From ca2e92dc459d3c536250447dc0716835390e8ee9 Mon Sep 17 00:00:00 2001 From: "Yury Norov (NVIDIA)" Date: Mon, 21 Jul 2025 09:26:32 +0800 Subject: [PATCH] LoongArch: KVM: Simplify kvm_deliver_intr() 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 Signed-off-by: Yury Norov (NVIDIA) Signed-off-by: Huacai Chen --- 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 4c3f22de4b40a..8462083f03017 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) -- 2.47.2