From patchwork Fri Jan 24 17:33:22 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 13949802 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 8CEBEC0218C for ; Fri, 24 Jan 2025 17:35:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:Message-Id: Content-Transfer-Encoding:Content-Type: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=ruC3Si199E8o1aS23xffWac98lpH95xyibK8IlaDgUI=; b=psI7ojA82ozCzxrC9Mn/0dgLtw rJ4iZWKbhjnke2g1ZnWSXWsfO670M3YUaF1V0ctY4NMbxKV+AY9T8uspojVOp1J4e0YaTvRbOFJoK do5KCbt89ujhmyEGyljraTU14rXgDTVCwsVkqfwQ3wZjrG1UdcGW0nfl8e5qNtjOWGTsxwbJ0cqHx OPD0aHnHlbAJv1SrKfkPF0hdf/hMrCMURb16UKKzsrf2fSEWPR/dh1ioTjLSrEnQqB8q0Uop5l1Sj ml22iFBLq+8XFZC4SwkHMiCzrojMobt99vF7qazQRjg5oFUFn24/85ZX4xnPhrmWrix6Cx4CZkpUX N/qKHezw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tbNab-0000000FDkT-0ZjC; Fri, 24 Jan 2025 17:35:29 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tbNZI-0000000FDS2-1XyA for linux-arm-kernel@lists.infradead.org; Fri, 24 Jan 2025 17:34:09 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 75B1C5C5934; Fri, 24 Jan 2025 17:33:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A54CDC4CED2; Fri, 24 Jan 2025 17:34:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1737740047; bh=Wfb3nCJHrFZ/ER3+NaAKiTIh4tK6aoLhRwbmFqRcZq4=; h=From:Date:Subject:To:Cc:From; b=LVDoYpKzXIJX9ChjvY3/s4fCfrmROugPfMq71vG8hIdFhyBgKuqH0zexCVZzWrDth c+1nh6MrS40V6dh1kInB6kwMnlgvKr7y7SeHTEoqp8L0ZbrzeJFdxLgwIrm26X3qCh QtAGmGSg+XYr57rODjCCTgKoaGURk3N0cnT4HAWZpE/MKKHCzsaBp9J/fcpiqB5PYX /7Nq0a2VtiHezyZw0Vi76DOQo4PeZPqFuJ5SbvYBsDP/4ko45/gvegx0wZXy/CFrWS xZUpSbRXNAEu6YIgEfn0f1M4IG/qYtWN/7Y1XB5ju49mFCV1zISY5hnBUJdcI9J6AB jr1WZx+vwjhNg== From: Mark Brown Date: Fri, 24 Jan 2025 17:33:22 +0000 Subject: [PATCH] arm64/gcs: Fix documentation for HWCAP MIME-Version: 1.0 Message-Id: <20250124-arm64-gcs-hwcap-doc-v1-1-fa9368b01ca6@kernel.org> X-B4-Tracking: v=1; b=H4sIAOHOk2cC/x3MQQqAIBBA0avErBtQ0YKuEi1Ep5pFGg5UIN09a fkW/1cQKkwCU1eh0MXCOTXovoOw+7QRcmwGo4xT2lj05RgsbkFwv4M/MeaAbhyiW61WZvTQyrP Qys9/nZf3/QChb8zqZQAAAA== X-Change-ID: 20250124-arm64-gcs-hwcap-doc-576d5f41027a To: Catalin Marinas , Will Deacon , Jonathan Corbet , Thiago Jung Bauermann , Yury Khrustalev Cc: linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, David Spickett , Mark Brown X-Mailer: b4 0.15-dev-1b0d6 X-Developer-Signature: v=1; a=openpgp-sha256; l=1133; i=broonie@kernel.org; h=from:subject:message-id; bh=Wfb3nCJHrFZ/ER3+NaAKiTIh4tK6aoLhRwbmFqRcZq4=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBnk88M8xVJBNItAkMMTYAz53ygbsLKSqUxNKWD5HxM wskB0qSJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZ5PPDAAKCRAk1otyXVSH0Ic5B/ 9JtV6z5AGvOTKCCbgK/5m7AhexBmNehPccFzXR4jInlgXQ4UcR052/3PXNHGSOgye6MYfwAWWLQe0h O3I6rkdWLHv9crGWKeN3wOfT8/DnbCoT7e8Dr8TIfpr0F2ooPDS3yBOZpNYR/HCjOlmZLlIoQXO1VZ IggAi1O3wKVSRFa9MRGoRiE+zD3CEW+Wbi/piOiYqCdT6YLwR1sfAq3eOGj/l/VnTOu10Cc4QLfYmC xXheoRbeovwv1gIFwyMqn6A1PV942WgmH/D6gdQc91f+eOvQkDJuBGP69Q/VN9Bsl4L2PGykWcy9qz MnDSJ9umh6TDdrhwbKHHU+uluossqb 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-20250124_093408_452550_1850D1CF X-CRM114-Status: GOOD ( 11.04 ) 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 In one of the renumberings of the GCS hwcap a stray reference to HWCAP2 was left, fix it. Reported-by: David Spickett Fixes: 7058bf87cd59 ("arm64/gcs: Document the ABI for Guarded Control Stacks") Signed-off-by: Mark Brown --- Documentation/arch/arm64/gcs.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- base-commit: ffd294d346d185b70e28b1a28abe367bbfe53c04 change-id: 20250124-arm64-gcs-hwcap-doc-576d5f41027a Best regards, diff --git a/Documentation/arch/arm64/gcs.rst b/Documentation/arch/arm64/gcs.rst index 1f65a3193e7765dce9bfd6ad88b9fbd6a225ed86..226c0b008456f28c57c2221f45eed7e99610be46 100644 --- a/Documentation/arch/arm64/gcs.rst +++ b/Documentation/arch/arm64/gcs.rst @@ -37,7 +37,7 @@ intended to be exhaustive. shadow stacks rather than GCS. * Support for GCS is reported to userspace via HWCAP_GCS in the aux vector - AT_HWCAP2 entry. + AT_HWCAP entry. * GCS is enabled per thread. While there is support for disabling GCS at runtime this should be done with great care.