[PATCH 37/38] KVM: PPC: booke: Reinject performance monitor interrupts
Alexander Graf
agraf at suse.de
Wed Feb 29 11:10:05 EST 2012
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 at suse.de>
---
v2 -> v3:
- call regs sync directly
---
arch/powerpc/include/asm/hw_irq.h | 1 +
arch/powerpc/kvm/booke.c | 4 ++++
2 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index bb712c9..904e66c 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -12,6 +12,7 @@
#include <asm/processor.h>
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 488936b..8e8aa4c 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(®s);
+ performance_monitor_exception(®s);
+ break;
}
}
--
1.6.0.2
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