From: Avi Kivity <avi@qumranet.com>
Date: Sat, 6 Jan 2007 00:36:51 +0000 (-0800)
Subject: [PATCH] KVM: MMU: Fix cmpxchg8b emulation
X-Git-Tag: v2.6.20-rc4~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=32b35627355c3bf17e1903efd117efed7653a54e;p=pandora-kernel.git

[PATCH] KVM: MMU: Fix cmpxchg8b emulation

cmpxchg8b uses edx:eax as the compare operand, not edi:eax.

cmpxchg8b is used by 32-bit pae guests to set page table entries atomically,
and this is emulated touching shadowed guest page tables.

Also, implement it for 32-bit hosts.

Signed-off-by: Avi Kivity <avi@qumranet.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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