From: Christian Ehrhardt <ehrhardt@xxxxxxxxxxxxxxxxxx>
Since we use a unsigned long here anyway we can use the optimized __ffs.
Signed-off-by: Christian Ehrhardt <ehrhardt@xxxxxxxxxxxxxxxxxx>
---
[diffstat]
booke_guest.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
[diff]
diff --git a/arch/powerpc/kvm/booke_guest.c b/arch/powerpc/kvm/booke_guest.c
--- a/arch/powerpc/kvm/booke_guest.c
+++ b/arch/powerpc/kvm/booke_guest.c
@@ -180,7 +180,7 @@
unsigned int prio;
u32 mask;
- prio = find_first_bit(pending, BITS_PER_BYTE * sizeof(*pending));
+ prio = __ffs(*pending);
while (prio <= BOOKE_MAX_INTERRUPT) {
if (kvmppc_can_deliver_interrupt_by_prio(vcpu, prio, &mask)) {
kvmppc_clear_exception_by_prio(pending, prio);
--
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