AuxXxilium/linux_dsm_epyc7002
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fb86b97300
linux_dsm_epyc7002/arch/x86/kernel/cpu
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Borislav Petkov fb86b97300 x86, microcode: Update BSPs microcode on resume 
In the situation when we apply early microcode but do *not* apply late
microcode, we fail to update the BSP's microcode on resume because we
haven't initialized the uci->mc microcode pointer. So, in order to
alleviate that, we go and dig out the stashed microcode patch during
early boot. It is basically the same thing that is done on the APs early
during boot so do that too here.

Tested-by: alex.schnaidt@gmail.com
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=88001
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: <stable@vger.kernel.org> # v3.9
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/20141118094657.GA6635@pd.tnic
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2014-11-18 18:32:24 +01:00
..
mcheck Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2014-10-15 07:48:18 +02:00
microcode x86, microcode: Update BSPs microcode on resume 2014-11-18 18:32:24 +01:00
mtrr x86: Add more disabled features 2014-09-11 14:30:17 -07:00
.gitignore
amd.c x86: kvm: use alternatives for VMCALL vs. VMMCALL if kernel text is read-only 2014-09-24 14:07:57 +02:00
bugs_64.c x86/cpu: Clean up various files a bit 2009-07-11 11:24:09 +02:00
bugs.c x86: Get rid of ->hard_math and all the FPU asm fu 2013-06-06 14:32:04 -07:00
centaur.c x86: Remove CONFIG_X86_OOSTORE 2014-03-11 10:16:18 -07:00
common.c x86: Require exact match for 'noxsave' command line option 2014-11-16 12:13:16 +01:00
cpu.h x86/cpu: Track legacy CPU model data only on 32-bit kernels 2013-10-26 13:34:39 +02:00
cyrix.c x86: Delete non-required instances of include <linux/init.h> 2014-01-06 21:25:18 -08:00
hypervisor.c x86: Correctly detect hypervisor 2013-08-05 06:35:33 -07:00
intel_cacheinfo.c arch/x86: replace strict_strto calls 2014-08-08 15:57:28 -07:00
intel.c x86: Don't enable F00F workaround on Intel Quark processors 2014-10-29 08:52:09 +01:00
Makefile perf/x86: Fix compile warnings for intel_uncore 2014-10-28 10:51:03 +01:00
match.c x86: align x86 arch with generic CPU modalias handling 2014-02-18 12:45:38 -08:00
mkcapflags.sh x86/cpufeature: Add bug flags to /proc/cpuinfo 2014-07-14 12:21:39 -07:00
mshyperv.c x86, irq, pic: Probe for legacy PIC and set legacy_pic appropriately 2014-04-14 11:49:55 -07:00
perf_event_amd_ibs.c kprobes, x86: Use NOKPROBE_SYMBOL() instead of __kprobes annotation 2014-04-24 10:26:38 +02:00
perf_event_amd_iommu.c perf/x86/amd: Do not print an error when the device is not present 2013-07-05 08:27:15 +02:00
perf_event_amd_iommu.h perf/x86/amd: AMD IOMMU Performance Counter PERF uncore PMU implementation 2013-06-19 13:04:53 +02:00
perf_event_amd_uncore.c perf/x86/amd: Try to fix some mem allocation failure handling 2014-07-16 13:31:06 +02:00
perf_event_amd.c x86: Replace __get_cpu_var uses 2014-08-26 13:45:49 -04:00
perf_event_intel_ds.c Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2014-10-15 07:48:18 +02:00
perf_event_intel_lbr.c Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2014-10-15 07:48:18 +02:00
perf_event_intel_rapl.c x86: Replace __get_cpu_var uses 2014-08-26 13:45:49 -04:00
perf_event_intel_uncore_nhmex.c perf/x86/uncore: Fix coccinelle warnings 2014-08-13 07:51:09 +02:00
perf_event_intel_uncore_snb.c perf/x86/intel/uncore: Update support for client uncore IMC PMU 2014-09-24 14:48:25 +02:00
perf_event_intel_uncore_snbep.c perf/x86/intel/uncore: Fix PCU filter setup for Sandy/Ivy/Haswell EP 2014-09-24 14:48:24 +02:00
perf_event_intel_uncore.c perf/x86/intel/uncore: Fix minor race in box set up 2014-10-03 06:02:49 +02:00
perf_event_intel_uncore.h perf/x86/intel/uncore: Add Haswell-EP uncore support 2014-09-24 14:48:21 +02:00
perf_event_intel.c perf/x86/intel: Revert incomplete and undocumented Broadwell client support 2014-10-29 11:07:58 +01:00
perf_event_knc.c x86: Replace __get_cpu_var uses 2014-08-26 13:45:49 -04:00
perf_event_p4.c x86: Replace __get_cpu_var uses 2014-08-26 13:45:49 -04:00
perf_event_p6.c perf/x86/intel/p6: Add userspace RDPMC quirk for PPro 2014-02-09 13:08:24 +01:00
perf_event.c perf/x86/intel: Revert incomplete and undocumented Broadwell client support 2014-10-29 11:07:58 +01:00
perf_event.h perf/x86/intel: Revert incomplete and undocumented Broadwell client support 2014-10-29 11:07:58 +01:00
perfctr-watchdog.c perf/x86: Add support for Intel Xeon-Phi Knights Corner PMU 2012-10-04 13:32:37 +02:00
powerflags.c update AMD powerflags comments 2013-05-28 12:02:10 +02:00
proc.c x86/cpufeature: Add bug flags to /proc/cpuinfo 2014-07-14 12:21:39 -07:00
rdrand.c x86, rdrand: When nordrand is specified, disable RDSEED as well 2014-05-11 20:25:20 -07:00
scattered.c x86/xsaves: Detect xsaves/xrstors feature 2014-05-29 14:24:28 -07:00
topology.c x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
transmeta.c x86: Delete non-required instances of include <linux/init.h> 2014-01-06 21:25:18 -08:00
umc.c x86: Delete non-required instances of include <linux/init.h> 2014-01-06 21:25:18 -08:00
vmware.c x86: Correctly detect hypervisor 2013-08-05 06:35:33 -07:00