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[2620:137:e000::1:20]) by mx.google.com with ESMTP id s11-20020a170902c64b00b001a05e6bd125si2269394pls.25.2023.03.17.06.07.11; Fri, 17 Mar 2023 06:07:28 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230351AbjCQMty (ORCPT + 99 others); Fri, 17 Mar 2023 08:49:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230385AbjCQMtv (ORCPT ); Fri, 17 Mar 2023 08:49:51 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 395E242BFA for ; Fri, 17 Mar 2023 05:49:46 -0700 (PDT) Received: from dggpeml500004.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4PdP5G2wYCzSlbv; Fri, 17 Mar 2023 20:46:26 +0800 (CST) Received: from DESKTOP-EJM108K.china.huawei.com (10.174.186.25) by dggpeml500004.china.huawei.com (7.185.36.140) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Fri, 17 Mar 2023 20:49:44 +0800 From: Dongxu Sun To: , , CC: , , , Dongxu Sun Subject: [PATCH 2/4] arm64/signal: Alloc tpidr2 sigframe after checking system_supports_tpidr2() Date: Fri, 17 Mar 2023 20:49:13 +0800 Message-ID: <20230317124915.1263-3-sundongxu3@huawei.com> X-Mailer: git-send-email 2.33.0.windows.2 In-Reply-To: <20230317124915.1263-1-sundongxu3@huawei.com> References: <20230317124915.1263-1-sundongxu3@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.186.25] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpeml500004.china.huawei.com (7.185.36.140) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760620391569354610?= X-GMAIL-MSGID: =?utf-8?q?1760620391569354610?= Move tpidr2 sigframe allocation from under the checking of system_supports_sme() to the checking of system_supports_tpidr2(). Signed-off-by: Dongxu Sun Reviewed-by: Mark Brown --- arch/arm64/kernel/signal.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c index 032e97f8cae0..2cfc810d0a5b 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -893,6 +893,13 @@ static int setup_sigframe_layout(struct rt_sigframe_user_layout *user, return err; } + if (system_supports_tpidr2()) { + err = sigframe_alloc(user, &user->tpidr2_offset, + sizeof(struct tpidr2_context)); + if (err) + return err; + } + if (system_supports_sme()) { unsigned int vl; unsigned int vq = 0; @@ -902,11 +909,6 @@ static int setup_sigframe_layout(struct rt_sigframe_user_layout *user, else vl = task_get_sme_vl(current); - err = sigframe_alloc(user, &user->tpidr2_offset, - sizeof(struct tpidr2_context)); - if (err) - return err; - if (thread_za_enabled(¤t->thread)) vq = sve_vq_from_vl(vl);