diff options
| -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 | ||||
| -rw-r--r-- | include/linux/kvm_host.h | 1 | ||||
| -rw-r--r-- | virt/kvm/kvm_main.c | 3 |
6 files changed, 20 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 diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index de9d1df4bba2..d413e8939778 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -166,6 +166,7 @@ int kvm_arch_set_memory_region(struct kvm *kvm, struct kvm_userspace_memory_region *mem, struct kvm_memory_slot old, int user_alloc); +void kvm_arch_flush_shadow(struct kvm *kvm); gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn); struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn); unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn); diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 2d29e260da3d..02628471365b 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -377,6 +377,9 @@ int __kvm_set_memory_region(struct kvm *kvm, if (mem->slot >= kvm->nmemslots) kvm->nmemslots = mem->slot + 1; + if (!npages) + kvm_arch_flush_shadow(kvm); + *memslot = new; r = kvm_arch_set_memory_region(kvm, mem, old, user_alloc); |