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x86: Detect CPUID support early at boot
authorBorislav Petkov <bp@suse.de>
Mon, 11 Feb 2013 14:22:16 +0000 (15:22 +0100)
committerH. Peter Anvin <hpa@linux.intel.com>
Tue, 12 Feb 2013 23:48:41 +0000 (15:48 -0800)
We detect CPUID function support on each CPU and save it for later use,
obviating the need to play the toggle EFLAGS.ID game every time. C code
is looking at ->cpuid_level anyway.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1360592538-10643-3-git-send-email-bp@alien8.de
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

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