diff options
author | Marcelo Tosatti <mtosatti@redhat.com> | 2008-07-23 11:43:42 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-08-01 12:43:00 -0700 |
commit | c857ebba6025350232c87d89e459338f139a50ab (patch) | |
tree | 70e9ccc8cbf670f51a4f740e5ac912c290d52cb8 /arch | |
parent | 205cb93409b6c0d6e66cce8fdf5eef8744d687eb (diff) |
KVM: MMU: nuke shadowed pgtable pages and ptes on memslot destruction
Original-Commit-Hash: 3cc312f03e06a8fa39ecb4cc0189efc2bd888899
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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 318b81100623..5152ba043abe 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -1460,6 +1460,9 @@ 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 777e0f34e0ea..1eaa3e4fe4a3 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -167,6 +167,10 @@ 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 6558b09ff579..b19c1704f4e7 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -672,6 +672,10 @@ 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 63a77caa59f1..5a7406ef9ab7 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4016,6 +4016,11 @@ 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 |