, 0, 0, 0, 5); - - scsi_scan_host(sh); -+ -+#ifdef CONFIG_RHEL_DIFFERENCES -+ add_taint(TAINT_SUPPORT_REMOVED, LOCKDEP_STILL_OK); -+ pr_warn("MPTSPI MODULE IS NOT SUPPORTED\n"); -+#endif -+ - return 0; - - out_mptspi_probe: -diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c -index 669060a2e6aa..befd1f254436 100644 ---- a/drivers/net/ethernet/intel/e1000/e1000_main.c -+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c -@@ -933,6 +933,8 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) - int bars, need_ioport; - bool disable_dev = false; - -+ pci_hw_unmaintained(e1000_pci_tbl, pdev); -+ - /* do not allocate ioport bars when not needed */ - need_ioport = e1000_is_need_ioport(pdev); - if (need_ioport) { -diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c -index 8b2adc56b92a..3263b33c9b69 100644 ---- a/drivers/net/team/team.c -+++ b/drivers/net/team/team.c -@@ -3045,6 +3045,8 @@ static int __init team_module_init(void) - if (err) - goto err_nl_init; - -+ mark_driver_deprecated(DRV_NAME); -+ - return 0; - - err_nl_init: -diff --git a/drivers/net/wireguard/main.c b/drivers/net/wireguard/main.c -index ee4da9ab8013..0f217997a764 100644 ---- a/drivers/net/wireguard/main.c -+++ b/drivers/net/wireguard/main.c -@@ -12,6 +12,7 @@ - - #include <uapi/linux/wireguard.h> - -+#include <linux/fips.h> - #include <linux/init.h> - #include <linux/module.h> - #include <linux/genetlink.h> -@@ -21,6 +22,11 @@ static int __init wg_mod_init(void) - { - int ret; - -+#ifdef CONFIG_RHEL_DIFFERENCES -+ if (fips_enabled) -+ return -EOPNOTSUPP; -+#endif -+ - ret = wg_allowedips_slab_init(); - if (ret < 0) - goto err_allowedips; -@@ -48,6 +54,7 @@ static int __init wg_mod_init(void) - pr_info("WireGuard " WIREGUARD_VERSION " loaded. See www.wireguard.com for information.\n"); - pr_info("Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.\n"); - -+ mark_tech_preview("WireGuard", THIS_MODULE); - return 0; - - err_netlink: -diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c -index 1af8a4513708..5a23e077ab86 100644 ---- a/drivers/nvme/host/core.c -+++ b/drivers/nvme/host/core.c -@@ -244,6 +244,9 @@ static void nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl) - - static blk_status_t nvme_error_status(u16 status) - { -+ if (unlikely(status & NVME_SC_DNR)) -+ return BLK_STS_TARGET; -+ - switch (status & 0x7ff) { - case NVME_SC_SUCCESS: - return BLK_STS_OK; -@@ -303,6 +306,7 @@ enum nvme_disposition { - COMPLETE, - RETRY, - FAILOVER, -+ FAILUP, - }; - - static inline enum nvme_disposition nvme_decide_disposition(struct request *req) -@@ -310,15 +314,16 @@ static inline enum nvme_disposition nvme_decide_disposition(struct request *req) - if (likely(nvme_req(req)->status == 0)) - return COMPLETE; - -- if (blk_noretry_request(req) || -+ if ((req->cmd_flags & (REQ_FAILFAST_DEV | REQ_FAILFAST_DRIVER)) || - (nvme_req(req)->status & NVME_SC_DNR) || - nvme_req(req)->retries >= nvme_max_retries) - return COMPLETE; - -- if (req->cmd_flags & REQ_NVME_MPATH) { -+ if (req->cmd_flags & (REQ_NVME_MPATH | REQ_FAILFAST_TRANSPORT)) { - if (nvme_is_path_error(nvme_req(req)->status) || - blk_queue_dying(req->q)) -- return FAILOVER; -+ return (req->cmd_flags & REQ_NVME_MPATH) ? -+ FAILOVER : FAILUP; - } else { - if (blk_queue_dying(req->q)) - return COMPLETE; -@@ -344,6 +349,14 @@ static inline void nvme_end_req(struct request *req) - blk_mq_end_request(req, status); - } - -+static inline void nvme_failup_req(struct request *req) -+{ -+ nvme_update_ana(req); -+ -+ nvme_req(req)->status = NVME_SC_HOST_PATH_ERROR; -+ nvme_end_req(req); -+} -+ - void nvme_complete_rq(struct request *req) - { - trace_nvme_complete_rq(req); -@@ -362,6 +375,9 @@ void nvme_complete_rq(struct request *req) - case FAILOVER: - nvme_failover_req(req); - return; -+ case FAILUP: -+ nvme_failup_req(req); -+ return; - } - } - EXPORT_SYMBOL_GPL(nvme_complete_rq); -diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c -index 13e5d503ed07..daaeb316f624 100644 ---- a/drivers/nvme/host/multipath.c -+++ b/drivers/nvme/host/multipath.c -@@ -65,14 +65,10 @@ bool nvme_mpath_set_disk_name(struct nvme_ns *ns, char *disk_name, int *flags) - return true; - } - --void nvme_failover_req(struct request *req) -+void nvme_update_ana(struct request *req) - { - struct nvme_ns *ns = req->q->queuedata; - u16 status = nvme_req(req)->status & 0x7ff; -- unsigned long flags; -- struct bio *bio; -- -- nvme_mpath_clear_current_path(ns); - - /* - * If we got back an ANA error, we know the controller is alive but not -@@ -83,6 +79,16 @@ void nvme_failover_req(struct request *req) - set_bit(NVME_NS_ANA_PENDING, &ns->flags); - queue_work(nvme_wq, &ns->ctrl->ana_work); - } -+} -+ -+void nvme_failover_req(struct request *req) -+{ -+ struct nvme_ns *ns = req->q->queuedata; -+ unsigned long flags; -+ struct bio *bio; -+ -+ nvme_mpath_clear_current_path(ns); -+ nvme_update_ana(req); - - spin_lock_irqsave(&ns->head->requeue_lock, flags); - for (bio = req->bio; bio; bio = bio->bi_next) { -@@ -838,8 +844,7 @@ int nvme_mpath_init_identify(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) - int error = 0; - - /* check if multipath is enabled and we have the capability */ -- if (!multipath || !ctrl->subsys || -- !(ctrl->subsys->cmic & NVME_CTRL_CMIC_ANA)) -+ if (!ctrl->subsys || !(ctrl->subsys->cmic & NVME_CTRL_CMIC_ANA)) - return 0; - - if (!ctrl->max_namespaces || -diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h -index 9b095ee01364..bf25ef206cd2 100644 ---- a/drivers/nvme/host/nvme.h -+++ b/drivers/nvme/host/nvme.h -@@ -765,6 +765,7 @@ void nvme_mpath_wait_freeze(struct nvme_subsystem *subsys); - void nvme_mpath_start_freeze(struct nvme_subsystem *subsys); - bool nvme_mpath_set_disk_name(struct nvme_ns *ns, char *disk_name, int *flags); - void nvme_failover_req(struct request *req); -+void nvme_update_ana(struct request *req); - void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl); - int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl,struct nvme_ns_head *head); - void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id); -@@ -803,6 +804,9 @@ static inline bool nvme_mpath_set_disk_name(struct nvme_ns *ns, char *disk_name, - static inline void nvme_failover_req(struct request *req) - { - } -+static inline void nvme_update_ana(struct request *req) -+{ -+} - static inline void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl) - { - } -diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c -index 588588cfda48..adb3a91b0ba3 100644 ---- a/drivers/pci/pci-driver.c -+++ b/drivers/pci/pci-driver.c -@@ -19,6 +19,7 @@ - #include <linux/kexec.h> - #include <linux/of_device.h> - #include <linux/acpi.h> -+#include <linux/kernel.h> - #include <linux/dma-map-ops.h> - #include "pci.h" - #include "pcie/portdrv.h" -@@ -295,6 +296,83 @@ static struct attribute *pci_drv_attrs[] = { - }; - ATTRIBUTE_GROUPS(pci_drv); - -+#ifdef CONFIG_RHEL_DIFFERENCES -+/** -+ * pci_hw_deprecated - Tell if a PCI device is deprecated -+ * @ids: array of PCI device id structures to search in -+ * @dev: the PCI device structure to match against -+ * -+ * Used by a driver to check whether this device is in its list of deprecated -+ * devices. Returns the matching pci_device_id structure or %NULL if there is -+ * no match. -+ * -+ * Reserved for Internal Red Hat use only. -+ */ -+const struct pci_device_id *pci_hw_deprecated(const struct pci_device_id *ids, -+ struct pci_dev *dev) -+{ -+ const struct pci_device_id *ret = pci_match_id(ids, dev); -+ -+ if (!ret) -+ return NULL; -+ -+ mark_hardware_deprecated(dev_driver_string(&dev->dev), "%04X:%04X @ %s", -+ dev->device, dev->vendor, pci_name(dev)); -+ return ret; -+} -+EXPORT_SYMBOL(pci_hw_deprecated); -+ -+/** -+ * pci_hw_unmaintained - Tell if a PCI device is unmaintained -+ * @ids: array of PCI device id structures to search in -+ * @dev: the PCI device structure to match against -+ * -+ * Used by a driver to check whether this device is in its list of unmaintained -+ * devices. Returns the matching pci_device_id structure or %NULL if there is -+ * no match. -+ * -+ * Reserved for Internal Red Hat use only. -+ */ -+const struct pci_device_id *pci_hw_unmaintained(const struct pci_device_id *ids, -+ struct pci_dev *dev) -+{ -+ const struct pci_device_id *ret = pci_match_id(ids, dev); -+ -+ if (!ret) -+ return NULL; -+ -+ mark_hardware_unmaintained(dev_driver_string(&dev->dev), "%04X:%04X @ %s", -+ dev->device, dev->vendor, pci_name(dev)); -+ return ret; -+} -+EXPORT_SYMBOL(pci_hw_unmaintained); -+ -+/** -+ * pci_hw_disabled - Tell if a PCI device is disabled -+ * @ids: array of PCI device id structures to search in -+ * @dev: the PCI device structure to match against -+ * -+ * Used by a driver to check whether this device is in its list of disabled -+ * devices. Returns the matching pci_device_id structure or %NULL if there is -+ * no match. -+ * -+ * Reserved for Internal Red Hat use only. -+ */ -+const struct pci_device_id *pci_hw_disabled(const struct pci_device_id *ids, -+ struct pci_dev *dev) -+{ -+ const struct pci_device_id *ret = pci_match_id(ids, dev); -+ -+ if (!ret) -+ return NULL; -+ -+ mark_hardware_disabled(dev_driver_string(&dev->dev), "%04X:%04X @ %s", -+ dev->device, dev->vendor, pci_name(dev)); -+ return ret; -+} -+EXPORT_SYMBOL(pci_hw_disabled); -+#endif -+ - struct drv_dev_and_id { - struct pci_driver *drv; - struct pci_dev *dev; -diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c -index 003950c738d2..ef27596d04d8 100644 ---- a/drivers/pci/quirks.c -+++ b/drivers/pci/quirks.c -@@ -4269,6 +4269,30 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9000, - DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9084, - quirk_bridge_cavm_thrx2_pcie_root); - -+/* -+ * PCI BAR 5 is not setup correctly for the on-board AHCI controller -+ * on Broadcom's Vulcan processor. Added a quirk to fix BAR 5 by -+ * using BAR 4's resources which are populated correctly and NOT -+ * actually used by the AHCI controller. -+ */ -+static void quirk_fix_vulcan_ahci_bars(struct pci_dev *dev) -+{ -+ struct resource *r = &dev->resource[4]; -+ -+ if (!(r->flags & IORESOURCE_MEM) || (r->start == 0)) -+ return; -+ -+ /* Set BAR5 resource to BAR4 */ -+ dev->resource[5] = *r; -+ -+ /* Update BAR5 in pci config space */ -+ pci_write_config_dword(dev, PCI_BASE_ADDRESS_5, r->start); -+ -+ /* Clear BAR4's resource */ -+ memset(r, 0, sizeof(*r)); -+} -+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9027, quirk_fix_vulcan_ahci_bars); -+ - /* - * Intersil/Techwell TW686[4589]-based video capture cards have an empty (zero) - * class code. Fix it. -diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c -index a911252075a6..9bc69f6880f3 100644 ---- a/drivers/scsi/aacraid/linit.c -+++ b/drivers/scsi/aacraid/linit.c -@@ -78,6 +78,7 @@ char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; - * Note: The last field is used to index into aac_drivers below. - */ - static const struct pci_device_id aac_pci_tbl[] = { -+#ifndef CONFIG_RHEL_DIFFERENCES - { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ - { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ - { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ -@@ -145,6 +146,7 @@ static const struct pci_device_id aac_pci_tbl[] = { - { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ - { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ - { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ -+#endif - { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */ - { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */ - { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */ -diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c -index ab55681145f8..1f8b0f73597b 100644 ---- a/drivers/scsi/be2iscsi/be_main.c -+++ b/drivers/scsi/be2iscsi/be_main.c -@@ -372,11 +372,13 @@ static int beiscsi_eh_device_reset(struct scsi_cmnd *sc) - - /*------------------- PCI Driver operations and data ----------------- */ - static const struct pci_device_id beiscsi_pci_id_table[] = { -+#ifndef CONFIG_RHEL_DIFFERENCES - { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, - { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, - { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, - { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, - { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID3) }, -+#endif - { PCI_DEVICE(ELX_VENDOR_ID, OC_SKH_ID1) }, - { 0 } - }; -diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c -index cdf3328cc065..6754c7ee79d7 100644 ---- a/drivers/scsi/hpsa.c -+++ b/drivers/scsi/hpsa.c -@@ -82,7 +82,9 @@ MODULE_DESCRIPTION("Driver for HP Smart Array Controller version " \ - HPSA_DRIVER_VERSION); - MODULE_VERSION(HPSA_DRIVER_VERSION); - MODULE_LICENSE("GPL"); -+#ifndef CONFIG_RHEL_DIFFERENCES - MODULE_ALIAS("cciss"); -+#endif - - static int hpsa_simple_mode; - module_param(hpsa_simple_mode, int, S_IRUGO|S_IWUSR); -@@ -144,10 +146,12 @@ static const struct pci_device_id hpsa_pci_device_id[] = { - {PCI_VENDOR_ID_HP_3PAR, 0x0075, 0x1590, 0x007D}, - {PCI_VENDOR_ID_HP_3PAR, 0x0075, 0x1590, 0x0088}, - {PCI_VENDOR_ID_HP, 0x333f, 0x103c, 0x333f}, -+#ifndef CONFIG_RHEL_DIFFERENCES - {PCI_VENDOR_ID_HP, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, - PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0}, - {PCI_VENDOR_ID_COMPAQ, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, - PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0}, -+#endif - {0,} - }; - -diff --git a/drivers/scsi/lpfc/lpfc_ids.h b/drivers/scsi/lpfc/lpfc_ids.h -index 6a90e6e53d09..7e48c3bf701d 100644 ---- a/drivers/scsi/lpfc/lpfc_ids.h -+++ b/drivers/scsi/lpfc/lpfc_ids.h -@@ -24,6 +24,7 @@ - #include <linux/pci.h> - - const struct pci_device_id lpfc_id_table[] = { -+#ifndef CONFIG_RHEL_DIFFERENCES - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, -@@ -54,14 +55,19 @@ const struct pci_device_id lpfc_id_table[] = { - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, - PCI_ANY_ID, PCI_ANY_ID, }, -+#endif - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, - PCI_ANY_ID, PCI_ANY_ID, }, -+#ifndef CONFIG_RHEL_DIFFERENCES - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, - PCI_ANY_ID, PCI_ANY_ID, }, -+#endif - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, - PCI_ANY_ID, PCI_ANY_ID, }, -+#ifndef CONFIG_RHEL_DIFFERENCES - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET, - PCI_ANY_ID, PCI_ANY_ID, }, -+#endif - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, -@@ -70,6 +76,7 @@ const struct pci_device_id lpfc_id_table[] = { - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, - PCI_ANY_ID, PCI_ANY_ID, }, -+#ifndef CONFIG_RHEL_DIFFERENCES - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, -@@ -80,6 +87,7 @@ const struct pci_device_id lpfc_id_table[] = { - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, - PCI_ANY_ID, PCI_ANY_ID, }, -+#endif - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, -@@ -92,6 +100,7 @@ const struct pci_device_id lpfc_id_table[] = { - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, - PCI_ANY_ID, PCI_ANY_ID, }, -+#ifndef CONFIG_RHEL_DIFFERENCES - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF, -@@ -102,18 +111,23 @@ const struct pci_device_id lpfc_id_table[] = { - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_SERVERENGINE, PCI_DEVICE_ID_TOMCAT, - PCI_ANY_ID, PCI_ANY_ID, }, -+#endif - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FALCON, - PCI_ANY_ID, PCI_ANY_ID, }, -+#ifndef CONFIG_RHEL_DIFFERENCES - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BALIUS, - PCI_ANY_ID, PCI_ANY_ID, }, -+#endif - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC, - PCI_ANY_ID, PCI_ANY_ID, }, -+#ifndef CONFIG_RHEL_DIFFERENCES - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF, - PCI_ANY_ID, PCI_ANY_ID, }, -+#endif - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_G6_FC, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_G7_FC, -diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c -index aeb95f409826..68a999b02009 100644 ---- a/drivers/scsi/megaraid/megaraid_sas_base.c -+++ b/drivers/scsi/megaraid/megaraid_sas_base.c -@@ -149,6 +149,7 @@ megasas_set_ld_removed_by_fw(struct megasas_instance *instance); - */ - static struct pci_device_id megasas_pci_table[] = { - -+#ifndef CONFIG_RHEL_DIFFERENCES - {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064R)}, - /* xscale IOP */ - {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078R)}, -@@ -157,16 +158,19 @@ static struct pci_device_id megasas_pci_table[] = { - /* ppc IOP */ - {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078GEN2)}, - /* gen2*/ -+#endif - {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0079GEN2)}, - /* gen2*/ - {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0073SKINNY)}, - /* skinny*/ - {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0071SKINNY)}, - /* skinny*/ -+#ifndef CONFIG_RHEL_DIFFERENCES - {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VERDE_ZCR)}, - /* xscale IOP, vega */ - {PCI_DEVICE(PCI_VENDOR_ID_DELL, PCI_DEVICE_ID_DELL_PERC5)}, - /* xscale IOP */ -+#endif - {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FUSION)}, - /* Fusion */ - {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_PLASMA)}, -diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c -index 00792767c620..2ee890521ed7 100644 ---- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c -+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c -@@ -12605,6 +12605,7 @@ bool scsih_ncq_prio_supp(struct scsi_device *sdev) - * The pci device ids are defined in mpi/mpi2_cnfg.h. - */ - static const struct pci_device_id mpt3sas_pci_table[] = { -+#ifndef CONFIG_RHEL_DIFFERENCES - /* Spitfire ~ 2004 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, - PCI_ANY_ID, PCI_ANY_ID }, -@@ -12623,6 +12624,7 @@ static const struct pci_device_id mpt3sas_pci_table[] = { - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, - PCI_ANY_ID, PCI_ANY_ID }, -+#endif - /* Thunderbolt ~ 2208 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, - PCI_ANY_ID, PCI_ANY_ID }, -@@ -12647,9 +12649,11 @@ static const struct pci_device_id mpt3sas_pci_table[] = { - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP_1, - PCI_ANY_ID, PCI_ANY_ID }, -+#ifndef CONFIG_RHEL_DIFFERENCES - /* SSS6200 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200, - PCI_ANY_ID, PCI_ANY_ID }, -+#endif - /* Fury ~ 3004 and 3008 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004, - PCI_ANY_ID, PCI_ANY_ID }, -diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c -index abcd30917263..3f0b22e61350 100644 ---- a/drivers/scsi/qla2xxx/qla_os.c -+++ b/drivers/scsi/qla2xxx/qla_os.c -@@ -7937,6 +7937,7 @@ static const struct pci_error_handlers qla2xxx_err_handler = { - }; - - static struct pci_device_id qla2xxx_pci_tbl[] = { -+#ifndef CONFIG_RHEL_DIFFERENCES - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) }, - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) }, - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) }, -@@ -7949,13 +7950,18 @@ static struct pci_device_id qla2xxx_pci_tbl[] = { - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) }, - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, -+#endif - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) }, - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) }, -+#ifndef CONFIG_RHEL_DIFFERENCES - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) }, - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) }, -+#endif - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) }, -+#ifndef CONFIG_RHEL_DIFFERENCES - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) }, - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) }, -+#endif - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) }, - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) }, - { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) }, -diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c -index 8987acc24dac..5013d52a7211 100644 ---- a/drivers/scsi/qla4xxx/ql4_os.c -+++ b/drivers/scsi/qla4xxx/ql4_os.c -@@ -9855,6 +9855,7 @@ static struct pci_device_id qla4xxx_pci_tbl[] = { - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - }, -+#ifndef CONFIG_RHEL_DIFFERENCES - { - .vendor = PCI_VENDOR_ID_QLOGIC, - .device = PCI_DEVICE_ID_QLOGIC_ISP8022, -@@ -9873,6 +9874,7 @@ static struct pci_device_id qla4xxx_pci_tbl[] = { - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - }, -+#endif - {0, 0}, - }; - MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); -diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c -index 00070a8a6507..e9e0ffa990cd 100644 ---- a/drivers/usb/core/hub.c -+++ b/drivers/usb/core/hub.c -@@ -5666,6 +5666,13 @@ static void hub_event(struct work_struct *work) - (u16) hub->change_bits[0], - (u16) hub->event_bits[0]); - -+ /* Don't disconnect USB-SATA on TrimSlice */ -+ if (strcmp(dev_name(hdev->bus->controller), "tegra-ehci.0") == 0) { -+ if ((hdev->state == 7) && (hub->change_bits[0] == 0) && -+ (hub->event_bits[0] == 0x2)) -+ hub->event_bits[0] = 0; -+ } -+ - /* Lock the device, then check to see if we were - * disconnected while waiting for the lock to succeed. */ - usb_lock_device(hdev); -diff --git a/fs/ext4/super.c b/fs/ext4/super.c -index 4e33b5eca694..b480ca4934de 100644 ---- a/fs/ext4/super.c -+++ b/fs/ext4/super.c -@@ -4304,6 +4304,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) - set_bit(EXT4_FLAGS_BDEV_IS_DAX, &sbi->s_ext4_flags); - - if (sbi->s_mount_opt & EXT4_MOUNT_DAX_ALWAYS) { -+ static bool printed = false; - if (ext4_has_feature_inline_data(sb)) { - ext4_msg(sb, KERN_ERR, "Cannot use DAX on a filesystem" - " that may contain inline data"); -@@ -4314,6 +4315,10 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) - "DAX unsupported by block device."); - goto failed_mount; - } -+ if (!printed) { -+ mark_tech_preview("ext4 direct access (dax)", NULL); -+ printed = true; -+ } - } - - if (ext4_has_feature_encrypt(sb) && es->s_encryption_level) { -diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c -index 778b57b1f020..2a152330076d 100644 ---- a/fs/xfs/xfs_super.c -+++ b/fs/xfs/xfs_super.c -@@ -1594,6 +1594,7 @@ xfs_fs_fill_super( - - if (xfs_has_dax_always(mp)) { - bool rtdev_is_dax = false, datadev_is_dax; -+ static bool printed = false; - - xfs_warn(mp, - "DAX enabled. Warning: EXPERIMENTAL, use at your own risk"); -@@ -1613,6 +1614,10 @@ xfs_fs_fill_super( - error = -EINVAL; - goto out_filestream_unmount; - } -+ if (!printed) { -+ mark_tech_preview("xfs direct access (dax)", NULL); -+ printed = true; -+ } - } - - if (xfs_has_discard(mp)) { -diff --git a/include/linux/efi.h b/include/linux/efi.h -index ef8dbc0a1522..836a5dfc6156 100644 ---- a/include/linux/efi.h -+++ b/include/linux/efi.h -@@ -43,6 +43,8 @@ - #define EFI_ABORTED (21 | (1UL << (BITS_PER_LONG-1))) - #define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG-1))) - -+#define EFI_IS_ERROR(x) ((x) & (1UL << (BITS_PER_LONG-1))) -+ - typedef unsigned long efi_status_t; - typedef u8 efi_bool_t; - typedef u16 efi_char16_t; /* UNICODE character */ -@@ -783,6 +785,14 @@ extern int __init efi_setup_pcdp_console(char *); - #define EFI_MEM_ATTR 10 /* Did firmware publish an EFI_MEMORY_ATTRIBUTES table? */ - #define EFI_MEM_NO_SOFT_RESERVE 11 /* Is the kernel