KVM: MMU: fix kvm_mmu_zap_page() and its calling path
commit3218dbfc167377d6908390635102917d3b66e5ac
authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Fri, 16 Apr 2010 08:34:42 +0000 (16 16:34 +0800)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 26 Apr 2010 14:41:37 +0000 (26 07:41 -0700)
tree4feaf8624091e24c230e0e37b7af03b646f9cf2f
parenta6c57001ec58dd0d54ca13a5001a5ee63abf3b03
KVM: MMU: fix kvm_mmu_zap_page() and its calling path

(Cherry-picked from commit 77662e0028c7c63e34257fda03ff9625c59d939d)

This patch fix:

- calculate zapped page number properly in mmu_zap_unsync_children()
- calculate freeed page number properly kvm_mmu_change_mmu_pages()
- if zapped children page it shoud restart hlist walking

KVM-Stable-Tag.
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
arch/x86/kvm/mmu.c