From nobody Wed Dec 24 23:51:20 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 80A5C47A6F; Mon, 22 Jan 2024 20:42:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705956138; cv=none; b=ANOBHgKOkKobKbNcBfRr//pzdwaFhUabNUkza3bCHxfby9Am5BoMLAFDi0XTXqYxee8BneVkRQ+6fO+jHBme6UZC2PhaKV80rymisgzPmzwPFoQ5204s3tvw+l9Ra4gdj800U/AQKToaNyrJ3WK/p9Qiem8ROb6X2zENZdARAwA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705956138; c=relaxed/simple; bh=lfUVq4d83TpgqB+IiKAo863O49OEz4Su7IWo3c36W6c=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=WVkyFOo7ULNe37kso0jqgj4AUOj5wd2wkyzA5wFSJvLva1G396EogueV0aQYtS9/ba4dU8jcj4ftM2Vk7W2dYzM6T24jAs5VDmpiVJljuHn7BCjbKeOp4blUpLUIzosFwhljpe0kEmIaQQR6Atz3HfuhdkMN+UtwgR7ZdO92wgk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HIHIvmFT; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HIHIvmFT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DD7FEC433F1; Mon, 22 Jan 2024 20:42:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1705956138; bh=lfUVq4d83TpgqB+IiKAo863O49OEz4Su7IWo3c36W6c=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=HIHIvmFTqCUSJzRCT8Ld6KOulhixCJJDuGF3pL2SmCmosC3qC0PTNMFVTr0z7A76/ nsjhhwqJd7CWfYbiM8fm1ry9283VTqMP4okUwojTG9hg1SATGpGlCx/H5jTDshumzz pP2GouGmXt3gcxD5xIYe4Qj4tAMdwLGhUxthi7KHWRWDrnMp+UgGwIYZ1uTE2GjPKP 10zVEzDvdxSKZmsUhAjAstnq8J5HbvXl0ntWH2HhO+dv/nNxcq2i3LzCnNNAR2DmJv 9prRHPrzzRTZtBfskwMGWGRogx8K/vATBdnNQB0IFbaQLoeMnrs75YAvIFMbkEpA4L D8qo1DiPFdSjA== From: Mark Brown Date: Mon, 22 Jan 2024 20:41:51 +0000 Subject: [PATCH 1/4] arm64/sve: Remove bitrotted comment about syscall behaviour Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240122-arm64-sve-sme-doc-v1-1-3d492e45265b@kernel.org> References: <20240122-arm64-sve-sme-doc-v1-0-3d492e45265b@kernel.org> In-Reply-To: <20240122-arm64-sve-sme-doc-v1-0-3d492e45265b@kernel.org> To: Catalin Marinas , Will Deacon , Jonathan Corbet Cc: Dave Martin , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Brown , Edmund Grimley-Evans X-Mailer: b4 0.13-dev-5c066 X-Developer-Signature: v=1; a=openpgp-sha256; l=1242; i=broonie@kernel.org; h=from:subject:message-id; bh=lfUVq4d83TpgqB+IiKAo863O49OEz4Su7IWo3c36W6c=; b=owGbwMvMwMWocq27KDak/QLjabUkhtR1lxUXfU2+78rT5LF8Y2ZNr4/SBmO7zrR9rVOsuBUs+wv4 Ehs7GY1ZGBi5GGTFFFnWPstYlR4usXX+o/mvYAaxMoFMYeDiFICJzOBk/1+xdsIKiadlHrGG4qdDOo 5OeeThFFVjfmU5v1bbT8EIUzVHp/6Dgnfn2Ug5l50vWeHkl9CTu6S0xdA17qBZj+i75TJZvgFtYRuW hOx/sZQ/dum1urB7waHsn15q9+9um/H8Fmf38Sjbc+sCk40OfTQzdNLX1s1qCwzvis+X6VVouiK0o8 Vrx5VvNrF1PZk/D7AvnvX9SDJXdryTTsBdzgbVfbbP2t5EvZy0J2JG87o/N1RcjvMGtZ3TFir3Sb8w 7coJD1GlaasduHtPPtvum7rq6u74zX92a1hr7n/GtmRBQH5pUMQXo+08KZEVv67/l/jDvMdostbct3 ZNRf9+s+qJ92QwWvzs+n6zxe4gAA== X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB When we documented that we always clear state not shared with FPSIMD we didn't catch all of the places that mentioned that state might not be cleared, remove a lingering reference. Reported-by: Edmund Grimley-Evans Signed-off-by: Mark Brown Reviewed-by: Dave Martin --- Documentation/arch/arm64/sve.rst | 5 ----- 1 file changed, 5 deletions(-) diff --git a/Documentation/arch/arm64/sve.rst b/Documentation/arch/arm64/sv= e.rst index 0d9a426e9f85..b45a2da19bf1 100644 --- a/Documentation/arch/arm64/sve.rst +++ b/Documentation/arch/arm64/sve.rst @@ -117,11 +117,6 @@ the SVE instruction set architecture. * The SVE registers are not used to pass arguments to or receive results f= rom any syscall. =20 -* In practice the affected registers/bits will be preserved or will be rep= laced - with zeros on return from a syscall, but userspace should