From: Yury Norov (NVIDIA) Date: Tue, 23 Sep 2025 15:37:26 +0000 (+0800) Subject: LoongArch: KVM: Rework pch_pic_update_batch_irqs() X-Git-Tag: v6.18-rc1~95^2~3^2~1 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=77336b918f59b9c715d1f752149557a05e0bc0bc;p=thirdparty%2Flinux.git LoongArch: KVM: Rework pch_pic_update_batch_irqs() Use proper bitmap API and drop all the housekeeping code. Reviewed-by: Bibo Mao Signed-off-by: Yury Norov (NVIDIA) Signed-off-by: Huacai Chen --- diff --git a/arch/loongarch/kvm/intc/pch_pic.c b/arch/loongarch/kvm/intc/pch_pic.c index f464f1f5a67a..a698a73de399 100644 --- a/arch/loongarch/kvm/intc/pch_pic.c +++ b/arch/loongarch/kvm/intc/pch_pic.c @@ -35,16 +35,11 @@ static void pch_pic_update_irq(struct loongarch_pch_pic *s, int irq, int level) /* update batch irqs, the irq_mask is a bitmap of irqs */ static void pch_pic_update_batch_irqs(struct loongarch_pch_pic *s, u64 irq_mask, int level) { - int irq, bits; + unsigned int irq; + DECLARE_BITMAP(irqs, 64) = { BITMAP_FROM_U64(irq_mask) }; - /* find each irq by irqs bitmap and update each irq */ - bits = sizeof(irq_mask) * 8; - irq = find_first_bit((void *)&irq_mask, bits); - while (irq < bits) { + for_each_set_bit(irq, irqs, 64) pch_pic_update_irq(s, irq, level); - bitmap_clear((void *)&irq_mask, irq, 1); - irq = find_first_bit((void *)&irq_mask, bits); - } } /* called when a irq is triggered in pch pic */