x86: Add another set of MSR accessor functions

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We very often need to set or clear a bit in an MSR as a result of doing
some sort of a hardware configuration. Add generic versions of that
repeated functionality in order to save us a bunch of duplicated code in
the early CPU vendor detection/config code.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1394384725-10796-2-git-send-email-bp@alien8.de
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

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Borislav Petkov 2014-03-09 18:05:23 +01:00 • committed by H. Peter Anvin

parent 2a0788dc9b

commit 22085a66c2

2 changed files with 90 additions and 1 deletions

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2

arch/x86/include/asm/msr.h

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89

arch/x86/lib/msr.c

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