From: Andy Lutomirski Date: Fri, 23 Mar 2012 04:15:51 +0000 (-0700) Subject: x86-64: Simplify and optimize vdso clock_gettime monotonic variants X-Git-Tag: v3.4-rc1~44^2~4 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91ec87d57fc38c529034e853687dfb7756de5406;p=pandora-kernel.git x86-64: Simplify and optimize vdso clock_gettime monotonic variants We used to store the wall-to-monotonic offset and the realtime base. It's faster to precompute the monotonic base. This is about a 3% speedup on Sandy Bridge for CLOCK_MONOTONIC. It's much more impressive for CLOCK_MONOTONIC_COARSE. Signed-off-by: Andy Lutomirski Signed-off-by: John Stultz --- Reading git-diff-tree failed