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(parent: d1a5ef2) | patch
x86, cpu: Fix regression in AMD errata checking code
authorHans Rosenfeld <hans.rosenfeld@amd.com>
Wed, 18 Aug 2010 14:19:50 +0000 (16:19 +0200)
committerH. Peter Anvin <hpa@zytor.com>
Wed, 18 Aug 2010 16:16:28 +0000 (09:16 -0700)
commitcb8aba98fb10c1e89aa7d1fb72b74fc2ed2cf4fa
tree79dcc946b66f44498c1c4021420bf74971d74e37tree | snapshot
parentd1a5ef25f4f4034bef7991998f8f95568eb6224acommit | diff
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>
arch/x86/kernel/cpu/amd.c diff | blob | history
Linux Kernel Source Tree.