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authorAvi Kivity <>2006-12-13 00:34:02 -0800
committerLinus Torvalds <>2006-12-13 09:05:47 -0800
commit8c7bb723b4e36dbd4b144176116d126104dc65e0 (patch)
treed5f13bce4876887c8892297e2a31339efa5e6268 /MAINTAINERS
parent0770b19b94ed8fc97e1fcac91c320ec738919628 (diff)
[PATCH] KVM: MMU: Ignore pcd, pwt, and pat bits on ptes
The pcd, pwt, and pat bits on page table entries affect the cpu cache. Since the cache is a host resource, the guest should not be able to control it. Moreover, the meaning of these bits changes depending on whether pat is enabled or not. So, force these bits to zero on shadow page table entries at all times. Signed-off-by: Avi Kivity <> Signed-off-by: Andrew Morton <> Signed-off-by: Linus Torvalds <>
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