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[73.224.175.84]) by smtp.gmail.com with ESMTPSA id 3f1490d57ef6-ea3cf211a04sm1793439276.20.2025.09.12.17.29.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Sep 2025 17:29:09 -0700 (PDT) From: "Yury Norov (NVIDIA)" To: Tianrui Zhao , Bibo Mao , Huacai Chen , WANG Xuerui , Xianglai Li , "Yury Norov (NVIDIA)" , kvm@vger.kernel.org, loongarch@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH] LoongArch: KVM: rework pch_pic_update_batch_irqs() Date: Fri, 12 Sep 2025 20:29:07 -0400 Message-ID: <20250913002907.69703-1-yury.norov@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use proper bitmap API and drop all the housekeeping code. Signed-off-by: Yury Norov (NVIDIA) Reviewed-by: Bibo Mao --- arch/loongarch/kvm/intc/pch_pic.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/arch/loongarch/kvm/intc/pch_pic.c b/arch/loongarch/kvm/intc/pc= h_pic.c index 119290bcea79..57e13ae51d24 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; + DECLARE_BITMAP(irqs, 64) =3D { BITMAP_FROM_U64(irq_mask) }; + unsigned int irq; =20 - /* find each irq by irqs bitmap and update each irq */ - bits =3D sizeof(irq_mask) * 8; - irq =3D 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 =3D find_first_bit((void *)&irq_mask, bits); - } } =20 /* called when a irq is triggered in pch pic */ --=20 2.43.0