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| author | Alexander Graf <agraf@suse.de> | 2011-08-08 17:22:59 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-09-25 19:52:25 +0300 |
| commit | aacf9aa3a7762a878c40fddef6e68262b9f9f383 (patch) | |
| tree | 85fbc4b9348a5a6eedda6905557954aa2cf3abd0 /arch/powerpc/kvm | |
| parent | 0254f0742998dc61fcf68a3488e2d93636031263 (diff) | |
| download | lwn-aacf9aa3a7762a878c40fddef6e68262b9f9f383.tar.gz lwn-aacf9aa3a7762a878c40fddef6e68262b9f9f383.zip | |
KVM: PPC: Stub emulate CFAR and PURR SPRs
Recent Linux versions use the CFAR and PURR SPRs, but don't really care about
their contents (yet). So for now, we can simply return 0 when the guest wants
to read them.
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm')
| -rw-r--r-- | arch/powerpc/kvm/book3s_emulate.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c index bf0ddcd98bcc..0c9dc62532d0 100644 --- a/arch/powerpc/kvm/book3s_emulate.c +++ b/arch/powerpc/kvm/book3s_emulate.c @@ -473,6 +473,10 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt) case SPRN_HID5: kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[5]); break; + case SPRN_CFAR: + case SPRN_PURR: + kvmppc_set_gpr(vcpu, rt, 0); + break; case SPRN_GQR0: case SPRN_GQR1: case SPRN_GQR2: |