tree c3e18c9197c3ccbc8e57e42aa870f1e9d5740a94
parent e2dec939db126989808853d218e426daaeebc9e2
author Avi Kivity <avi@qumranet.com> 1168043815 -0800
committer Linus Torvalds <torvalds@woody.osdl.org> 1168070127 -0800

[PATCH] KVM: MMU: Flush guest tlb when reducing permissions on a pte

If we reduce permissions on a pte, we must flush the cached copy of the pte
from the guest's tlb.

This is implemented at the moment by flushing the entire guest tlb, and can be
improved by flushing just the relevant virtual address, if it is known.

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>