x86: pvclock: add note about rdtsc barriers

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As noted by Gleb, not advertising SSE2 support implies
no RDTSC barriers.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

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Marcelo Tosatti 2012-11-27 23:28:53 -02:00

parent 2697902be8

commit 189e11731a

1 changed files with 6 additions and 0 deletions

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6

arch/x86/include/asm/pvclock.h

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