configured to ignore soft reservations? */ - #define EFI_PRESERVE_BS_REGIONS 12 /* Are EFI boot-services memory segments available? */ -+#define EFI_SECURE_BOOT 13 /* Are we in Secure Boot mode? */ -+ -+enum efi_secureboot_mode { -+ efi_secureboot_mode_unset, -+ efi_secureboot_mode_unknown, -+ efi_secureboot_mode_disabled, -+ efi_secureboot_mode_enabled, -+}; - - #ifdef CONFIG_EFI - /* -@@ -794,6 +804,8 @@ static inline bool efi_enabled(int feature) - } - extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused); - -+extern void __init efi_set_secure_boot(enum efi_secureboot_mode mode); -+ - bool __pure __efi_soft_reserve_enabled(void); - - static inline bool __pure efi_soft_reserve_enabled(void) -@@ -814,6 +826,8 @@ static inline bool efi_enabled(int feature) - static inline void - efi_reboot(enum reboot_mode reboot_mode, const char *__unused) {} - -+static inline void efi_set_secure_boot(enum efi_secureboot_mode mode) {} -+ - static inline bool efi_soft_reserve_enabled(void) - { - return false; -@@ -826,6 +840,7 @@ static inline bool efi_rt_services_supported(unsigned int mask) - #endif - - extern int efi_status_to_err(efi_status_t status); -+extern const char *efi_status_to_str(efi_status_t status); - - /* - * Variable Attributes -@@ -1078,13 +1093,6 @@ static inline bool efi_runtime_disabled(void) { return true; } - extern void efi_call_virt_check_flags(unsigned long flags, const char *call); - extern unsigned long efi_call_virt_save_flags(void); - --enum efi_secureboot_mode { -- efi_secureboot_mode_unset, -- efi_secureboot_mode_unknown, -- efi_secureboot_mode_disabled, -- efi_secureboot_mode_enabled, --}; -- - static inline - enum efi_secureboot_mode efi_get_secureboot_mode(efi_get_variable_t *get_var) - { -diff --git a/include/linux/kernel.h b/include/linux/kernel.h -index 77755ac3e189..e236de3f9073 100644 ---- a/include/linux/kernel.h -+++ b/include/linux/kernel.h -@@ -495,4 +495,23 @@ static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { } - /* OTHER_WRITABLE? Generally considered a bad idea. */ \ - BUILD_BUG_ON_ZERO((perms) & 2) + \ - (perms)) -+ -+struct module; -+ -+#ifdef CONFIG_RHEL_DIFFERENCES -+void mark_hardware_unmaintained(const char *driver_name, char *fmt, ...); -+void mark_driver_unmaintained(const char *driver_name); -+void mark_hardware_deprecated(const char *driver_name, char *fmt, ...); -+void mark_driver_deprecated(const char *driver_name); -+void mark_hardware_disabled(const char *driver_name, char *fmt, ...); -+void mark_tech_preview(const char *msg, struct module *mod); -+#else -+static inline void mark_hardware_unsupported(const char *driver_name, char *fmt, ...) { } -+static inline void mark_driver_unmaintained(const char *driver_name) { } -+static inline void mark_hardware_deprecated(const char *driver_name, char *fmt, ...) { } -+static inline void mark_driver_deprecated(const char *driver_name) { } -+static inline void mark_hardware_disabled(const char *driver_name, char *fmt, ...) { } -+static inline void mark_tech_preview(const char *msg, struct module *mod) { } -+#endif -+ - #endif -diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h -index df8de62f4710..f4bbbeb1623a 100644 ---- a/include/linux/lsm_hook_defs.h -+++ b/include/linux/lsm_hook_defs.h -@@ -395,6 +395,8 @@ LSM_HOOK(void, LSM_RET_VOID, bpf_prog_free_security, struct bpf_prog_aux *aux) - #endif /* CONFIG_BPF_SYSCALL */ - - LSM_HOOK(int, 0, locked_down, enum lockdown_reason what) -+LSM_HOOK(int, 0, lock_kernel_down, const char *where, enum lockdown_reason level) -+ - - #ifdef CONFIG_PERF_EVENTS - LSM_HOOK(int, 0, perf_event_open, struct perf_event_attr *attr, int type) -diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h -index d45b6f6e27fd..70622b506461 100644 ---- a/include/linux/lsm_hooks.h -+++ b/include/linux/lsm_hooks.h -@@ -1548,6 +1548,12 @@ - * - * @what: kernel feature being accessed - * -+ * @lock_kernel_down -+ * Put the kernel into lock-down mode. -+ * -+ * @where: Where the lock-down is originating from (e.g. command line option) -+ * @level: The lock-down level (can only increase) -+ * - * Security hooks for perf events - * - * @perf_event_open: -diff --git a/include/linux/module.h b/include/linux/module.h -index c9f1200b2312..8ebb51f34be4 100644 ---- a/include/linux/module.h -+++ b/include/linux/module.h -@@ -380,6 +380,7 @@ struct module { - struct module_attribute *modinfo_attrs; - const char *version; - const char *srcversion; -+ const char *rhelversion; - struct kobject *holders_dir; - - /* Exported symbols */ -diff --git a/include/linux/panic.h b/include/linux/panic.h -index f5844908a089..901d51012738 100644 ---- a/include/linux/panic.h -+++ b/include/linux/panic.h -@@ -74,7 +74,24 @@ static inline void set_arch_panic_timeout(int timeout, int arch_default_timeout) - #define TAINT_LIVEPATCH 15 - #define TAINT_AUX 16 - #define TAINT_RANDSTRUCT 17 --#define TAINT_FLAGS_COUNT 18 -+/* Start of Red Hat-specific taint flags */ -+#define TAINT_18 18 -+#define TAINT_19 19 -+#define TAINT_20 20 -+#define TAINT_21 21 -+#define TAINT_22 22 -+#define TAINT_23 23 -+#define TAINT_24 24 -+#define TAINT_25 25 -+#define TAINT_26 26 -+#define TAINT_SUPPORT_REMOVED 27 -+/* Bits 28 - 31 are reserved for Red Hat use only */ -+#define TAINT_RESERVED28 28 -+#define TAINT_RESERVED29 29 -+#define TAINT_RESERVED30 30 -+#define TAINT_UNPRIVILEGED_BPF 31 -+/* End of Red Hat-specific taint flags */ -+#define TAINT_FLAGS_COUNT 32 - #define TAINT_FLAGS_MAX ((1UL << TAINT_FLAGS_COUNT) - 1) - - struct taint_flag { -diff --git a/include/linux/pci.h b/include/linux/pci.h -index 18a75c8e615c..8cc24460267e 100644 ---- a/include/linux/pci.h -+++ b/include/linux/pci.h -@@ -1478,6 +1478,22 @@ int pci_add_dynid(struct pci_driver *drv, - unsigned long driver_data); - const struct pci_device_id *pci_match_id(const struct pci_device_id *ids, - struct pci_dev *dev); -+ -+#ifdef CONFIG_RHEL_DIFFERENCES -+const struct pci_device_id *pci_hw_deprecated(const struct pci_device_id *ids, -+ struct pci_dev *dev); -+const struct pci_device_id *pci_hw_unmaintained(const struct pci_device_id *ids, -+ struct pci_dev *dev); -+const struct pci_device_id *pci_hw_disabled(const struct pci_device_id *ids, -+ struct pci_dev *dev); -+#else -+static inline const struct pci_device_id *pci_hw_deprecated(const struct pci_device_id *ids, -+ struct pci_dev *dev) { return NULL; } -+static inline const struct pci_device_id *pci_hw_unmaintained(const struct pci_device_id *ids, -+ struct pci_dev *dev) { return NULL; } -+static inline const struct pci_device_id *pci_hw_disabled(const struct pci_device_id *ids, -+ struct pci_dev *dev) {return NULL; } -+#endif - int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, - int pass); - -diff --git a/include/linux/random.h b/include/linux/random.h -index f45b8be3e3c4..7ccdec68b789 100644 ---- a/include/linux/random.h -+++ b/include/linux/random.h -@@ -14,6 +14,11 @@ - - #include <uapi/linux/random.h> - -+struct random_extrng { -+ ssize_t (*extrng_read)(void __user *buf, size_t buflen); -+ struct module *owner; -+}; -+ - struct random_ready_callback { - struct list_head list; - void (*func)(struct random_ready_callback *rdy); -@@ -44,6 +49,8 @@ extern bool rng_is_initialized(void); - extern int add_random_ready_callback(struct random_ready_callback *rdy); - extern void del_random_ready_callback(struct random_ready_callback *rdy); - extern int __must_check get_random_bytes_arch(void *buf, int nbytes); -+void random_register_extrng(const struct random_extrng *rng); -+void random_unregister_extrng(void); - - #ifndef MODULE - extern const struct file_operations random_fops, urandom_fops; -diff --git a/include/linux/rh_kabi.h b/include/linux/rh_kabi.h -new file mode 100644 -index 000000000000..ea9c136bf884 ---- /dev/null -+++ b/include/linux/rh_kabi.h -@@ -0,0 +1,297 @@ -+/* -+ * rh_kabi.h - Red Hat kABI abstraction header -+ * -+ * Copyright (c) 2014 Don Zickus -+ * Copyright (c) 2015-2018 Jiri Benc -+ * Copyright (c) 2015 Sabrina Dubroca, Hannes Frederic Sowa -+ * Copyright (c) 2016-2018 Prarit Bhargava -+ * Copyright (c) 2017 Paolo Abeni, Larry Woodman -+ * -+ * This file is released under the GPLv2. -+ * See the file COPYING for more details. -+ * -+ * These kabi macros hide the changes from the kabi checker and from the -+ * process that computes the exported symbols' checksums. -+ * They have 2 variants: one (defined under __GENKSYMS__) used when -+ * generating the checksums, and the other used when building the kernel's -+ * binaries. -+ * -+ * The use of these macros does not guarantee that the usage and modification -+ * of code is correct. As with all Red Hat only changes, an engineer must -+ * explain why the use of the macro is valid in the patch containing the -+ * changes. -+ * -+ */ -+ -+#ifndef _LINUX_RH_KABI_H -+#define _LINUX_RH_KABI_H -+ -+#include <linux/compiler.h> -+#include <linux/stringify.h> -+ -+/* -+ * RH_KABI_CONST -+ * Adds a new const modifier to a function parameter preserving the old -+ * checksum. -+ * -+ * RH_KABI_DEPRECATE -+ * Mark the element as deprecated and make it unusable by modules while -+ * preserving kABI checksums. -+ * -+ * RH_KABI_DEPRECATE_FN -+ * Mark the function pointer as deprecated and make it unusable by modules -+ * while preserving kABI checksums. -+ * -+ * RH_KABI_EXTEND -+ * Simple macro for adding a new element to a struct. -+ * -+ * RH_KABI_EXTEND_WITH_SIZE -+ * Adds a new element (usually a struct) to a struct and reserves extra -+ * space for the new element. The provided 'size' is the total space to -+ * be added in longs (i.e. it's 8 * 'size' bytes), including the size of -+ * the added element. It is automatically checked that the new element -+ * does not overflow the reserved space, now nor in the future. However, -+ * no attempt is done to check the content of the added element (struct) -+ * for kABI conformance - kABI checking inside the added element is -+ * effectively switched off. -+ * For any struct being added by RH_KABI_EXTEND_WITH_SIZE, it is -+ * recommended its content to be documented as not covered by kABI -+ * guarantee. -+ * -+ * RH_KABI_FILL_HOLE -+ * Simple macro for filling a hole in a struct. -+ * -+ * Warning: only use if a hole exists for _all_ arches. Use pahole to verify. -+ * -+ * RH_KABI_RENAME -+ * Simple macro for renaming an element without changing its type. This -+ * macro can be used in bitfields, for example. -+ * -+ * NOTE: does not include the final ';' -+ * -+ * RH_KABI_REPLACE -+ * Simple replacement of _orig with a union of _orig and _new. -+ * -+ * The RH_KABI_REPLACE* macros attempt to add the ability to use the '_new' -+ * element while preserving size alignment with the '_orig' element. -+ * -+ * The #ifdef __GENKSYMS__ preserves the kABI agreement, while the anonymous -+ * union structure preserves the size alignment (assuming the '_new' element -+ * is not bigger than the '_orig' element). -+ * -+ * RH_KABI_REPLACE_UNSAFE -+ * Unsafe version of RH_KABI_REPLACE. Only use for typedefs. -+ * -+ * RH_KABI_FORCE_CHANGE -+ * Force change of the symbol checksum. The argument of the macro is a -+ * version for cases we need to do this more than once. -+ * -+ * This macro does the opposite: it changes the symbol checksum without -+ * actually changing anything about the exported symbol. It is useful for -+ * symbols that are not whitelisted, we're changing them in an -+ * incompatible way and want to prevent 3rd party modules to silently -+ * corrupt memory. Instead, by changing the symbol checksum, such modules -+ * won't be loaded by the kernel. This macro should only be used as a -+ * last resort when all other KABI workarounds have failed. -+ * -+ * RH_KABI_EXCLUDE -+ * !!! WARNING: DANGEROUS, DO NOT USE unless you are aware of all the !!! -+ * !!! implications. This should be used ONLY EXCEPTIONALLY and only !!! -+ * !!! under specific circumstances. Very likely, this macro does not !!! -+ * !!! do what you expect it to do. Note that any usage of this macro !!! -+ * !!! MUST be paired with a RH_KABI_FORCE_CHANGE annotation of !!! -+ * !!! a suitable symbol (or an equivalent safeguard) and the commit !!! -+ * !!! log MUST explain why the chosen solution is appropriate. !!! -+ * -+ * Exclude the element from checksum generation. Any such element is -+ * considered not to be part of the kABI whitelist and may be changed at -+ * will. Note however that it's the responsibility of the developer -+ * changing the element to ensure 3rd party drivers using this element -+ * won't panic, for example by not allowing them to be loaded. That can -+ * be achieved by changing another, non-whitelisted symbol they use, -+ * either by nature of the change or by using RH_KABI_FORCE_CHANGE. -+ * -+ * Also note that any change to the element must preserve its size. Change -+ * of the size is not allowed and would constitute a silent kABI breakage. -+ * Beware that the RH_KABI_EXCLUDE macro does not do any size checks. -+ * -+ * NOTE -+ * Don't use ';' after these macros as it messes up the kABI checker by -+ * changing what the resulting token string looks like. Instead let this -+ * macro add the ';' so it can be properly hidden from the kABI checker -+ * (mainly for RH_KABI_EXTEND, but applied to all macros for uniformity). -+ * -+ */ -+#ifdef __GENKSYMS__ -+ -+# define RH_KABI_CONST -+# define RH_KABI_EXTEND(_new) -+# define RH_KABI_FILL_HOLE(_new) -+# define RH_KABI_FORCE_CHANGE(ver) __attribute__((rh_kabi_change ## ver)) -+# define RH_KABI_RENAME(_orig, _new) _orig -+ -+# define _RH_KABI_DEPRECATE(_type, _orig) _type _orig -+# define _RH_KABI_DEPRECATE_FN(_type, _orig, _args...) _type (*_orig)(_args) -+# define _RH_KABI_REPLACE(_orig, _new) _orig -+# define _RH_KABI_REPLACE_UNSAFE(_orig, _new) _orig -+# define _RH_KABI_EXCLUDE(_elem) -+ -+#else -+ -+# define RH_KABI_ALIGN_WARNING ". Disable CONFIG_RH_KABI_SIZE_ALIGN_CHECKS if debugging." -+ -+# define RH_KABI_CONST const -+# define RH_KABI_EXTEND(_new) _new; -+# define RH_KABI_FILL_HOLE(_new) _new; -+# define RH_KABI_FORCE_CHANGE(ver) -+# define RH_KABI_RENAME(_orig, _new) _new -+ -+ -+#if IS_BUILTIN(CONFIG_RH_KABI_SIZE_ALIGN_CHECKS) -+# define __RH_KABI_CHECK_SIZE_ALIGN(_orig, _new) \ -+ union { \ -+ _Static_assert(sizeof(struct{_new;}) <= sizeof(struct{_orig;}), \ -+ __FILE__ ":" __stringify(__LINE__) ": " __stringify(_new) " is larger than " __stringify(_orig) RH_KABI_ALIGN_WARNING); \ -+ _Static_assert(__alignof__(struct{_new;}) <= __alignof__(struct{_orig;}), \ -+ __FILE__ ":" __stringify(__LINE__) ": " __stringify(_orig) " is not aligned the same as " __stringify(_new) RH_KABI_ALIGN_WARNING); \ -+ } -+# define __RH_KABI_CHECK_SIZE(_item, _size) \ -+ _Static_assert(sizeof(struct{_item;}) <= _size, \ -+ __FILE__ ":" __stringify(__LINE__) ": " __stringify(_item) " is larger than the reserved size (" __stringify(_size) " bytes)" RH_KABI_ALIGN_WARNING) -+#else -+# define __RH_KABI_CHECK_SIZE_ALIGN(_orig, _new) -+# define __RH_KABI_CHECK_SIZE(_item, _size) -+#endif -+ -+#define RH_KABI_UNIQUE_ID __PASTE(rh_kabi_hidden_, __LINE__) -+ -+# define _RH_KABI_DEPRECATE(_type, _orig) _type rh_reserved_##_orig -+# define _RH_KABI_DEPRECATE_FN(_type, _orig, _args...) \ -+ _type (* rh_reserved_##_orig)(_args) -+# define _RH_KABI_REPLACE(_orig, _new) \ -+ union { \ -+ _new; \ -+ struct { \ -+ _orig; \ -+ } RH_KABI_UNIQUE_ID; \ -+ __RH_KABI_CHECK_SIZE_ALIGN(_orig, _new); \ -+ } -+# define _RH_KABI_REPLACE_UNSAFE(_orig, _new) _new -+ -+# define _RH_KABI_EXCLUDE(_elem) _elem -+ -+#endif /* __GENKSYMS__ */ -+ -+/* semicolon added wrappers for the RH_KABI_REPLACE macros */ -+# define RH_KABI_DEPRECATE(_type, _orig) _RH_KABI_DEPRECATE(_type, _orig); -+# define RH_KABI_DEPRECATE_FN(_type, _orig, _args...) \ -+ _RH_KABI_DEPRECATE_FN(_type, _orig, _args); -+# define RH_KABI_REPLACE(_orig, _new) _RH_KABI_REPLACE(_orig, _new); -+# define RH_KABI_REPLACE_UNSAFE(_orig, _new) _RH_KABI_REPLACE_UNSAFE(_orig, _new); -+/* -+ * Macro for breaking up a random element into two smaller chunks using an -+ * anonymous struct inside an anonymous union. -+ */ -+# define RH_KABI_REPLACE2(orig, _new1, _new2) RH_KABI_REPLACE(orig, struct{ _new1; _new2;}) -+ -+# define RH_KABI_RESERVE(n) _RH_KABI_RESERVE(n); -+/* -+ * Simple wrappers to replace standard Red Hat reserved elements. -+ */ -+# define RH_KABI_USE(n, _new) RH_KABI_REPLACE(_RH_KABI_RESERVE(n), _new) -+/* -+ * Macros for breaking up a reserved element into two smaller chunks using -+ * an anonymous struct inside an anonymous union. -+ */ -+# define RH_KABI_USE2(n, _new1, _new2) RH_KABI_REPLACE(_RH_KABI_RESERVE(n), struct{ _new1; _new2; }) -+ -+/* -+ * We tried to standardize on Red Hat reserved names. These wrappers -+ * leverage those common names making it easier to read and find in the -+ * code. -+ */ -+# define _RH_KABI_RESERVE(n) unsigned long rh_reserved##n -+ -+#define RH_KABI_EXCLUDE(_elem) _RH_KABI_EXCLUDE(_elem); -+ -+/* -+ * Extending a struct while reserving extra space. -+ */ -+#define RH_KABI_EXTEND_WITH_SIZE(_new, _size) \ -+ RH_KABI_EXTEND(union { \ -+ _new; \ -+ unsigned long RH_KABI_UNIQUE_ID[_size]; \ -+ __RH_KABI_CHECK_SIZE(_new, 8 * (_size)); \ -+ }) -+ -+/* -+ * RHEL macros to extend structs. -+ * -+ * base struct: The struct being extended. For example, pci_dev. -+ * extended struct: The Red Hat struct being added to the base struct. -+ * For example, pci_dev_rh. -+ * -+ * These macros should be used to extend structs before KABI freeze. -+ * They can be used post-KABI freeze in the limited case of the base -+ * struct not being embedded in another struct. -+ * -+ * Extended structs cannot be shrunk in size as changes will break -+ * the size & offset comparison. -+ * -+ * Extended struct elements are not guaranteed for access by modules unless -+ * explicitly commented as such in the declaration of the extended struct or -+ * the element in the extended struct. -+ */ -+ -+/* -+ * RH_KABI_SIZE_AND_EXTEND|_PTR() extends a struct by embedding or adding -+ * a pointer in a base struct. The name of the new struct is the name -+ * of the base struct appended with _rh. -+ */ -+#define _RH_KABI_SIZE_AND_EXTEND_PTR(_struct) \ -+ size_t _struct##_size_rh; \ -+ RH_KABI_EXCLUDE(struct _struct##_rh *_struct##_rh) -+#define RH_KABI_SIZE_AND_EXTEND_PTR(_struct) \ -+ _RH_KABI_SIZE_AND_EXTEND_PTR(_struct) -+ -+#define _RH_KABI_SIZE_AND_EXTEND(_struct) \ -+ size_t _struct##_size_rh; \ -+ RH_KABI_EXCLUDE(struct _struct##_rh _struct##_rh) -+#define RH_KABI_SIZE_AND_EXTEND(_struct) \ -+ _RH_KABI_SIZE_AND_EXTEND(_struct) -+ -+/* -+ * RH_KABI_SET_SIZE calculates and sets the size of the extended struct and -+ * stores it in the size_rh field for structs that are dynamically allocated. -+ * This macro MUST be called when expanding a base struct with -+ * RH_KABI_SIZE_AND_EXTEND, and it MUST be called from the allocation site -+ * regardless of being allocated in the kernel or a module. -+ * Note: since this macro is intended to be invoked outside of a struct, -+ * a semicolon is necessary at the end of the line where it is invoked. -+ */ -+#define RH_KABI_SET_SIZE(_name, _struct) ({ \ -+ _name->_struct##_size_rh = sizeof(struct _struct##_rh); \ -+}) -+ -+/* -+ * RH_KABI_INIT_SIZE calculates and sets the size of the extended struct and -+ * stores it in the size_rh field for structs that are statically allocated. -+ * This macro MUST be called when expanding a base struct with -+ * RH_KABI_SIZE_AND_EXTEND, and it MUST be called from the declaration site -+ * regardless of being allocated in the kernel or a module. -+ */ -+#define RH_KABI_INIT_SIZE(_struct) \ -+ ._struct##_size_rh = sizeof(struct _struct##_rh), -+ -+/* -+ * RH_KABI_CHECK_EXT verifies allocated memory exists. This MUST be called to -+ * verify that memory in the _rh struct is valid, and can be called -+ * regardless if RH_KABI_SIZE_AND_EXTEND or RH_KABI_SIZE_AND_EXTEND_PTR is -+ * used. -+ */ -+#define RH_KABI_CHECK_EXT(_ptr, _struct, _field) ({ \ -+ size_t __off = offsetof(struct _struct##_rh, _field); \ -+ _ptr->_struct##_size_rh > __off ? true : false; \ -+}) -+ -+#endif /* _LINUX_RH_KABI_H */ -diff --git a/include/linux/rmi.h b/include/linux/rmi.h -index ab7eea01ab42..fff7c5f737fc 100644 ---- a/include/linux/rmi.h -+++ b/include/linux/rmi.h -@@ -364,6 +364,7 @@ struct rmi_driver_data { - - struct rmi4_attn_data attn_data; - DECLARE_KFIFO(attn_fifo, struct rmi4_attn_data, 16); -+ struct work_struct attn_work; - }; - - int rmi_register_transport_device(struct rmi_transport_dev *xport); -diff --git a/include/linux/security.h b/include/linux/security.h -index bbf44a466832..026a06b98a96 100644 ---- a/include/linux/security.h -+++ b/include/linux/security.h -@@ -473,6 +473,7 @@ int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen); - int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen); - int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen); - int security_locked_down(enum lockdown_reason what); -+int security_lock_kernel_down(const char *where, enum lockdown_reason level); - #else /* CONFIG_SECURITY */ - - static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data) -@@ -1355,6 +1356,10 @@ static inline int security_locked_down(enum lockdown_reason what) - { - return 0; - } -+static inline int security_lock_kernel_down(const char *where, enum lockdown_reason level) -+{ -+ return 0; -+} - #endif /* CONFIG_SECURITY */ - - #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE) -diff --git a/init/Kconfig b/init/Kconfig -index 4b7bac10c72d..6c356cf804b4 100644 ---- a/init/Kconfig -+++ b/init/Kconfig -@@ -1653,7 +1653,7 @@ config AIO - this option saves about 7k. - - config IO_URING -- bool "Enable IO uring support" if EXPERT -+ bool "Enable IO uring support" - select IO_WQ - default y - help -diff --git a/kernel/Makefile b/kernel/Makefile -index 186c49582f45..aa60b06d3cf7 100644 ---- a/kernel/Makefile -+++ b/kernel/Makefile -@@ -12,6 +12,7 @@ obj-y = fork.o exec_domain.o panic.o \ - notifier.o ksysfs.o cred.o reboot.o \ - async.o range.o smpboot.o ucount.o regset.o - -+obj-$(CONFIG_RHEL_DIFFERENCES) += rh_messages.o - obj-$(CONFIG_USERMODE_DRIVER) += usermode_driver.o - obj-$(CONFIG_MODULES) += kmod.o - obj-$(CONFIG_MULTIUSER) += groups.o -diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c -index 1033ee8c0caf..f2e6d22a5645 100644 ---- a/kernel/bpf/syscall.c -+++ b/kernel/bpf/syscall.c -@@ -24,6 +24,7 @@ - #include <linux/ctype.h> - #include <linux/nospec.h> - #include <linux/audit.h> -+#include <linux/init.h> - #include <uapi/linux/btf.h> - #include <linux/pgtable.h> - #include <linux/bpf_lsm.h> -@@ -50,6 +51,23 @@ static DEFINE_SPINLOCK(map_idr_lock); - static DEFINE_IDR(link_idr); - static DEFINE_SPINLOCK(link_idr_lock); - -+static int __init unprivileged_bpf_setup(char *str) -+{ -+ unsigned long disabled; -+ if (!kstrtoul(str, 0, &disabled)) -+ sysctl_unprivileged_bpf_disabled = !!disabled; -+ -+ if (!sysctl_unprivileged_bpf_disabled) { -+ pr_warn("Unprivileged BPF has been enabled " -+ "(unprivileged_bpf_disabled=0 has been supplied " -+ "in boot parameters), tainting the kernel"); -+ add_taint(TAINT_UNPRIVILEGED_BPF, LOCKDEP_STILL_OK); -+ } -+ -+ return 1; -+} -+__setup("unprivileged_bpf_disabled=", unprivileged_bpf_setup); -+ - int sysctl_unprivileged_bpf_disabled __read_mostly = - IS_BUILTIN(CONFIG_BPF_UNPRIV_DEFAULT_OFF) ? 