Messages in this thread Patch in this message | | | From | Avi Kivity <> | Subject | [PATCH 05/40] KVM: MMU: Separate the code for unlinking a shadow page from its parents | Date | Tue, 23 Sep 2008 16:46:19 +0300 |
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From: Avi Kivity <avi@qumranet.com>
Place into own function, in preparation for further cleanups.
Signed-off-by: Avi Kivity <avi@qumranet.com> --- arch/x86/kvm/mmu.c | 9 +++++++-- 1 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 3da2508..81016a3 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -991,11 +991,10 @@ static void kvm_mmu_reset_last_pte_updated(struct kvm *kvm) kvm->vcpus[i]->arch.last_pte_updated = NULL; } -static void kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp) +static void kvm_mmu_unlink_parents(struct kvm *kvm, struct kvm_mmu_page *sp) { u64 *parent_pte; - ++kvm->stat.mmu_shadow_zapped; while (sp->multimapped || sp->parent_pte) { if (!sp->multimapped) parent_pte = sp->parent_pte; @@ -1010,7 +1009,13 @@ static void kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp) kvm_mmu_put_page(sp, parent_pte); set_shadow_pte(parent_pte, shadow_trap_nonpresent_pte); } +} + +static void kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp) +{ + ++kvm->stat.mmu_shadow_zapped; kvm_mmu_page_unlink_children(kvm, sp); + kvm_mmu_unlink_parents(kvm, sp); if (!sp->root_count) { if (!sp->role.metaphysical && !sp->role.invalid) unaccount_shadowed(kvm, sp->gfn); -- 1.6.0.1
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