From patchwork Fri Mar 17 12:49:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "sundongxu (A)" X-Patchwork-Id: 13179045 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B1564C74A5B for ; Fri, 17 Mar 2023 12:51:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ItbZGJNpmjEaaTPs7zW+Di4yU6LO6el6ChYtx1j5ssg=; b=BiLDYVb9ZTmm5R n9yWRL7KpE6Rq5v202YhDR9Qocgmf7bhgV9NooQcPkubkqVolTBhb5kcRkO92mJaT6Lk0yt9XQ37e EZCPzyLGoDiaM4hbuPxX5UcLxnOFyYnQbM6eAwsuaHb3bFpsgCTDinqBTfBew002bTjJJauXTWMU1 JNid00JUgx0hR8Xv5en8QhVKXLQNLUfnOLXKl+TcKLx3MOxrKGb7619A9JzHkLPiH9kRQUb825Nti 70tyBRcJZG7UD7+OMIXweJmQp8B9VkgK1PDYCjzqiT4KK7kZ3ukNqoxKvyGe0qA40vfO/mWyC3feB Ow5sI+gAFdjO8bmhNtjg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pd9Wz-002GQZ-1J; Fri, 17 Mar 2023 12:50:01 +0000 Received: from szxga01-in.huawei.com ([45.249.212.187]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pd9Wn-002GK7-24 for linux-arm-kernel@lists.infradead.org; Fri, 17 Mar 2023 12:49:51 +0000 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230317_054949_859091_632020E8 X-CRM114-Status: UNSURE ( 9.78 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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