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Boris Ostrovsky e20a2d205c x86, AMD: Fix APIC timer erratum 400 affecting K8 Rev.A-E processors 
Older AMD K8 processors (Revisions A-E) are affected by erratum
400 (APIC timer interrupts don't occur in C states greater than
C1). This, for example, means that X86_FEATURE_ARAT flag should
not be set for these parts.

This addresses regression introduced by commit
b87cf80af3 ("x86, AMD: Set ARAT
feature on AMD processors") where the system may become
unresponsive until external interrupt (such as keyboard input)
occurs. This results, for example, in time not being reported
correctly, lack of progress on the system and other lockups.

Reported-by: Joerg-Volker Peetz <jvpeetz@web.de>
Tested-by: Joerg-Volker Peetz <jvpeetz@web.de>
Acked-by: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Boris Ostrovsky <Boris.Ostrovsky@amd.com>
Cc: stable@kernel.org
Link: http://lkml.kernel.org/r/1304113663-6586-1-git-send-email-ostr@amd64.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-05-01 18:55:51 +02:00
..
cpufreq Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-03-18 10:45:21 -07:00
mcheck rcu: create new rcu_access_index() and use in mce 2011-04-01 07:27:31 -07:00
mtrr x86, mtrr, pat: Fix one cpu getting out of sync during resume 2011-03-29 16:17:42 -07:00
.gitignore
amd.c x86, AMD: Fix APIC timer erratum 400 affecting K8 Rev.A-E processors 2011-05-01 18:55:51 +02:00
bugs.c
bugs_64.c
centaur.c
common.c Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-03-15 19:49:10 -07:00
cpu.h Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-10-21 13:18:36 -07:00
cyrix.c
hypervisor.c
intel.c x86: Unify CPU -> NUMA node mapping between 32 and 64bit 2011-01-28 14:54:09 +01:00
intel_cacheinfo.c Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-03-15 19:49:10 -07:00
Makefile
mkcapflags.pl
mshyperv.c
perf_event.c perf, x86, nmi: Move LVT un-masking into irq handlers 2011-04-27 17:59:11 +02:00
perf_event_amd.c perf, x86: Fix AMD family 15h FPU event constraints 2011-04-19 10:07:55 +02:00
perf_event_intel.c perf, x86, nmi: Move LVT un-masking into irq handlers 2011-04-27 17:59:11 +02:00
perf_event_intel_ds.c perf, x86: Use INTEL_*_CONSTRAINT() for all PEBS event constraints 2011-03-16 14:04:12 +01:00
perf_event_intel_lbr.c
perf_event_p4.c perf, x86, nmi: Move LVT un-masking into irq handlers 2011-04-27 17:59:11 +02:00
perf_event_p6.c perf, x86: Store perfctr msr addresses in config_base/event_base 2011-02-16 13:30:52 +01:00
perfctr-watchdog.c perf, x86: Add new AMD family 15h msrs to perfctr reservation code 2011-02-16 13:30:50 +01:00
powerflags.c
proc.c
scattered.c Merge branch 'x86-amd-nb-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-10-21 13:01:08 -07:00
sched.c
topology.c
transmeta.c
umc.c
vmware.c x86: Fix common misspellings 2011-03-18 10:39:30 +01:00