not make - assumptions about this. The kernel behaviour may vary on a case-by-case - basis. - * All other SVE state of a thread, including the currently configured vect= or length, the state of the PR_SVE_VL_INHERIT flag, and the deferred vector length (if any), is preserved across all syscalls, subject to the specif= ic --=20 2.30.2 From nobody Wed Dec 24 23:51:20 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8BED47F6B; Mon, 22 Jan 2024 20:42:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705956141; cv=none; b=O8F9qOEeuvvJRs14wcc4HEmQDrjHKgetUQpHhXnhj/VoxqPodhHZ7+tgHJg6Fs/6uaFJ/QSnpvTIkadc8u6KqLB3mkExME08r52X4d4KYCupKc6sYJaZRredadVjGIMHTYr1hHi3pJG7ZdRi9DaixInpYAO1NIE/Xdt9ELo6u5w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705956141; c=relaxed/simple; bh=2LI5A66NtYYs0c3+CFqA3f6NBGFtQt1rRRkpBo53+tY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ripcEo9EfS/Csvpm8ewM8jN9lO5gk5LVhTXaLJoPzqZ5pfK/3v3jVf9q020Sz4MxZfvJp/81kNs3rQAttSd1d8B4hFrqGwezEeyhkjSCZBH52F3oRA1Tb9vCpe2c542z3FEwXE5EwopXyweOgprGRWGoMzfKrXWOECLsRSGIMTk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MrWPu4fF; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MrWPu4fF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF516C433B2; Mon, 22 Jan 2024 20:42:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1705956141; bh=2LI5A66NtYYs0c3+CFqA3f6NBGFtQt1rRRkpBo53+tY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=MrWPu4fFzFvOJiNPFgjHlKBWqgjnUQVLsReSEslKUrYWzGmyewGgdg4rWrTjArDnZ wKoXpUq0EA+R3VoSGd4Iv83OIwLfzoErnQO1o+TOb9pz+iraPpYfdEHKV4uYAINmSe Ar+652uIg2AalXKrFY4kJttecHLXUbeSPB3gBsoiHLEtaTjC0lHyyFClDssUbpoLgn HftQdeN9OdpQj8npAPjZQH9aGEAThyPH5Bd/SVYaWduOJDHblkreWyqpyw+2MzGU89 gBngbv6hCx91WZfn9d8h/6V6HVNpcwZe8kCex+OAcNWFC4n6kNPH0P4QykBbYhr+gn 4OXM8dUEpWsWw== From: Mark Brown Date: Mon, 22 Jan 2024 20:41:52 +0000 Subject: [PATCH 2/4] arm64/sme: Fix cut'n'paste in ABI document Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240122-arm64-sve-sme-doc-v1-2-3d492e45265b@kernel.org> References: <20240122-arm64-sve-sme-doc-v1-0-3d492e45265b@kernel.org> In-Reply-To: <20240122-arm64-sve-sme-doc-v1-0-3d492e45265b@kernel.org> To: Catalin Marinas , Will Deacon , Jonathan Corbet Cc: Dave Martin , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Brown , Edmund Grimley-Evans X-Mailer: b4 0.13-dev-5c066 X-Developer-Signature: v=1; a=openpgp-sha256; l=1479; i=broonie@kernel.org; h=from:subject:message-id; bh=2LI5A66NtYYs0c3+CFqA3f6NBGFtQt1rRRkpBo53+tY=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBlrtMiQWgzM6b3u/SZr1xZS0wLY+G9U2uI6gub7nqh Ddw+TreJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZa7TIgAKCRAk1otyXVSH0G2nB/ 44xZPX2DfylvBDshiwux6gUY/1TyyezZYWDNhHcvN0y0OEgzTGUDuHtcVdPuJBXPWUVDdhTPHTGkJn RzbkpZarjcwWzwZ1WEwh+cSwgJGRhqX4KHk9F0pWvVky3o8Swoe4pkZ4GyY8U0+tVz/82wwtHXPt2l sQVFPb0q3gCWvzWSmr8KcOwpwHYC5eL1rzJFSHKt4FI1iPujU4FUAiWuzUBiCFmytTlyjU2ZFsRgMZ mljHhD90EKIikRfwRfSDlnTV3dQTaarH/tLnp7kedPRJQpneJTMfr1Pi6qUZF2Md3YQVS3GtDyOWIt PmgbgJVJVYsTpcbdBAbILjbiAkgqqT X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB The ABI for SME is very like that for SVE so bits of the ABI were copied but not adequately search and replaced, fix that. Reported-by: Edmund Grimley-Evans Signed-off-by: Mark Brown --- Documentation/arch/arm64/sme.