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| author | Paolo Bonzini <pbonzini@redhat.com> | 2015-05-19 16:29:22 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-05-20 12:32:07 +0200 |
| commit | 02f4051c1d58d6ee085c68967eb79db5c10558a8 (patch) | |
| tree | 93e8b38f98383b10672b563e9aec7cb2278e859c | |
| parent | 2c851bdfbfdf4a22f5899f3ef84cbe5780a8b464 (diff) | |
| download | kvm-02f4051c1d58d6ee085c68967eb79db5c10558a8.tar.gz | |
KVM: x86: pass struct kvm_mmu_page to account/unaccount_shadowed
Prepare for multiple address spaces this way, since a VCPU is not available
where unaccount_shadowed is called. We will get to the right kvm_memslots
struct through the role field in struct kvm_mmu_page.
Reviewed-by: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | arch/x86/kvm/mmu.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index ceed1c591bc555..6ea24812007a8d 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -804,12 +804,14 @@ static struct kvm_lpage_info *lpage_info_slot(gfn_t gfn, return &slot->arch.lpage_info[level - 2][idx]; } -static void account_shadowed(struct kvm *kvm, gfn_t gfn) +static void account_shadowed(struct kvm *kvm, struct kvm_mmu_page *sp) { struct kvm_memory_slot *slot; struct kvm_lpage_info *linfo; + gfn_t gfn; int i; + gfn = sp->gfn; slot = gfn_to_memslot(kvm, gfn); for (i = PT_DIRECTORY_LEVEL; i <= PT_MAX_HUGEPAGE_LEVEL; ++i) { linfo = lpage_info_slot(gfn, slot, i); @@ -818,12 +820,14 @@ static void account_shadowed(struct kvm *kvm, gfn_t gfn) kvm->arch.indirect_shadow_pages++; } -static void unaccount_shadowed(struct kvm *kvm, gfn_t gfn) +static void unaccount_shadowed(struct kvm *kvm, struct kvm_mmu_page *sp) { struct kvm_memory_slot *slot; struct kvm_lpage_info *linfo; + gfn_t gfn; int i; + gfn = sp->gfn; slot = gfn_to_memslot(kvm, gfn); for (i = PT_DIRECTORY_LEVEL; i <= PT_MAX_HUGEPAGE_LEVEL; ++i) { linfo = lpage_info_slot(gfn, slot, i); @@ -2131,7 +2135,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, if (level > PT_PAGE_TABLE_LEVEL && need_sync) kvm_sync_pages(vcpu, gfn); - account_shadowed(vcpu->kvm, gfn); + account_shadowed(vcpu->kvm, sp); } sp->mmu_valid_gen = vcpu->kvm->arch.mmu_valid_gen; init_shadow_page_table(sp); @@ -2312,7 +2316,7 @@ static int kvm_mmu_prepare_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp, kvm_mmu_unlink_parents(kvm, sp); if (!sp->role.invalid && !sp->role.direct) - unaccount_shadowed(kvm, sp->gfn); + unaccount_shadowed(kvm, sp); if (sp->unsync) kvm_unlink_unsync_page(kvm, sp); |