From nobody Tue Oct 7 15:54:36 2025 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 18A6222DA0B; Wed, 9 Jul 2025 08:04:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752048268; cv=none; b=MiZe0Hi2UpTcDyOocawgIxjbwPOlrmJBYuxC1P8Vv3UxsaArj7Z4EdHMG5zVIlY9u1/yQc+IhfWazZAb+xQgrJkBtFGZBwyWsSrFVDcTK9Q6PoSvJGPiOHJy9C/bWb5R3ICuQFkeKD6c1BDiOYxDyShUHvVjFRoKCicKAqosRaU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752048268; c=relaxed/simple; bh=ryb6hx0FWcCXe6vAqcJ437xJ27ug4a9xTIatX/wE6HU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=XdCGV2ZTVkcs+ae2QuYWJCQ4SkZeHAh5JSJ4lHJRrXv4KduKSUlvXbGLmHh6cPx433QaLXyuycMo8MTRa8udb2GYAtKBIr7lAavoTG6wzDQW2JmGSqMono00Hhdg9ktPOws1SB/xlca9UbW4rsV77CJcwbNBqgNXKPTWRe0F42o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8AxfeEcIm5oXCklAQ--.38807S3; Wed, 09 Jul 2025 16:02:36 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowJBxpeQZIm5oS6cPAA--.24964S6; Wed, 09 Jul 2025 16:02:36 +0800 (CST) From: Bibo Mao To: Tianrui Zhao , Huacai Chen , Xianglai Li Cc: kvm@vger.kernel.org, loongarch@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v6 4/8] LoongArch: KVM: Remove never called default case statement Date: Wed, 9 Jul 2025 16:02:29 +0800 Message-Id: <20250709080233.3948503-5-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20250709080233.3948503-1-maobibo@loongson.cn> References: <20250709080233.3948503-1-maobibo@loongson.cn> 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 X-CM-TRANSID: qMiowJBxpeQZIm5oS6cPAA--.24964S6 X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Content-Type: text/plain; charset="utf-8" IOCSR instruction supports 1/2/4/8 bytes access, len must be 1/2/4/8 bytes from iocsr exit emulation function kvm_emu_iocsr(), remove the default case in switch case statements. Signed-off-by: Bibo Mao --- arch/loongarch/kvm/intc/eiointc.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/arch/loongarch/kvm/intc/eiointc.c b/arch/loongarch/kvm/intc/ei= ointc.c index 92bae1dea8eb..137cd3adca80 100644 --- a/arch/loongarch/kvm/intc/eiointc.c +++ b/arch/loongarch/kvm/intc/eiointc.c @@ -328,12 +328,9 @@ static int kvm_eiointc_read(struct kvm_vcpu *vcpu, case 4: ret =3D loongarch_eiointc_readl(vcpu, eiointc, addr, val); break; - case 8: + default: ret =3D loongarch_eiointc_readq(vcpu, eiointc, addr, val); break; - default: - WARN_ONCE(1, "%s: Abnormal address access: addr 0x%llx, size %d\n", - __func__, addr, len); } spin_unlock_irqrestore(&eiointc->lock, flags); =20 @@ -704,12 +701,9 @@ static int kvm_eiointc_write(struct kvm_vcpu *vcpu, case 4: ret =3D loongarch_eiointc_writel(vcpu, eiointc, addr, val); break; - case 8: + default: ret =3D loongarch_eiointc_writeq(vcpu, eiointc, addr, val); break; - default: - WARN_ONCE(1, "%s: Abnormal address access: addr 0x%llx, size %d\n", - __func__, addr, len); } spin_unlock_irqrestore(&eiointc->lock, flags); =20 --=20 2.39.3