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authorBorislav Petkov <borislav.petkov@amd.com>2011-05-17 14:55:19 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2011-05-23 11:20:18 -0700
commitd9f6223cbccad957eed2ef9ffa3756a07b988699 (patch)
treec039ba33b5886e78a09c678f030a81e4e1a76137 /block
parent88c38c2bcbc8055e5f25581ddf31910e88856974 (diff)
x86, AMD: Fix ARAT feature setting again
commit 14fb57dccb6e1defe9f89a66f548fcb24c374c1d upstream. Trying to enable the local APIC timer on early K8 revisions uncovers a number of other issues with it, in conjunction with the C1E enter path on AMD. Fixing those causes much more churn and troubles than the benefit of using that timer brings so don't enable it on K8 at all, falling back to the original functionality the kernel had wrt to that. Reported-and-bisected-by: Nick Bowler <nbowler@elliptictech.com> Cc: Boris Ostrovsky <Boris.Ostrovsky@amd.com> Cc: Andreas Herrmann <andreas.herrmann3@amd.com> Cc: Greg Kroah-Hartman <greg@kroah.com> Cc: Hans Rosenfeld <hans.rosenfeld@amd.com> Cc: Nick Bowler <nbowler@elliptictech.com> Cc: Joerg-Volker-Peetz <jvpeetz@web.de> Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> Link: http://lkml.kernel.org/r/1305636919-31165-3-git-send-email-bp@amd64.org Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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