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LoongArch: KVM: Simplify kvm_deliver_intr()

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The function opencodes for_each_set_bit() macro, which makes it bulky.
Using the proper API makes all the housekeeping code going away.

Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Yury Norov (NVIDIA) <yury.norov@gmail.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Yury Norov (NVIDIA)
2025-07-21 09:26:32 +08:00
committed by Huacai Chen
parent 640f8424ca
commit ca2e92dc45
1 changed files with 4 additions and 21 deletions
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25
arch/loongarch/kvm/interrupt.c
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@@ -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;
for_each_set_bit(priority, pending_clr, INT_IPI + 1)
kvm_irq_clear(vcpu, priority);
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);
}
}
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)