From: Alexander Graf <agraf@suse.de>
Date: Wed, 22 Feb 2012 15:26:34 +0000 (+0100)
Subject: KVM: PPC: booke: Reinject performance monitor interrupts
X-Git-Tag: firefly_0821_release~3680^2~2766^2~57
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7cc1e8ee78f469ecff8aa29465325f1e4c5e1b5f;p=firefly-linux-kernel-4.4.55.git

KVM: PPC: booke: Reinject performance monitor interrupts

When we get a performance monitor interrupt, we need to make sure that
the host receives it. So reinject it like we reinject the other host
destined interrupts.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 51010bfc792e..c9aac24b02e2 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -33,6 +33,7 @@
 extern void __replay_interrupt(unsigned int vector);
 
 extern void timer_interrupt(struct pt_regs *);
+extern void performance_monitor_exception(struct pt_regs *regs);
 
 #ifdef CONFIG_PPC64
 #include <asm/paca.h>
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 488936bece69..8e8aa4cb5968 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -634,6 +634,10 @@ static void kvmppc_restart_interrupt(struct kvm_vcpu *vcpu,
 	case BOOKE_INTERRUPT_MACHINE_CHECK:
 		/* FIXME */
 		break;
+	case BOOKE_INTERRUPT_PERFORMANCE_MONITOR:
+		kvmppc_fill_pt_regs(&regs);
+		performance_monitor_exception(&regs);
+		break;
 	}
 }