diff options
Diffstat (limited to 'x86-cpu-fix-regression-in-amd-errata-checking-code.patch')
| -rw-r--r-- | x86-cpu-fix-regression-in-amd-errata-checking-code.patch | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/x86-cpu-fix-regression-in-amd-errata-checking-code.patch b/x86-cpu-fix-regression-in-amd-errata-checking-code.patch deleted file mode 100644 index dc1f391f..00000000 --- a/x86-cpu-fix-regression-in-amd-errata-checking-code.patch +++ /dev/null @@ -1,29 +0,0 @@ -From: Hans Rosenfeld <hans.rosenfeld@amd.com> -Date: Wed, 18 Aug 2010 14:19:50 +0000 (+0200) -Subject: x86, cpu: Fix regression in AMD errata checking code -X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Fmingo%2Flinux-2.6-x86.git;a=commitdiff_plain;h=07a7795ca2e6e66d00b184efb46bd0e23d90d3fe - -x86, cpu: Fix regression in AMD errata checking code - -A bug in the family-model-stepping matching code caused the presence of -errata to go undetected when OSVW was not used. This causes hangs on -some K8 systems because the E400 workaround is not enabled. - -Signed-off-by: Hans Rosenfeld <hans.rosenfeld@amd.com> -LKML-Reference: <1282141190-930137-1-git-send-email-hans.rosenfeld@amd.com> -Signed-off-by: H. Peter Anvin <hpa@zytor.com> ---- - -diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c -index 60a57b1..ba5f62f 100644 ---- a/arch/x86/kernel/cpu/amd.c -+++ b/arch/x86/kernel/cpu/amd.c -@@ -669,7 +669,7 @@ bool cpu_has_amd_erratum(const int *erratum) - } - - /* OSVW unavailable or ID unknown, match family-model-stepping range */ -- ms = (cpu->x86_model << 8) | cpu->x86_mask; -+ ms = (cpu->x86_model << 4) | cpu->x86_mask; - while ((range = *erratum++)) - if ((cpu->x86 == AMD_MODEL_RANGE_FAMILY(range)) && - (ms >= AMD_MODEL_RANGE_START(range)) && |