x86, alternative: Use .pushsection/.popsection
authorH. Peter Anvin <hpa@linux.intel.com>
Fri, 21 Sep 2012 19:43:08 +0000 (12:43 -0700)
committerH. Peter Anvin <hpa@linux.intel.com>
Fri, 21 Sep 2012 19:45:25 +0000 (12:45 -0700)
.section/.previous doesn't nest.  Use .pushsection/.popsection in
<asm/alternative.h> so that they can be properly nested.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-5-git-send-email-hpa@linux.intel.com

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