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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2012-08-28 20:43:26 (GMT) |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-09-06 13:37:30 (GMT) |
| commit | 3b4dc3a031110753b9ba36432dbd21f989fcee56 (patch) | |
| tree | 919feea527d3c3708db62a1e6bf33846adfd787d | |
| parent | 12d6e7538e2d418c08f082b1b44ffa5fb7270ed8 (diff) | |
| download | linux-3b4dc3a031110753b9ba36432dbd21f989fcee56.tar.xz | |
KVM: move postcommit flush to x86, as mmio sptes are x86 specific
Other arches do not need this.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
v2: fix incorrect deletion of mmio sptes on gpa move (noticed by Takuya)
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | arch/x86/kvm/x86.c | 8 | ||||
| -rw-r--r-- | virt/kvm/kvm_main.c | 7 |
2 files changed, 8 insertions, 7 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 37797a0..6f6812e 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6445,6 +6445,14 @@ void kvm_arch_commit_memory_region(struct kvm *kvm, kvm_mmu_change_mmu_pages(kvm, nr_mmu_pages); kvm_mmu_slot_remove_write_access(kvm, mem->slot); spin_unlock(&kvm->mmu_lock); + /* + * If memory slot is created, or moved, we need to clear all + * mmio sptes. + */ + if (npages && old.base_gfn != mem->guest_phys_addr >> PAGE_SHIFT) { + kvm_mmu_zap_all(kvm); + kvm_reload_remote_mmus(kvm); + } } void kvm_arch_flush_shadow_all(struct kvm *kvm) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index f41ea12..4fe02d90 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -849,13 +849,6 @@ int __kvm_set_memory_region(struct kvm *kvm, kvm_arch_commit_memory_region(kvm, mem, old, user_alloc); - /* - * If the new memory slot is created, we need to clear all - * mmio sptes. - */ - if (npages && old.base_gfn != mem->guest_phys_addr >> PAGE_SHIFT) - kvm_arch_flush_shadow_all(kvm); - kvm_free_physmem_slot(&old, &new); kfree(old_memslots); |