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[2620:137:e000::1:20]) by mx.google.com with ESMTP id i186-20020a626dc3000000b00623114a7324si2187271pfc.363.2023.03.17.06.04.44; Fri, 17 Mar 2023 06:04:58 -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 S230343AbjCQMt5 (ORCPT + 99 others); Fri, 17 Mar 2023 08:49:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230395AbjCQMtw (ORCPT ); Fri, 17 Mar 2023 08:49:52 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0F1915CC14 for ; Fri, 17 Mar 2023 05:49:48 -0700 (PDT) Received: from dggpeml500004.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4PdP5d54JhznXq1; Fri, 17 Mar 2023 20:46:45 +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 20:49:46 +0800 From: Dongxu Sun To: , , CC: , , , Dongxu Sun Subject: [PATCH 3/4] arm64/signal: Add tpidr2/za/zt sigframe size in comment Date: Fri, 17 Mar 2023 20:49:14 +0800 Message-ID: <20230317124915.1263-4-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?1760620235023919084?= X-GMAIL-MSGID: =?utf-8?q?1760620235023919084?= Update the comments of sigcontext.__reserved[], since we already support SME/SME2. Signed-off-by: Dongxu Sun --- arch/arm64/include/uapi/asm/sigcontext.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/uapi/asm/sigcontext.h b/arch/arm64/include/uapi/asm/sigcontext.h index 656a10ea6c67..d85e3079474d 100644 --- a/arch/arm64/include/uapi/asm/sigcontext.h +++ b/arch/arm64/include/uapi/asm/sigcontext.h @@ -45,10 +45,13 @@ struct sigcontext { * 0x210 fpsimd_context * 0x10 esr_context * 0x8a0 sve_context (vl <= 64) (optional) + * 0x10 tpidr2_context (optional) + * 0x10 za_context (optional) + * 0x10 zt_context (optional) * 0x20 extra_context (optional) * 0x10 terminator (null _aarch64_ctx) * - * 0x510 (reserved for future allocation) + * 0x4e0 (reserved for future allocation) * * New records that can exceed this space need to be opt-in for userspace, so * that an expanded signal frame is not generated unexpectedly. The mechanism