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(parent: 5054c0d) | patch
KVM: MMU: clear apfs if page state is changed
authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Fri, 12 Nov 2010 06:47:01 +0000 (14:47 +0800)
committerAvi Kivity <avi@redhat.com>
Wed, 12 Jan 2011 09:29:12 +0000 (11:29 +0200)
commite5f3f027960128035a5fa176877b5e9160b35397
tree7c8ad1d7cd4d5ab21a71dfe23f0bdf9a0b98caf3tree | snapshot
parent5054c0de664dbbb47f1e6b69d668b6018df832f6commit | diff
KVM: MMU: clear apfs if page state is changed

If CR0.PG is changed, the page fault cann't be avoid when the prefault address
is accessed later

And it also fix a bug: it can retry a page enabled #PF in page disabled context
if mmu is shadow page

This idear is from Gleb Natapov

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/x86/kvm/x86.c diff | blob | history
Beck SC1x5 Kernel