On 7/19/23 01:44, Sean Christopherson wrote:
Signed-off-by: Sean Christopherson<seanjc@xxxxxxxxxx> --- arch/powerpc/kvm/powerpc.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 7197c8256668..5cf9e5e3112a 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -634,10 +634,11 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_SYNC_MMU: #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE r = hv_enabled;
This could actually be unnecessarily conservative. Even book3s_pr.c knows how to do unmap and set_spte, so it should be able to support KVM_CAP_SYNC_MMU. Alex, Nick, do you remember any of this? This would mean moving KVM_CAP_SYNC_MMU to virt/kvm/kvm_main.c, which is nice.
Paolo
-#elif defined(KVM_ARCH_WANT_MMU_NOTIFIER) - r = 1; #else - r = 0; +#ifndef KVM_ARCH_WANT_MMU_NOTIFIER + BUILD_BUG(); +#endif + r = 1; #endif break; #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