2 : 0; - -diff --git a/kernel/module.c b/kernel/module.c -index 84a9141a5e15..d5aabc30ba8d 100644 ---- a/kernel/module.c -+++ b/kernel/module.c -@@ -743,6 +743,7 @@ static struct module_attribute modinfo_##field = { \ - - MODINFO_ATTR(version); - MODINFO_ATTR(srcversion); -+MODINFO_ATTR(rhelversion); - - static char last_unloaded_module[MODULE_NAME_LEN+1]; - -@@ -1206,6 +1207,7 @@ static struct module_attribute *modinfo_attrs[] = { - &module_uevent, - &modinfo_version, - &modinfo_srcversion, -+ &modinfo_rhelversion, - &modinfo_initstate, - &modinfo_coresize, - &modinfo_initsize, -diff --git a/kernel/module_signing.c b/kernel/module_signing.c -index 8723ae70ea1f..fb2d773498c2 100644 ---- a/kernel/module_signing.c -+++ b/kernel/module_signing.c -@@ -38,8 +38,15 @@ int mod_verify_sig(const void *mod, struct load_info *info) - modlen -= sig_len + sizeof(ms); - info->len = modlen; - -- return verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len, -+ ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len, - VERIFY_USE_SECONDARY_KEYRING, - VERIFYING_MODULE_SIGNATURE, - NULL, NULL); -+ if (ret == -ENOKEY && IS_ENABLED(CONFIG_INTEGRITY_PLATFORM_KEYRING)) { -+ ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len, -+ VERIFY_USE_PLATFORM_KEYRING, -+ VERIFYING_MODULE_SIGNATURE, -+ NULL, NULL); -+ } -+ return ret; - } -diff --git a/kernel/panic.c b/kernel/panic.c -index cefd7d82366f..ad43433c7013 100644 ---- a/kernel/panic.c -+++ b/kernel/panic.c -@@ -384,6 +384,20 @@ const struct taint_flag taint_flags[TAINT_FLAGS_COUNT] = { - [ TAINT_LIVEPATCH ] = { 'K', ' ', true }, - [ TAINT_AUX ] = { 'X', ' ', true }, - [ TAINT_RANDSTRUCT ] = { 'T', ' ', true }, -+ [ TAINT_18 ] = { '?', '-', false }, -+ [ TAINT_19 ] = { '?', '-', false }, -+ [ TAINT_20 ] = { '?', '-', false }, -+ [ TAINT_21 ] = { '?', '-', false }, -+ [ TAINT_22 ] = { '?', '-', false }, -+ [ TAINT_23 ] = { '?', '-', false }, -+ [ TAINT_24 ] = { '?', '-', false }, -+ [ TAINT_25 ] = { '?', '-', false }, -+ [ TAINT_26 ] = { '?', '-', false }, -+ [ TAINT_SUPPORT_REMOVED ] = { 'h', ' ', false }, -+ [ TAINT_RESERVED28 ] = { '?', '-', false }, -+ [ TAINT_RESERVED29 ] = { '?', '-', false }, -+ [ TAINT_RESERVED30 ] = { '?', '-', false }, -+ [ TAINT_UNPRIVILEGED_BPF ] = { 'u', ' ', false }, - }; - - /** -diff --git a/kernel/rh_messages.c b/kernel/rh_messages.c -new file mode 100644 -index 000000000000..345a979cd0e4 ---- /dev/null -+++ b/kernel/rh_messages.c -@@ -0,0 +1,179 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+ -+#define DEV_DESC_LEN 256 -+/* -+ * The following functions are used by Red Hat to indicate to users that -+ * hardware and drivers are unsupported, or have limited support in RHEL major -+ * and minor releases. These functions output loud warning messages to the end -+ * user and should be USED WITH CAUTION. -+ * -+ * Any use of these functions _MUST_ be documented in the RHEL Release Notes, -+ * and have approval of management. -+ * -+ * Generally, the process of disabling a driver or device in RHEL requires the -+ * driver or device to be marked as 'deprecated' in all existing releases, and -+ * then either 'unmaintained' or 'disabled' in a future release. -+ * -+ * In general, deprecated and unmaintained drivers continue to receive security -+ * related fixes until they are disabled. -+ */ -+ -+/** -+ * mark_hardware_unmaintained() - Mark hardware as unmaintained. -+ * @driver_name: driver name -+ * @fmt: format for device description -+ * @...: args for device description -+ * -+ * Called to notify users that the device will no longer be tested on a routine -+ * basis and driver code associated with this device is no longer being updated. -+ * Red Hat may fix security-related and critical issues. Support for this device -+ * will be disabled in a future major release and users deploying this device -+ * should plan to replace the device in production systems. -+ * -+ * This function should be used when the driver's usage can be tied to a -+ * specific hardware device. For example, a network device driver loading on a -+ * specific device that is no longer maintained by the manufacturer. -+ */ -+void mark_hardware_unmaintained(const char *driver_name, char *fmt, ...) -+{ -+ char device_description[DEV_DESC_LEN]; -+ va_list args; -+ -+ va_start(args, fmt); -+ vsnprintf(device_description, DEV_DESC_LEN, fmt, args); -+ pr_crit("Warning: Unmaintained hardware is detected: %s:%s\n", driver_name, -+ device_description); -+ va_end(args); -+} -+EXPORT_SYMBOL(mark_hardware_unmaintained); -+ -+/** -+ * mark_driver_unmaintained() - Mark a driver as unmaintained. -+ * @driver_name: driver name -+ * -+ * Called to notify users that a driver will no longer be tested on a routine -+ * basis and the driver code is no longer being updated. Red Hat may fix -+ * security-related and critical issues. Support for this driver will be -+ * disabled in a future major release, and users should replace any affected -+ * devices in production systems. -+ * -+ * This function should be used when a driver's usage cannot be tied to a -+ * specific hardware device. For example, a network bonding driver or a higher -+ * level storage layer driver that is no longer maintained upstream. -+ */ -+void mark_driver_unmaintained(const char *driver_name) -+{ -+ pr_crit("Warning: Unmaintained driver is detected: %s\n", driver_name); -+} -+EXPORT_SYMBOL(mark_driver_unmaintained); -+ -+/** -+ * mark_hardware_deprecated() - Mark hardware as deprecated. -+ * @driver_name: driver name -+ * @fmt: format for device description -+ * @...: args for device description -+ * -+ * Called to notify users that support for the device is planned to be -+ * unmaintained in a future major release, and will eventually be disabled in a -+ * future major release. This device should not be used in new production -+ * environments and users should replace the device in production systems. -+ * -+ * This function should be used when the driver's usage can be tied to a -+ * specific hardware device. For example, a network device driver loading on a -+ * specific device that is no longer maintained by the manufacturer. -+ */ -+void mark_hardware_deprecated(const char *driver_name, char *fmt, ...) -+{ -+ char device_description[DEV_DESC_LEN]; -+ va_list args; -+ -+ va_start(args, fmt); -+ vsnprintf(device_description, DEV_DESC_LEN, fmt, args); -+ pr_crit("Warning: Deprecated Hardware is detected: %s:%s will not be maintained in a future major release and may be disabled\n", -+ driver_name, device_description); -+ va_end(args); -+} -+EXPORT_SYMBOL(mark_hardware_deprecated); -+ -+/** -+ * mark_driver_deprecated() - Mark a driver as deprecated. -+ * @driver_name: driver name -+ * -+ * Called to notify users that support for this driver is planned to be -+ * unmaintained in a future major release, and will eventually be disabled in a -+ * future major release. This driver should not be used in new production -+ * environments and users should replace any affected devices in production -+ * systems. -+ * -+ * This function should be used when a driver's usage cannot be tied to a -+ * specific hardware device. For example, a network bonding driver or a higher -+ * level storage layer driver that is no longer maintained upstream. -+ */ -+void mark_driver_deprecated(const char *driver_name) -+{ -+ pr_crit("Warning: Deprecated Driver is detected: %s will not be maintained in a future major release and may be disabled\n", -+ driver_name); -+} -+EXPORT_SYMBOL(mark_driver_deprecated); -+ -+/** -+ * mark_hardware_disabled() - Mark a driver as removed. -+ * @driver_name: driver name -+ * @fmt: format for device description -+ * @...: args for device description -+ * -+ * Called to notify users that a device's support has been completely disabled -+ * and no future support updates will occur. This device cannot be used in new -+ * production environments, and users must replace the device in production -+ * systems. -+ * -+ * This function should be used when the driver's usage can be tied to a -+ * specific hardware device. For example, a network device driver loading on a -+ * specific device that is no longer maintained by the manufacturer. -+ */ -+void mark_hardware_disabled(const char *driver_name, char *fmt, ...) -+{ -+ char device_description[DEV_DESC_LEN]; -+ va_list args; -+ -+ va_start(args, fmt); -+ vsnprintf(device_description, DEV_DESC_LEN, fmt, args); -+ pr_crit("Warning: Disabled Hardware is detected: %s:%s is no longer enabled in this release.