]> git.karo-electronics.de Git - linux-beck.git/commit
projects / linux-beck.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 27923eb) | patch
KVM: MMU: fix forgot flush tlbs on sync_page path
authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Fri, 19 Nov 2010 09:01:40 +0000 (17:01 +0800)
committerAvi Kivity <avi@redhat.com>
Wed, 12 Jan 2011 09:29:43 +0000 (11:29 +0200)
commit30bfb3c4256422221cc763ff6e749ce8aca8e5c9
treed3816bef1c74ce4d1acd6d80c634d50f7e60e644tree | snapshot
parent27923eb19c5d1197bd9d1472abdc2e749f21387acommit | diff
KVM: MMU: fix forgot flush tlbs on sync_page path

We should flush all tlbs after drop spte on sync_page path since

Quote from Avi:
| sync_page
| drop_spte
| kvm_mmu_notifier_invalidate_page
| kvm_unmap_rmapp
| spte doesn't exist -> no flush
| page is freed
| guest can write into freed page?

KVM-Stable-Tag.
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
arch/x86/kvm/paging_tmpl.h diff | blob | history
Beck SC1x5 Kernel