From nobody Wed Apr 8 06:11:40 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 7805FC28D13 for ; Tue, 23 Aug 2022 01:48:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232902AbiHWBsa (ORCPT ); Mon, 22 Aug 2022 21:48:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45486 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238731AbiHWBsZ (ORCPT ); Mon, 22 Aug 2022 21:48:25 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC7D2DE80 for ; Mon, 22 Aug 2022 18:48:24 -0700 (PDT) Received: from dggpemm500020.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MBX9L6Br3zlVyK; Tue, 23 Aug 2022 09:45:10 +0800 (CST) Received: from dggpemm500015.china.huawei.com (7.185.36.181) by dggpemm500020.china.huawei.com (7.185.36.49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 23 Aug 2022 09:48:23 +0800 Received: from huawei.com (10.175.103.91) by dggpemm500015.china.huawei.com (7.185.36.181) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 23 Aug 2022 09:48:22 +0800 From: Wang ShaoBo To: CC: , , , , , , Subject: [PATCH] arm64/sme: Clearing TIF_SVE but not TIF_SME in za_set() Date: Tue, 23 Aug 2022 09:56:27 +0800 Message-ID: <20220823015627.4161141-1-bobo.shaobowang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500015.china.huawei.com (7.185.36.181) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Clearing target's TIF_SVE but not current's TIF_SME in za_set(), as it indi= cates target's SVE storage unavailable. Fixes: 776b4a1cf364 ("arm64/sme: Add ptrace support for ZA") Signed-off-by: Wang ShaoBo --- arch/arm64/kernel/ptrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index 21da83187a60..66d5c7efb745 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -1084,7 +1084,7 @@ static int za_set(struct task_struct *target, if (!target->thread.sve_state) { sve_alloc(target); if (!target->thread.sve_state) { - clear_thread_flag(TIF_SME); + clear_tsk_thread_flag(target, TIF_SVE); ret =3D -ENOMEM; goto out; } --=20 2.25.1