From: "Yury Norov (NVIDIA)" <yury.norov@xxxxxxxxx>
The function opencodes for_each_set_bit() macro, which makes it bulky.
Using the proper API makes all the housekeeping code going away.
Signed-off-by: Yury Norov (NVIDIA) <yury.norov@xxxxxxxxx>
---
arch/loongarch/kvm/interrupt.c | 25 ++++---------------------
1 file changed, 4 insertions(+), 21 deletions(-)
diff --git a/arch/loongarch/kvm/interrupt.c b/arch/loongarch/kvm/interrupt.c
index 4c3f22de4b40..8462083f0301 100644
--- a/arch/loongarch/kvm/interrupt.c
+++ b/arch/loongarch/kvm/interrupt.c
@@ -83,28 +83,11 @@ void kvm_deliver_intr(struct kvm_vcpu *vcpu)
unsigned long *pending = &vcpu->arch.irq_pending;
unsigned long *pending_clr = &vcpu->arch.irq_clear;
- if (!(*pending) && !(*pending_clr))
- return;
-
- if (*pending_clr) {
- priority = __ffs(*pending_clr);
- while (priority <= INT_IPI) {
- kvm_irq_clear(vcpu, priority);
- priority = find_next_bit(pending_clr,
- BITS_PER_BYTE * sizeof(*pending_clr),
- priority + 1);
- }
- }
+ for_each_set_bit(priority, pending_clr, INT_IPI + 1)
+ kvm_irq_clear(vcpu, priority);
- if (*pending) {
- priority = __ffs(*pending);
- while (priority <= INT_IPI) {
- kvm_irq_deliver(vcpu, priority);
- priority = find_next_bit(pending,
- BITS_PER_BYTE * sizeof(*pending),
- priority + 1);
- }
- }
+ for_each_set_bit(priority, pending, INT_IPI + 1)
+ kvm_irq_deliver(vcpu, priority);
}
int kvm_pending_timer(struct kvm_vcpu *vcpu)
--
2.43.0
