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| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2011-03-28 10:29:27 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-05-11 07:57:03 -0400 |
| commit | 7c5625227ff8c81953e953d8e25c3eba2ab0aeb3 (patch) | |
| tree | 4592af4fbf9e9f95cdd063b5423afee24a1e6b90 /arch/x86/kvm/paging_tmpl.h | |
| parent | a0c0ab2feb9d696978a7475dce4253ec62e98a16 (diff) | |
| download | blackbird-op-linux-7c5625227ff8c81953e953d8e25c3eba2ab0aeb3.tar.gz blackbird-op-linux-7c5625227ff8c81953e953d8e25c3eba2ab0aeb3.zip | |
KVM: MMU: remove mmu_seq verification on pte update path
The mmu_seq verification can be removed since we get the pfn in the
protection of mmu_lock.
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/paging_tmpl.h')
| -rw-r--r-- | arch/x86/kvm/paging_tmpl.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index c6397795d865..74f8567d57ac 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -325,7 +325,7 @@ no_present: } static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, - u64 *spte, const void *pte, unsigned long mmu_seq) + u64 *spte, const void *pte) { pt_element_t gpte; unsigned pte_access; @@ -342,8 +342,6 @@ static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, kvm_release_pfn_clean(pfn); return; } - if (mmu_notifier_retry(vcpu, mmu_seq)) - return; /* * we call mmu_set_spte() with host_writable = true because that |