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/arch/arm64/sme.rst b/Documentation/arch/arm64/sm= e.rst index 3d0e53ecac4f..3133d0e91b48 100644 --- a/Documentation/arch/arm64/sme.rst +++ b/Documentation/arch/arm64/sme.rst @@ -238,12 +238,12 @@ prctl(PR_SME_SET_VL, unsigned long arg) bits of Z0..Z31 except for Z0 bits [127:0] .. Z31 bits [127:0] to be= come unspecified, including both streaming and non-streaming SVE state. Calling PR_SME_SET_VL with vl equal to the thread's current vector - length, or calling PR_SME_SET_VL with the PR_SVE_SET_VL_ONEXEC flag, + length, or calling PR_SME_SET_VL with the PR_SME_SET_VL_ONEXEC flag, does not constitute a change to the vector length for this purpose. =20 * Changing the vector length causes PSTATE.ZA and PSTATE.SM to be clea= red. Calling PR_SME_SET_VL with vl equal to the thread's current vector - length, or calling PR_SME_SET_VL with the PR_SVE_SET_VL_ONEXEC flag, + length, or calling PR_SME_SET_VL with the PR_SME_SET_VL_ONEXEC flag, does not constitute a change to the vector length for this purpose. =20 =20 --=20 2.30.2 From nobody Wed Dec 24 23:51:20 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0E6E6481B1; Mon, 22 Jan 2024 20:42:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705956144; cv=none; b=rXK4EBUCf8k2xrVwa08OKaEbkYz04fuDkH653ZTxiBCwKNJo2MB7MemBP6Iu6YJ2AoKEyoS/Ja+OEso6/Xb0Z3rW6PX4fSqcdkpY5FaD9NYGMHNtyYlpqAgBX/D8jmDkqBASxeKzozU9V5iMlrIZd8LQudXY7fQfYlUV2kdpd2g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705956144; c=relaxed/simple; bh=fjtGYrPLVAgmnbjt+Ekb+IEbQu2c0zwfHg/G7gZsVmI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=PcFiVrntOcXj4NjIjIlU8ZbzepPDlgrzA5tmsspLCO6WNE2dmR63KIHcmzHyKq6qKK2mzunXkXxMi5hb39bceCQqXQORp6p8GwQW5uKFrM+OX7jVDmvwBL+Wutt4CuV71keJ+3NxNhko+LpCXFp6FWG4xozS1RIlnglLlU10AbA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Gm/qcEFf; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Gm/qcEFf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99D76C43394; Mon, 22 Jan 2024 20:42:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1705956143; bh=fjtGYrPLVAgmnbjt+Ekb+IEbQu2c0zwfHg/G7gZsVmI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Gm/qcEFfiSNUvkiYPekzxnCgffzrZrI0Jbe2TkhEzD/a1Bgwo9j9yFsV9UTTPJozG wYPAqCysMsWfPqH/Y4fv9gPhoIhFODWmE55a1CPr0O7yocY3N2t8+C5ldmR/RYqRyy D0zhzdYC5LGHrBZdaZldNRZ/xUd22SbYm+Gxbuab+V6Ycg2im9X1hoyGJa6VJsxmOh ipY42DR0cQy1Ch90ARtStJ1BEYHhKDaah3Q6Dvg7XSMhAd4aY+0Iv7uHPMvdgN0Df8 1h+FMpMxljyMaL65Bt9TPlnVn/+/79cBmayWIJGk5tH64lAU6xdGYyOlqbbg9+5miQ 4UABMgXSkbZWQ== From: Mark Brown Date: Mon, 22 Jan 2024 20:41:53 +0000 Subject: [PATCH 3/4] arm64/fp: Clarify effect of setting an unsupported system VL Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240122-arm64-sve-sme-doc-v1-3-3d492e45265b@kernel.org> References: <20240122-arm64-sve-sme-doc-v1-0-3d492e45265b@kernel.org> In-Reply-To: <20240122-arm64-sve-sme-doc-v1-0-3d492e45265b@kernel.org> To: Catalin Marinas , Will Deacon , Jonathan Corbet Cc: Dave Martin , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Brown , Edmund Grimley-Evans X-Mailer: b4 0.13-dev-5c066 X-Developer-Signature: v=1; a=openpgp-sha256; l=2147; i=broonie@kernel.org; h=from:subject:message-id; bh=fjtGYrPLVAgmnbjt+Ekb+IEbQu2c0zwfHg/G7gZsVmI=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBlrtMiH/73f//2tkGiaJyZTf5xHRxxVBa9xFB2oZ2L zwYsEhaJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZa7TIgAKCRAk1otyXVSH0PHiB/ 9zHa9KEFYs2ugoCsm80PWrKpmYx7jbcBOAt1g3oeczKb/va6JJ8R8yS4RO+t0zjM+SgEWE2gMboGMz WfUNahqBNUYMy30d0sUCnj0ykg/ghbn/SY0Ng5wfRLG0yExhnde4OSIbdtV8MB3S22TuOgevK6y2RB NUWNljFA3h031svejBLxzIuKg+BAZJshAKtavwWDxY3N4og3h/KBeyvwhSpyPuZaVAOtZgODrcLwUX l6hTlmcn8M0E0Vwsjb9KonvrLA+FW/5yDNZVqYKSTEpbmDkZIHE4+FJpFY1ysmbj5ulodp1nN+V2Y4 9AkkJP5c4s66BXeveCA9VgM1Wv2K2x X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB The documentation for