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| author |   Marcelo Tosatti <mtosatti@redhat.com> | 2008-07-10 20:49:31 -0300 |
|---|---|---|
| committer |   Avi Kivity <avi@qumranet.com> | 2008-07-20 12:42:40 +0300 |
| commit | 34d4cb8fca1f2a31be152b74797e6cd160ec9de6 (patch) | |
| tree | 1e8f2c3c4feb54763fd0d8b27ef83ba546215069 /arch | |
| parent | KVM: Prefix some x86 low level function with kvm_, to avoid namespace issues (diff) | |
| download | linux-dev-34d4cb8fca1f2a31be152b74797e6cd160ec9de6.tar.xz linux-dev-34d4cb8fca1f2a31be152b74797e6cd160ec9de6.zip | |
KVM: MMU: nuke shadowed pgtable pages and ptes on memslot destruction
Flush the shadow mmu before removing regions to avoid stale entries.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/ia64/kvm/kvm-ia64.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/kvm/powerpc.c | 4 | ||||
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 4 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 5 |
4 files changed, 16 insertions, 0 deletions
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 9408b30576d6..2672f4d278ac 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -1455,6 +1455,9 @@ int kvm_arch_set_memory_region(struct kvm *kvm, return 0; } +void kvm_arch_flush_shadow(struct kvm *kvm) +{ +} long kvm_arch_dev_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index b850d2497027..53826a5f6c06 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -170,6 +170,10 @@ int kvm_arch_set_memory_region(struct kvm *kvm, return 0; } +void kvm_arch_flush_shadow(struct kvm *kvm) +{ +} + struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id) { struct kvm_vcpu *vcpu; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 399acf3f64dd..1782cbcd2829 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -675,6 +675,10 @@ int kvm_arch_set_memory_region(struct kvm *kvm, return 0; } +void kvm_arch_flush_shadow(struct kvm *kvm) +{ +} + gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn) { return gfn; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index b131f3c0cf64..9f1cdb011cff 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4032,6 +4032,11 @@ int kvm_arch_set_memory_region(struct kvm *kvm, return 0; } +void kvm_arch_flush_shadow(struct kvm *kvm) +{ + kvm_mmu_zap_all(kvm); +} + int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) { return vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE |