diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-06-25 12:16:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-25 12:16:51 +0200 |
| commit | d02859ecb321c8c0f74cb9bbe3f51a59e58822b0 (patch) | |
| tree | 05dd5bdc55081c0a90bf0afc35c07d0d6e25d015 /arch/x86/kvm/mmu.c | |
| parent | a987b16cc6123af2c9414032701bab5f73c54c89 (diff) | |
| parent | 543cf4cb3fe6f6cae3651ba918b9c56200b257d0 (diff) | |
Merge commit 'v2.6.26-rc8' into x86/xen
Conflicts:
arch/x86/xen/enlighten.c
arch/x86/xen/mmu.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index ee3f53098f0..7e7c3969f7a 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -640,6 +640,7 @@ static void rmap_write_protect(struct kvm *kvm, u64 gfn) rmap_remove(kvm, spte); --kvm->stat.lpages; set_shadow_pte(spte, shadow_trap_nonpresent_pte); + spte = NULL; write_protected = 1; } spte = rmap_next(kvm, rmapp, spte); @@ -1082,10 +1083,6 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, struct kvm_mmu_page *shadow; spte |= PT_WRITABLE_MASK; - if (user_fault) { - mmu_unshadow(vcpu->kvm, gfn); - goto unshadowed; - } shadow = kvm_mmu_lookup_page(vcpu->kvm, gfn); if (shadow || @@ -1102,8 +1099,6 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, } } -unshadowed: - if (pte_access & ACC_WRITE_MASK) mark_page_dirty(vcpu->kvm, gfn); @@ -1580,11 +1575,13 @@ static void mmu_pte_write_new_pte(struct kvm_vcpu *vcpu, u64 *spte, const void *new) { - if ((sp->role.level != PT_PAGE_TABLE_LEVEL) - && !vcpu->arch.update_pte.largepage) { - ++vcpu->kvm->stat.mmu_pde_zapped; - return; - } + if (sp->role.level != PT_PAGE_TABLE_LEVEL) { + if (!vcpu->arch.update_pte.largepage || + sp->role.glevels == PT32_ROOT_LEVEL) { + ++vcpu->kvm->stat.mmu_pde_zapped; + return; + } + } ++vcpu->kvm->stat.mmu_pte_updated; if (sp->role.glevels == PT32_ROOT_LEVEL) |