From patchwork Thu Dec 6 00:41:15 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [26/28] KVM: PPC: bookehv: Add guest computation mode for irq delivery From: Alexander Graf X-Patchwork-Id: 204049 Message-Id: <1354754477-15472-27-git-send-email-agraf@suse.de> To: Marcelo Tosatti Cc: Gleb Natapov , kvm-ppc , KVM list , Mihai Caraman Date: Thu, 6 Dec 2012 01:41:15 +0100 From: Mihai Caraman When delivering guest IRQs, update MSR computation mode according to guest interrupt computation mode found in EPCR. Signed-off-by: Mihai Caraman [agraf: remove HV dependency in the code] Signed-off-by: Alexander Graf --- arch/powerpc/kvm/booke.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 7c9c389..9457fb1 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -312,6 +312,7 @@ static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu, bool crit; bool keep_irq = false; enum int_class int_class; + ulong new_msr = vcpu->arch.shared->msr; /* Truncate crit indicators in 32 bit mode */ if (!(vcpu->arch.shared->msr & MSR_SF)) { @@ -407,7 +408,13 @@ static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu, set_guest_esr(vcpu, vcpu->arch.queued_esr); if (update_dear == true) set_guest_dear(vcpu, vcpu->arch.queued_dear); - kvmppc_set_msr(vcpu, vcpu->arch.shared->msr & msr_mask); + + new_msr &= msr_mask; +#if defined(CONFIG_64BIT) + if (vcpu->arch.epcr & SPRN_EPCR_ICM) + new_msr |= MSR_CM; +#endif + kvmppc_set_msr(vcpu, new_msr); if (!keep_irq) clear_bit(priority, &vcpu->arch.pending_exceptions);