[PATCH] KVM: MMU: Fix cmpxchg8b emulation
authorAvi Kivity <avi@qumranet.com>
Sat, 6 Jan 2007 00:36:51 +0000 (16:36 -0800)
committerLinus Torvalds <torvalds@woody.osdl.org>
Sat, 6 Jan 2007 07:55:26 +0000 (23:55 -0800)
commit32b35627355c3bf17e1903efd117efed7653a54e
tree9ef6ca5a32f6e224f4d463a89c21dda2ac08eafe
parent3bb65a22a4502067f8cd3cb4c923ffa70be62091
[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>
drivers/kvm/kvm_main.c
drivers/kvm/x86_emulate.c