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charset="UTF-8" Flush/zap every memslot in kvm_arch_flush_shadow_all(), i.e. when the owning userspace process is exiting, as KVM must ensure all associated memory is unmapped from the guest. Cc: stable@vger.kernel.org Signed-off-by: Sean Christopherson --- arch/powerpc/include/asm/kvm_host.h | 1 - arch/powerpc/kvm/powerpc.c | 11 +++++++++++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 2d139c807577..1c8d9d7360e9 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -903,7 +903,6 @@ struct kvm_vcpu_arch { #define __KVM_HAVE_CREATE_DEVICE static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {} -static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 9194cf492d1c..9e9d0865c2f6 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -764,6 +764,17 @@ void kvm_arch_commit_memory_region(struct kvm *kvm, kvmppc_core_commit_memory_region(kvm, old, new, change); } +void kvm_arch_flush_shadow_all(struct kvm *kvm) +{ + struct kvm_memory_slot *slot; + struct kvm_memslots *slots; + int bkt; + + slots = kvm_memslots(kvm); + kvm_for_each_memslot(slot, bkt, slots) + kvmppc_core_flush_memslot(kvm, slot); +} + void kvm_arch_flush_shadow_memslot(struct kvm *kvm, struct kvm_memory_slot *slot) { -- 2.56.0.rc1.315.gc6ed9934b7-goog