KVM: MMU: emulated cmpxchg8b should be atomic on i386

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Emulate cmpxchg8b atomically on i386. This is required to avoid a guest
pte walker from seeing a splitted write.

[avi: make it compile]

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

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Marcelo Tosatti 2007-12-12 10:46:12 -05:00 • committed by Avi Kivity

parent 62b9abaaf8

commit 2bacc55c7c

1 changed files with 26 additions and 0 deletions

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drivers/kvm/x86.c

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