From: Marcelo Tosatti <mtosatti@redhat.com>
Date: Wed, 28 Nov 2012 01:28:57 +0000 (-0200)
Subject: x86: vdso: pvclock gettime support
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~27^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=51c19b4f5927f5a646e93d69f73c7e89ea14e737;p=pandora-kernel.git

x86: vdso: pvclock gettime support

Improve performance of time system calls when using Linux pvclock,
by reading time info from fixmap visible copy of pvclock data.

Originally from Jeremy Fitzhardinge.

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