From: Anton Blanchard <anton@samba.org>
Date: Sat, 10 Jun 2006 15:15:55 +0000 (+1000)
Subject: [POWERPC] system call micro optimisation
X-Git-Tag: v2.6.18-rc1~1081^2~225^2~46
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bd19c8994a828e70b5472f0ce9df5831c6c3db84;p=pandora-kernel.git

[POWERPC] system call micro optimisation

In the syscall path we currently have:

       crclr   so
       mfcr    r9

If we shift the crclr up we can avoid a stall on some CPUs.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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