| commit | 332b207d65c1d7982489dbb83e5071c95e19eb75 | |
| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | |
| Sun, 15 May 2011 15:20:27 +0000 (15 23:20 +0800) | ||
| committer | Avi Kivity <avi@redhat.com> | |
| Tue, 12 Jul 2011 08:45:02 +0000 (12 11:45 +0300) | ||
| tree | 5a9917fc3b03b6f1c9d9e1436c89c3bc5f45b636 | treesnapshot (tar.gz zip) |
| parent | 96304217a783a65c0923a26f54141cfe7a2a71b5 | commitdiff |
KVM: MMU: optimize pte write path if don't have protected sp
Simply return from kvm_mmu_pte_write path if no shadow page is
write-protected, then we can avoid to walk all shadow pages and hold
mmu-lock
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Simply return from kvm_mmu_pte_write path if no shadow page is
write-protected, then we can avoid to walk all shadow pages and hold
mmu-lock
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
| arch/x86/include/asm/kvm_host.h | diffblobblamehistory | |
| arch/x86/kvm/mmu.c | diffblobblamehistory |