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Commit d1992996 authored by Emanuel Czirai's avatar Emanuel Czirai Committed by Thomas Gleixner
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x86/AMD: Apply erratum 665 on machines without a BIOS fix



AMD F12h machines have an erratum which can cause DIV/IDIV to behave
unpredictably. The workaround is to set MSRC001_1029[31] but sometimes
there is no BIOS update containing that workaround so let's do it
ourselves unconditionally. It is simple enough.

[ Borislav: Wrote commit message. ]

Signed-off-by: default avatarEmanuel Czirai <icanrealizeum@gmail.com>
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Cc: Yaowu Xu <yaowu@google.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20160902053550.18097-1-bp@alien8.de


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 3eab887a
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