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| author | Avi Kivity <avi@qumranet.com> | 2007-05-01 14:16:52 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-07-16 12:05:38 +0300 |
| commit | 09072daf37abbfe8e2d5018dd913f229c76190f7 (patch) | |
| tree | dbccbe493a9412cb89bd48b7c0c8ec21f70cf091 /drivers/kvm/mmu.c | |
| parent | 621358455ae043ab39bc3481f13b101bd6016c8d (diff) | |
| download | op-kernel-dev-09072daf37abbfe8e2d5018dd913f229c76190f7.zip op-kernel-dev-09072daf37abbfe8e2d5018dd913f229c76190f7.tar.gz | |
KVM: Unify kvm_mmu_pre_write() and kvm_mmu_post_write()
Instead of calling two functions and repeating expensive checks, call one
function and provide it with before/after information.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm/mmu.c')
| -rw-r--r-- | drivers/kvm/mmu.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c index 2277b7c..b3a83ef 100644 --- a/drivers/kvm/mmu.c +++ b/drivers/kvm/mmu.c @@ -1118,7 +1118,7 @@ out: return r; } -static void mmu_pre_write_zap_pte(struct kvm_vcpu *vcpu, +static void mmu_pte_write_zap_pte(struct kvm_vcpu *vcpu, struct kvm_mmu_page *page, u64 *spte) { @@ -1137,7 +1137,8 @@ static void mmu_pre_write_zap_pte(struct kvm_vcpu *vcpu, *spte = 0; } -void kvm_mmu_pre_write(struct kvm_vcpu *vcpu, gpa_t gpa, int bytes) +void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, + const u8 *old, const u8 *new, int bytes) { gfn_t gfn = gpa >> PAGE_SHIFT; struct kvm_mmu_page *page; @@ -1206,16 +1207,12 @@ void kvm_mmu_pre_write(struct kvm_vcpu *vcpu, gpa_t gpa, int bytes) spte = __va(page->page_hpa); spte += page_offset / sizeof(*spte); while (npte--) { - mmu_pre_write_zap_pte(vcpu, page, spte); + mmu_pte_write_zap_pte(vcpu, page, spte); ++spte; } } } -void kvm_mmu_post_write(struct kvm_vcpu *vcpu, gpa_t gpa, int bytes) -{ -} - int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva) { gpa_t gpa = vcpu->mmu.gva_to_gpa(vcpu, gva); |
