From: Andi Kleen <ak@suse.de>
Date: Wed, 11 Jan 2006 21:44:45 +0000 (+0100)
Subject: [PATCH] x86_64: Clean up copy_*_user
X-Git-Tag: v2.6.16-rc1~333
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2cbc9ee35c992f88fb2558a4f13920e3df4ef3bb;p=pandora-kernel.git

[PATCH] x86_64: Clean up copy_*_user

- Remove optimization for old B stepping Opteron
- Make the fast path for copies with a multiple of eight length faster.
- Minor instruction rearrangement to hopefully avoid a pipeline
stall or two.
- Add comment about errata to consider.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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