Commit 77336b91 authored by Yury Norov (NVIDIA)'s avatar Yury Norov (NVIDIA) Committed by Huacai Chen
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LoongArch: KVM: Rework pch_pic_update_batch_irqs() 



Use proper bitmap API and drop all the housekeeping code.

Reviewed-by: default avatarBibo Mao <maobibo@loongson.cn>
Signed-off-by: default avatarYury Norov (NVIDIA) <yury.norov@gmail.com>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent f851fdd8

arch/loongarch/kvm/intc/pch_pic.c

+3 −8
Original line number Diff line number Diff line
@@ -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 */