From patchwork Thu Sep 14 10:11:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 13384987 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 E73BDEDE99E for ; Thu, 14 Sep 2023 10:12:32 +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:Cc:To:Message-Id:MIME-Version:Subject: Date:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=M8J5hMQFZ0uqKWL4Tw7abn+cwzwg3u7bAer2WTP1isE=; b=EmzhzVV3hBI5Ai EC9ZvdWoEv1Lzf+N53aDThL9PZh0cn6xvIl8LR9rer60kqyzZr9G4mQ1oTvfXkwvu74LfnjRw51OO 18WaY7zEuRjs/1UB8nYg7kMbYiz9RwXYPN2JDFtcz0n/Te8NiFw7kGe+zGokfT8JLuODV2zYH8mkA 90r9VpEDemEEHeeJgDUSilJ41okuSJu2LoRisiL23UYq4X+X8GHwRo6ysOVkSggJkgrI0zE8DGQGb Cs+TpiI5vUP+CXMIzw7PpeM+aBoVtRUo5e5HeY8T2A/d9eAD0kMlhJLZE3nzc1HyEn4Og8gENVRh7 jojQ9GWdofVRQVDB6LMw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qgjKR-007wlt-2I; Thu, 14 Sep 2023 10:12:07 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qgjKO-007wja-0t for linux-arm-kernel@lists.infradead.org; Thu, 14 Sep 2023 10:12:05 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id C0D82CE266F; Thu, 14 Sep 2023 10:12:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7B15C433C7; Thu, 14 Sep 2023 10:11:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1694686320; bh=tg73HwlfXsKZhdh4RL7L2T0Hnl/NRRkP/rTZVsJfwCE=; h=From:Date:Subject:To:Cc:From; b=PfSt2AWw71pvcWkFbOzfcPyQQe+/SL4Kn7FEoBNBx34jJ8o3Sc1nyGWLlFWoqJvur wEuYKG2QYQLZmfwLrt8KCrV01LN8sxzPDt4Qv6/JCmddoSnXoj2yY07GOxaFvION7h 73VxN4qdwJ7ql7m+JhCC3MkfMg12KPngwKy3OYU7USJkEoPEHP8N81Fpbyoov6hlkK Uhsa+Wz3/fY4BBfOIu1dGLQQlbqn7hYr8KCdJkCEOSXzGkRau3g/vg9xgYqpY1Enfk ljdRgw02771bIb5mQlBqu1Qh5F3Azle3cYehzx597LdNNwhu9fKVGkcDM5fioNZHpy ov7OFSpq8YB2A== From: Mark Brown Date: Thu, 14 Sep 2023 11:11:31 +0100 Subject: [PATCH] arm64/sme: Include ID_AA64PFR1_EL1.SME in cpu-feature-registers.rst MIME-Version: 1.0 Message-Id: <20230914-arm64-pfr1-sme-doc-v1-1-b6c497d10d77@kernel.org> X-B4-Tracking: v=1; b=H4sIAFPcAmUC/x3MMQqAMAxA0atIZgOtEUWvIg7VRs1QlRREKL27x fEN/yeIrMIRxiqB8iNRrrPA1hWshzt3RvHF0JiGzGAJnYauxXtTizEw+mtFR+R4Md73NEAJb+V N3n86zTl/RPiEMGQAAAA= To: Catalin Marinas , Will Deacon Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peter Maydell , Mark Brown X-Mailer: b4 0.13-dev-034f2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1276; i=broonie@kernel.org; h=from:subject:message-id; bh=tg73HwlfXsKZhdh4RL7L2T0Hnl/NRRkP/rTZVsJfwCE=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBlAtxtk1gZpqGv6hl5g0BXkgwnwzJqIRrFwvHhFSyQ okEHm0WJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZQLcbQAKCRAk1otyXVSH0KP8B/ 9PYd5xB5hGCTeAV4HqaHsqCAtQgkDA5FVh3qlaS/XwOhIMYX3UqSte/tx9PsFfc6YCBRav/mwqoSM+ 9ffk+0L1yCjd9muxUJm9dSB2g2USzu1DoAbtkgVYTfGNwgcseOGJG+9E1NPsc+dm7hjaINmvPCL/4b ukg1W+G7MKdhOPOUx3QHvqWUFF7PN8zi9rbWMYREWLaV20bibIyzNwNV/1e9CC7bfoeJLvjPZ3PiK4 0yHUZR5ZxOmGKqaaxXciyTTqcxyZRYug88/djKSnKS9j9Dp09KdPKMnD31HNAqCLOS4cvParWZ+LQP pwzb6r1zbuZt25WFsDUN483WyQ5P41 X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230914_031204_482192_F25E74C0 X-CRM114-Status: UNSURE ( 9.27 ) 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 We expose ID_AA64PFR1_EL1.SME to userspace but do not document this in cpu-feature-registers.rst. Add it. Reported-by: Peter Maydell Signed-off-by: Mark Brown --- Documentation/arch/arm64/cpu-feature-registers.rst | 2 ++ 1 file changed, 2 insertions(+) --- base-commit: 0bb80ecc33a8fb5a682236443c1e740d5c917d1d change-id: 20230913-arm64-pfr1-sme-doc-a33aeb0dd739 Best regards, diff --git a/Documentation/arch/arm64/cpu-feature-registers.rst b/Documentation/arch/arm64/cpu-feature-registers.rst index 4e4625f2455f..5e9ef91f5e36 100644 --- a/Documentation/arch/arm64/cpu-feature-registers.rst +++ b/Documentation/arch/arm64/cpu-feature-registers.rst @@ -175,6 +175,8 @@ infrastructure: +------------------------------+---------+---------+ | Name | bits | visible | +------------------------------+---------+---------+ + | SME | [27-24] | y | + +------------------------------+---------+---------+ | MTE | [11-8] | y | +------------------------------+---------+---------+ | SSBS | [7-4] | y |