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[23.128.96.34]) by mx.google.com with ESMTPS id cp15-20020a056a00348f00b006901befcd84si1299999pfb.393.2023.09.14.03.26.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Sep 2023 03:26:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) client-ip=23.128.96.34; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=qDEb9gH4; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by howler.vger.email (Postfix) with ESMTP id C3B5A836E5FD; Thu, 14 Sep 2023 03:09:57 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at howler.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238020AbjINKJ4 (ORCPT + 35 others); Thu, 14 Sep 2023 06:09:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36972 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238000AbjINKJx (ORCPT ); Thu, 14 Sep 2023 06:09:53 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E09A51BE5 for ; Thu, 14 Sep 2023 03:09:49 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5195FC433D9; Thu, 14 Sep 2023 10:09:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1694686189; bh=Ph1QIKdVjkVEt01kGS7XEed/+iwNMPsBtoTj3MTHHHI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=qDEb9gH4XcGOGQe2i4YMDoc8b83InYT3V44DQ07XkusTeAswpTLO97KvQjoV8Uq3P YXyHjheyrrk9bX5J3Quj2YeQ8NIroFJ6DYHedVFOYRVk7nKd3c2GGqgd0zF3dBldbC 1JsrKKNUKJoo2TXZAQJrBjPrs2CgsxUsal0ajfphUnzvUka1Iosw8lFy+j7P6yWDMz X8KEZvjxN3xNmtX64q45r19DsQpc4DIWO0EkVqkqCAUevai+t4/57O/xn2Jxx+hbq7 YWwt/Jx8FPu5Azpb3RN3sqZBrH32c04dDWjV8+Xcu3GOcaEVtYJF2Q0oc9lyEJ0gPK J4OIOYhyaQ0VQ== From: Mark Brown Date: Thu, 14 Sep 2023 11:09:30 +0100 Subject: [PATCH 2/2] arm64: Document missing userspace visible fields in ID_AA64ISAR2_EL1 MIME-Version: 1.0 Message-Id: <20230914-arm64-feat-hbc-doc-v1-2-797d25f06897@kernel.org> References: <20230914-arm64-feat-hbc-doc-v1-0-797d25f06897@kernel.org> In-Reply-To: <20230914-arm64-feat-hbc-doc-v1-0-797d25f06897@kernel.org> To: Catalin Marinas , Will Deacon Cc: Joey Gouly , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mark Brown X-Mailer: b4 0.13-dev-034f2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1751; i=broonie@kernel.org; h=from:subject:message-id; bh=Ph1QIKdVjkVEt01kGS7XEed/+iwNMPsBtoTj3MTHHHI=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBlAtvnxkbRuK5kzDGrpuzJocjYG1wDTV4U7dUAphnm BfoLhu6JATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZQLb5wAKCRAk1otyXVSH0MSDB/ 9/1jsK6N4aj9djEDGml1hVJPM35zpQFTaP5eJ0eQKaI7hyNK0QKAY1tVu3bUZR5aURmQORMed4X+Av qX2iywDncNL6oZxVr/Ww0R13/ouJzC9IDGZx4KwDTZxkSidOIUyx3qDJVVwOohV04nsnN8vUcsBSQ8 zpc45DSC9YyIzRMEBX1SF/ZT1xNwooLB996cpkbzUSZj1kGb0l9+wyYO4B9CUQFmwLldd4SF/H4Mrd rUT0NCtQT3Zst8skkSLY3FB/XahSySu+/Y22NBBpqmKseiY2PzE1cfDpH669UD2Fg4MpLML3xP+l68 vzgBL68ul55XlLbFRP7jThVfpqqfFP X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Thu, 14 Sep 2023 03:09:57 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1777008300313738321 X-GMAIL-MSGID: 1777008300313738321 We have exposed a number of fields in ID_AA64ISAR2_EL1 to usersapce without adding the matching documentation in cpu-feature-registers.rst, update it to match the implementation. Signed-off-by: Mark Brown --- Documentation/arch/arm64/cpu-feature-registers.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/arch/arm64/cpu-feature-registers.rst b/Documentation/arch/arm64/cpu-feature-registers.rst index 4e4625f2455f..46fd82acafab 100644 --- a/Documentation/arch/arm64/cpu-feature-registers.rst +++ b/Documentation/arch/arm64/cpu-feature-registers.rst @@ -288,8 +288,18 @@ infrastructure: +------------------------------+---------+---------+ | Name | bits | visible | +------------------------------+---------+---------+ + | CSSC | [55-52] | y | + +------------------------------+---------+---------+ + | RPRFM | [51-48] | y | + +------------------------------+---------+---------+ + | BC | [23-20] | y | + +------------------------------+---------+---------+ | MOPS | [19-16] | y | +------------------------------+---------+---------+ + | APA3 | [15-12] | y | + +------------------------------+---------+---------+ + | GPA3 | [11-8] | y | + +------------------------------+---------+---------+ | RPRES | [7-4] | y | +------------------------------+---------+---------+ | WFXT | [3-0] | y |