From patchwork Tue Aug 14 23:04:15 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [10/38] KVM: PPC: Expose SYNC cap based on mmu notifiers Date: Tue, 14 Aug 2012 13:04:15 -0000 From: Alexander Graf X-Patchwork-Id: 177495 Message-Id: <1344985483-7440-11-git-send-email-agraf@suse.de> To: kvm-ppc@vger.kernel.org Cc: KVM list Semantically, the "SYNC" cap means that we have mmu notifiers available. Express this in our #ifdef'ery around the feature, so that we can be sure we don't miss out on ppc targets when they get their implementation. Signed-off-by: Alexander Graf --- arch/powerpc/kvm/powerpc.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 6645cc7..98b3408 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -264,10 +264,16 @@ int kvm_dev_ioctl_check_extension(long ext) if (cpu_has_feature(CPU_FTR_ARCH_201)) r = 2; break; +#endif case KVM_CAP_SYNC_MMU: +#ifdef CONFIG_KVM_BOOK3S_64_HV r = cpu_has_feature(CPU_FTR_ARCH_206) ? 1 : 0; - break; +#elif defined(KVM_ARCH_WANT_MMU_NOTIFIER) + r = 1; +#else + r = 0; #endif + break; case KVM_CAP_NR_VCPUS: /* * Recommending a number of CPUs is somewhat arbitrary; we