linux/arch/x86
Yazen Ghannam cfee4f6f0b x86/mce/AMD: Read MSRs on the CPU allocating the threshold blocks
Scalable MCA systems allow non-core MCA banks to only be accessible by
certain CPUs. The MSRs for these banks are Read-as-Zero on other CPUs.

During allocate_threshold_blocks(), get_block_address() can be scheduled
on CPUs other than the one allocating the block. This causes the MSRs to
be read on the wrong CPU and results in incorrect behavior.

Add a @cpu parameter to get_block_address() and pass this in to ensure
that the MSRs are only read on the CPU that is allocating the block.

Signed-off-by: Yazen Ghannam <Yazen.Ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1472673994-12235-2-git-send-email-Yazen.Ghannam@amd.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-13 15:23:08 +02:00
..
boot Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2016-08-02 16:37:12 -04:00
configs kconfig: tinyconfig: provide whole choice blocks to avoid warnings 2016-09-01 17:52:01 -07:00
crypto crypto: sha512-mb - fix ctx pointer 2016-08-16 17:09:43 +08:00
entry x86/build: Reduce the W=1 warnings noise when compiling x86 syscall tables 2016-08-10 16:05:16 +02:00
events perf/x86/intel/uncore: Add enable_box for client MSR uncore 2016-08-12 08:35:05 +02:00
ia32 mm: remove more IS_ERR_VALUE abuses 2016-05-27 15:57:31 -07:00
include x86/mce: Add support for new MCA_SYND register 2016-09-13 15:23:06 +02:00
kernel x86/mce/AMD: Read MSRs on the CPU allocating the threshold blocks 2016-09-13 15:23:08 +02:00
kvm kvm: nVMX: fix nested tsc scaling 2016-08-18 12:19:09 +02:00
lguest lguest: Read offset of device_cap later 2016-06-10 11:39:09 +02:00
lib x86/mce: Improve memcpy_mcsafe() 2016-09-05 11:47:31 +02:00
math-emu
mm treewide: replace config_enabled() with IS_ENABLED() (2nd round) 2016-08-26 17:39:35 -07:00
net bpf, x86: add support for constant blinding 2016-05-16 13:49:32 -04:00
oprofile x86/cpufeature: Replace cpu_has_apic with boot_cpu_has() usage 2016-04-13 11:37:41 +02:00
pci x86/PCI: VMD: Fix infinite loop executing irq's 2016-08-23 16:36:42 -05:00
platform Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-08-12 14:31:10 -07:00
power x86/power/64: Use __pa() for physical address computation 2016-08-16 00:39:37 +02:00
purgatory Add sancov plugin 2016-06-07 22:57:10 +02:00
ras x86/RAS: Add syndrome support to mce_amd_inj 2016-09-13 15:23:07 +02:00
realmode x86/boot: Rework reserve_real_mode() to allow multiple tries 2016-08-11 11:15:01 +02:00
tools x86/insn: Add AVX-512 support to the instruction decoder 2016-07-21 09:37:11 -03:00
um Merge branch 'for-linus-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml 2016-08-04 19:37:59 -04:00
video x86/video: Don't assume all FB devices are PCI devices 2016-03-15 11:08:26 +01:00
xen xen: change the type of xen_vcpu_id to uint32_t 2016-08-24 18:17:27 +01:00
.gitignore
Kbuild perf/x86: Move perf_event.c ............... => x86/events/core.c 2016-02-09 10:23:49 +01:00
Kconfig mm/usercopy: get rid of CONFIG_DEBUG_STRICT_USER_COPY_CHECKS 2016-08-30 10:10:21 -07:00
Kconfig.cpu
Kconfig.debug Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-03-15 09:32:27 -07:00
Makefile kbuild: abort build on bad stack protector flag 2016-07-26 16:19:19 -07:00
Makefile_32.cpu
Makefile.um