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authorAlexander Graf <agraf@suse.de>2010-04-16 00:11:56 +0200
committerAvi Kivity <avi@redhat.com>2010-05-17 12:18:51 +0300
commitada7ba17b4054f303ad62d91ffd22bc4afad1657 (patch)
treeec3ae04af0b79b74d850060b165f5898fbe85008
parent218d169c4c856eee7df56ea0fb8cbb32167e63d3 (diff)
KVM: PPC: Check max IRQ prio
We have a define on what the highest bit of IRQ priorities is. So we can just as well use it in the bit checking code and avoid invalid IRQ values to be triggered. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--arch/powerpc/kvm/book3s.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 61ae0faf0d2..ec0a6512ab0 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -337,7 +337,7 @@ void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu)
printk(KERN_EMERG "KVM: Check pending: %lx\n", vcpu->arch.pending_exceptions);
#endif
priority = __ffs(*pending);
- while (priority <= (sizeof(unsigned int) * 8)) {
+ while (priority < BOOK3S_IRQPRIO_MAX) {
if (kvmppc_book3s_irqprio_deliver(vcpu, priority) &&
(priority != BOOK3S_IRQPRIO_DECREMENTER)) {
/* DEC interrupts get cleared by mtdec */