[PATCH] ix86: atomic64 adjustments

From: Jan Beulich
Date: Wed Jan 18 2012 - 09:20:51 EST


This pair of patches first fixes the asm() constraints in the C wrappers, and
then does a few improvements to the actual assembly implementation.

1: adjust asm constraints in atomic64 wrappers
2: atomic64 assembly improvements

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

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