From: Kumar Gala <galak@kernel.crashing.org>
Date: Thu, 19 Mar 2009 03:55:40 +0000 (+0000)
Subject: powerpc/mm: Used free register to save a few cycles in SW TLB miss handling
X-Git-Tag: v2.6.30-rc1~619^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb3436a0139a651a39dbb37a75b10a2cccd00ad5;p=pandora-kernel.git

powerpc/mm: Used free register to save a few cycles in SW TLB miss handling

Now that r0 is free we can keep the value of I/DMISS in r3 and not reload
it before doing the tlbli/d.  This saves us a few cycles in the fast path
case.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

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