From nobody Thu May 7 19:28:38 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EDC18C433EF for ; Fri, 20 May 2022 08:54:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347253AbiETIyG (ORCPT ); Fri, 20 May 2022 04:54:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55750 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233629AbiETIyE (ORCPT ); Fri, 20 May 2022 04:54:04 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9518263505 for ; Fri, 20 May 2022 01:54:03 -0700 (PDT) Received: from kwepemi500023.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4L4L6d3Cm4zQkGR; Fri, 20 May 2022 16:51:05 +0800 (CST) Received: from huawei.com (10.175.112.208) by kwepemi500023.china.huawei.com (7.221.188.76) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 20 May 2022 16:54:00 +0800 From: Peng Wu To: , , , , CC: , , , , , Subject: [PATCH] KVM: arm64: cancel the return value check of kvm_arm_init_sve() Date: Fri, 20 May 2022 08:49:11 +0000 Message-ID: <20220520084911.44253-1-wupeng58@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.175.112.208] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemi500023.china.huawei.com (7.221.188.76) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Currently, kvm_arm_init_sve() has only a unique return value, so change the return value type of kvm_arm_init_sve() to void. Meanwhile, there's no need to check the return value of kvm_arm_init_sve() in kvm_arch_init(). Signed-off-by: Peng Wu Reported-by: kernel test robot --- arch/arm64/kvm/arm.c | 4 +--- arch/arm64/kvm/reset.c | 4 +--- 2 files changed, 2 insertions(+), 6 deletions(-) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 400bb0fe2745..5ec90991c68e 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -2206,9 +2206,7 @@ int kvm_arch_init(void *opaque) if (err) return err; =20 - err =3D kvm_arm_init_sve(); - if (err) - return err; + kvm_arm_init_sve(); =20 err =3D kvm_arm_vmid_alloc_init(); if (err) { diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c index 6c70c6f61c70..abae7b24eb8b 100644 --- a/arch/arm64/kvm/reset.c +++ b/arch/arm64/kvm/reset.c @@ -43,7 +43,7 @@ static u32 kvm_ipa_limit; =20 unsigned int kvm_sve_max_vl; =20 -int kvm_arm_init_sve(void) +void kvm_arm_init_sve(void) { if (system_supports_sve()) { kvm_sve_max_vl =3D sve_max_virtualisable_vl(); @@ -65,8 +65,6 @@ int kvm_arm_init_sve(void) pr_warn("KVM: SVE vector length for guests limited to %u bytes\n", kvm_sve_max_vl); } - - return 0; } =20 static int kvm_vcpu_enable_sve(struct kvm_vcpu *vcpu) --=20 2.17.1