From: Andi Kleen <ak@suse.de>
Date: Sat, 25 Mar 2006 15:29:37 +0000 (+0100)
Subject: [PATCH] x86_64: Use cpu_relax in poll loop in GART IOMMU
X-Git-Tag: v2.6.17-rc1~716
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=85f9eebccde51e24896f31383f5b70776362e1a6;p=pandora-kernel.git

[PATCH] x86_64: Use cpu_relax in poll loop in GART IOMMU

The code waits for the GART to clear the TLB flush bit. Use cpu_relax
in this time to allow hypervisors to yield the CPU in this time.

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