\n", -+ driver_name, device_description); -+ va_end(args); -+} -+EXPORT_SYMBOL(mark_hardware_disabled); -+ -+/** -+ * mark_tech_preview() - Mark driver or kernel subsystem as 'Tech Preview' -+ * @msg: Driver or kernel subsystem name -+ * -+ * Called to minimize the support status of a new driver. This does TAINT the -+ * kernel. Calling this function indicates that the driver or subsystem has -+ * had limited testing and is not marked for full support within this RHEL -+ * minor release. The next RHEL minor release may contain full support for -+ * this driver. Red Hat does not guarantee that bugs reported against this -+ * driver or subsystem will be resolved. -+ */ -+void mark_tech_preview(const char *msg, struct module *mod) -+{ -+ const char *str = NULL; -+ -+ if (msg) -+ str = msg; -+#ifdef CONFIG_MODULES -+ else if (mod && mod->name) -+ str = mod->name; -+#endif -+ -+ pr_warn("TECH PREVIEW: %s may not be fully supported.\n" -+ "Please review provided documentation for limitations.\n", -+ (str ? str : "kernel")); -+ add_taint(TAINT_AUX, LOCKDEP_STILL_OK); -+#ifdef CONFIG_MODULES -+ if (mod) -+ mod->taints |= (1U << TAINT_AUX); -+#endif -+} -+EXPORT_SYMBOL(mark_tech_preview); -diff --git a/kernel/sysctl.c b/kernel/sysctl.c -index 083be6af29d7..4f271712be5e 100644 ---- a/kernel/sysctl.c -+++ b/kernel/sysctl.c -@@ -243,6 +243,11 @@ static int bpf_unpriv_handler(struct ctl_table *table, int write, - if (write && !ret) { - if (locked_state && unpriv_enable != 1) - return -EPERM; -+ if (!unpriv_enable) { -+ pr_warn("Unprivileged BPF has been enabled, " -+ "tainting the kernel"); -+ add_taint(TAINT_UNPRIVILEGED_BPF, LOCKDEP_STILL_OK); -+ } - *(int *)table->data = unpriv_enable; - } - return ret; -diff --git a/mm/cma.c b/mm/cma.c -index bc9ca8f3c487..9fa9a485eb3a 100644 ---- a/mm/cma.c -+++ b/mm/cma.c -@@ -125,6 +125,12 @@ static void __init cma_activate_area(struct cma *cma) - spin_lock_init(&cma->mem_head_lock); - #endif - -+#ifdef CONFIG_RHEL_DIFFERENCES -+ /* s390x and ppc64 has been using CMA already in RHEL 8 as default. */ -+ if (!IS_ENABLED(CONFIG_S390) && !IS_ENABLED(CONFIG_PPC64)) -+ mark_tech_preview("CMA", NULL); -+#endif /* CONFIG_RHEL_DIFFERENCES */ -+ - return; - - not_in_zone: -@@ -437,6 +443,10 @@ struct page *cma_alloc(struct cma *cma, unsigned long count, - if (!cma || !cma->count || !cma->bitmap) - goto out; - -+#ifdef CONFIG_RHEL_DIFFERENCES -+ pr_info_once("Initial CMA usage detected\n"); -+#endif /* CONFIG_RHEL_DIFFERENCES */ -+ - pr_debug("%s(cma %p, count %lu, align %d)\n", __func__, (void *)cma, - count, align); - -diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c -index cb8ab7d91d30..5f13183ccc23 100644 ---- a/scripts/mod/modpost.c -+++ b/scripts/mod/modpost.c -@@ -21,6 +21,7 @@ - #include <errno.h> - #include "modpost.h" - #include "../../include/linux/license.h" -+#include "../../include/generated/uapi/linux/version.h" - - /* Are we using CONFIG_MODVERSIONS? */ - static int modversions = 0; -@@ -2351,6 +2352,12 @@ static void write_buf(struct buffer *b, const char *fname) - } - } - -+static void add_rhelversion(struct buffer *b, struct module *mod) -+{ -+ buf_printf(b, "MODULE_INFO(rhelversion, \"%d.%d\");\n", RHEL_MAJOR, -+ RHEL_MINOR); -+} -+ - static void write_if_changed(struct buffer *b, const char *fname) - { - char *tmp; -@@ -2580,6 +2587,7 @@ int main(int argc, char **argv) - add_depends(&buf, mod); - add_moddevtable(&buf, mod); - add_srcversion(&buf, mod); -+ add_rhelversion(&buf, mod); - - sprintf(fname, "%s.mod.c", mod->name); - write_if_changed(&buf, fname); -diff --git a/scripts/tags.sh b/scripts/tags.sh -index b24bfaec6290..0418ba1d33f3 100755 ---- a/scripts/tags.sh -+++ b/scripts/tags.sh -@@ -16,6 +16,8 @@ fi - ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )" - # tags and cscope files should also ignore MODVERSION *.mod.c files - ignore="$ignore ( -name *.mod.c ) -prune -o" -+# RHEL tags and cscope should also ignore redhat/rpm -+ignore="$ignore ( -path redhat/rpm ) -prune -o" - - # Use make KBUILD_ABS_SRCTREE=1 {tags|cscope} - # to force full paths for a non-O= build -diff --git a/security/integrity/platform_certs/load_uefi.c b/security/integrity/platform_certs/load_uefi.c -index f290f78c3f30..d3e7ae04f5be 100644 ---- a/security/integrity/platform_certs/load_uefi.c -+++ b/security/integrity/platform_certs/load_uefi.c -@@ -46,7 +46,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid, - return NULL; - - if (*status != EFI_BUFFER_TOO_SMALL) { -- pr_err("Couldn't get size: 0x%lx\n", *status); -+ pr_err("Couldn't get size: %s (0x%lx)\n", -+ efi_status_to_str(*status), *status); - return NULL; - } - -@@ -57,7 +58,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid, - *status = efi.get_variable(name, guid, NULL, &lsize, db); - if (*status != EFI_SUCCESS) { - kfree(db); -- pr_err("Error reading db var: 0x%lx\n", *status); -+ pr_err("Error reading db var: %s (0x%lx)\n", -+ efi_status_to_str(*status), *status); - return NULL; - } - -diff --git a/security/lockdown/Kconfig b/security/lockdown/Kconfig -index e84ddf484010..d0501353a4b9 100644 ---- a/security/lockdown/Kconfig -+++ b/security/lockdown/Kconfig -@@ -16,6 +16,19 @@ config SECURITY_LOCKDOWN_LSM_EARLY - subsystem is fully initialised. If enabled, lockdown will - unconditionally be called before any other LSMs. - -+config LOCK_DOWN_IN_EFI_SECURE_BOOT -+ bool "Lock down the kernel in EFI Secure Boot mode" -+ default n -+ depends on EFI && SECURITY_LOCKDOWN_LSM_EARLY -+ help -+ UEFI Secure Boot provides a mechanism for ensuring that the firmware -+ will only load signed bootloaders and kernels. Secure boot mode may -+ be determined from EFI variables provided by the system firmware if -+ not indicated by the boot parameters. -+ -+ Enabling this option results in kernel lockdown being triggered if -+ EFI Secure Boot is set. -+ - choice - prompt "Kernel default lockdown mode" - default LOCK_DOWN_KERNEL_FORCE_NONE -diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c -index 87cbdc64d272..18555cf18da7 100644 ---- a/security/lockdown/lockdown.c -+++ b/security/lockdown/lockdown.c -@@ -73,6 +73,7 @@ static int lockdown_is_locked_down(enum lockdown_reason what) - - static struct security_hook_list lockdown_hooks[] __lsm_ro_after_init = { - LSM_HOOK_INIT(locked_down, lockdown_is_locked_down), -+ LSM_HOOK_INIT(lock_kernel_down, lock_kernel_down), - }; - - static int __init lockdown_lsm_init(void) -diff --git a/security/security.c b/security/security.c -index c88167a414b4..e65a178ff9f4 100644 ---- a/security/security.c -+++ b/security/security.c -@@ -2600,6 +2600,12 @@ int security_locked_down(enum lockdown_reason what) - } - EXPORT_SYMBOL(security_locked_down); - -+int security_lock_kernel_down(const char *where, enum lockdown_reason level) -+{ -+ return call_int_hook(lock_kernel_down, 0, where, level); -+} -+EXPORT_SYMBOL(security_lock_kernel_down); -+ - #ifdef CONFIG_PERF_EVENTS - int security_perf_event_open(struct perf_event_attr *attr, int type) - { |