tree b8ee904c9a4b99f0c8f58e93b257f653222e3ba0
parent 86a5ba025d0a0b251817d0efbeaf7037d4175d21
author Avi Kivity <avi@qumranet.com> 1168043811 -0800
committer Linus Torvalds <torvalds@woody.osdl.org> 1168070126 -0800

[PATCH] KVM: MMU: Never free a shadow page actively serving as a root

We always need cr3 to point to something valid, so if we detect that we're
freeing a root page, simply push it back to the top of the active list.

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>