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| author | Alexander Graf <agraf@suse.de> | 2014-04-22 14:41:06 +0400 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-05-30 16:26:22 +0400 |
| commit | f8f6eb0d189cf2724af5ebc8cad460c78fb1994e (patch) | |
| tree | 6b8f2415c4cf050a668e3e7d4de9d8546c5955be /arch/powerpc/kvm/book3s_emulate.c | |
| parent | f24bc1ed45c13805c19f58cc4289b1be7efee19b (diff) | |
| download | linux-f8f6eb0d189cf2724af5ebc8cad460c78fb1994e.tar.xz | |
KVM: PPC: Book3S PR: Ignore PMU SPRs
When we expose a POWER8 CPU into the guest, it will start accessing PMU SPRs
that we don't emulate. Just ignore accesses to them.
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/book3s_emulate.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_emulate.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c index 45d0a805c3ca..52448ef499cb 100644 --- a/arch/powerpc/kvm/book3s_emulate.c +++ b/arch/powerpc/kvm/book3s_emulate.c @@ -455,6 +455,13 @@ int kvmppc_core_emulate_mtspr_pr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val) case SPRN_WPAR_GEKKO: case SPRN_MSSSR0: case SPRN_DABR: +#ifdef CONFIG_PPC_BOOK3S_64 + case SPRN_MMCRS: + case SPRN_MMCRA: + case SPRN_MMCR0: + case SPRN_MMCR1: + case SPRN_MMCR2: +#endif break; unprivileged: default: @@ -553,6 +560,13 @@ int kvmppc_core_emulate_mfspr_pr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val case SPRN_WPAR_GEKKO: case SPRN_MSSSR0: case SPRN_DABR: +#ifdef CONFIG_PPC_BOOK3S_64 + case SPRN_MMCRS: + case SPRN_MMCRA: + case SPRN_MMCR0: + case SPRN_MMCR1: + case SPRN_MMCR2: +#endif *spr_val = 0; break; default: |