| Message ID | 1372774680-2697-1-git-send-email-agraf@suse.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
hi Alexander, thanks for your time, this patch works fine. Tested-by: Nello Martuscielli <ppc.addon@gmail.com> -nello On Tue, Jul 2, 2013 at 4:18 PM, Alexander Graf <agraf@suse.de> wrote: > We don't emulate breakpoints yet, so just ignore reads and writes > to / from DABR. > > This fixes booting of more recent Linux guest kernels for me. > > Reported-by: Nello Martuscielli <ppc.addon@gmail.com> > Signed-off-by: Alexander Graf <agraf@suse.de> > --- > arch/powerpc/kvm/book3s_emulate.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c > index 1f6344c..360ce68 100644 > --- a/arch/powerpc/kvm/book3s_emulate.c > +++ b/arch/powerpc/kvm/book3s_emulate.c > @@ -458,6 +458,7 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val) > case SPRN_PMC4_GEKKO: > case SPRN_WPAR_GEKKO: > case SPRN_MSSSR0: > + case SPRN_DABR: > break; > unprivileged: > default: > @@ -555,6 +556,7 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val) > case SPRN_PMC4_GEKKO: > case SPRN_WPAR_GEKKO: > case SPRN_MSSSR0: > + case SPRN_DABR: > *spr_val = 0; > break; > default: > -- > 1.8.1.4 > -- my blog: http://linuxpowerpc.blogspot.com -- Power Mac G4 AGP 450MHz - CRUX PPC (32bit) -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c index 1f6344c..360ce68 100644 --- a/arch/powerpc/kvm/book3s_emulate.c +++ b/arch/powerpc/kvm/book3s_emulate.c @@ -458,6 +458,7 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val) case SPRN_PMC4_GEKKO: case SPRN_WPAR_GEKKO: case SPRN_MSSSR0: + case SPRN_DABR: break; unprivileged: default: @@ -555,6 +556,7 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val) case SPRN_PMC4_GEKKO: case SPRN_WPAR_GEKKO: case SPRN_MSSSR0: + case SPRN_DABR: *spr_val = 0; break; default:
We don't emulate breakpoints yet, so just ignore reads and writes to / from DABR. This fixes booting of more recent Linux guest kernels for me. Reported-by: Nello Martuscielli <ppc.addon@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de> --- arch/powerpc/kvm/book3s_emulate.c | 2 ++ 1 file changed, 2 insertions(+)