system vector length configuration does not cover all cases where unsupported values are written, tighten it up. Reported-by: Edmund Grimley-Evans Signed-off-by: Mark Brown --- Documentation/arch/arm64/sme.rst | 5 ++--- Documentation/arch/arm64/sve.rst | 5 ++--- 2 files changed, 4 insertions(+), 6 deletions(-) diff --git a/Documentation/arch/arm64/sme.rst b/Documentation/arch/arm64/sm= e.rst index 3133d0e91b48..ba0a5e5b2523 100644 --- a/Documentation/arch/arm64/sme.rst +++ b/Documentation/arch/arm64/sme.rst @@ -379,9 +379,8 @@ The regset data starts with struct user_za_header, cont= aining: /proc/sys/abi/sme_default_vector_length =20 Writing the text representation of an integer to this file sets the sy= stem - default vector length to the specified value, unless the value is grea= ter - than the maximum vector length supported by the system in which case t= he - default vector length is set to that maximum. + default vector length to the specified value rounded to a supported va= lue + using the same rules as for setting vector length via prctl(). =20 The result can be determined by reopening the file and reading its contents. diff --git a/Documentation/arch/arm64/sve.rst b/Documentation/arch/arm64/sv= e.rst index b45a2da19bf1..b923727ff4b9 100644 --- a/Documentation/arch/arm64/sve.rst +++ b/Documentation/arch/arm64/sve.rst @@ -423,9 +423,8 @@ The regset data starts with struct user_sve_header, con= taining: /proc/sys/abi/sve_default_vector_length =20 Writing the text representation of an integer to this file sets the sy= stem - default vector length to the specified value, unless the value is grea= ter - than the maximum vector length supported by the system in which case t= he - default vector length is set to that maximum. + default vector length to the specified value rounded to a supported va= lue + using the same rules as for setting vector length via prctl(). =20 The result can be determined by reopening the file and reading its contents. --=20 2.30.2 From nobody Wed Dec 24 23:51:20 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E720D482C0; 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dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WJMJhdkE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 09458C43390; Mon, 22 Jan 2024 20:42:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1705956145; bh=9wwET/SR7knk4oSeCNFeV/MEM9M1Z+V//fKVMmchNVA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=WJMJhdkEMVCsME+TmfhWjSnniEDJHwowqo5SHRtMJ6QQ79jW80iSuhn8ruChmQRNe uajnlUjNW8Zsh2qgHCl5obP2siMRrvEOVeD1u9IRtexCD/GZ4b254yFGMry4OPFZ42 cc71nCZfe8phSoFEjR+O+n6Q0vDTnkdZAzFYoohK+8Y8OiUEltZDQrPvkXV04HoVvv 1AOwKoagGq191arGl0quSnDW3wD8ZPcZ2zDsek7cqO1tjU7JvsLEWBVvzgdgvME2/P syOA4PcoE/irBksey7CvpMyB9TEoVFiA1oRtI6NjXrkV0BbHv9WlUJhtYbQJkrPGlj eLAaaBdIYX64A== From: Mark Brown Date: Mon, 22 Jan 2024 20:41:54 +0000 Subject: [PATCH 4/4] arm64/sme: Remove spurious 'is' in SME documentation Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240122-arm64-sve-sme-doc-v1-4-3d492e45265b@kernel.org> References: <20240122-arm64-sve-sme-doc-v1-0-3d492e45265b@kernel.org> In-Reply-To: <20240122-arm64-sve-sme-doc-v1-0-3d492e45265b@kernel.org> To: Catalin Marinas , Will Deacon , Jonathan Corbet Cc: Dave Martin , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Brown , Edmund Grimley-Evans X-Mailer: b4 0.13-dev-5c066 X-Developer-Signature: v=1; a=openpgp-sha256; l=904; i=broonie@kernel.org; h=from:subject:message-id; bh=9wwET/SR7knk4oSeCNFeV/MEM9M1Z+V//fKVMmchNVA=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBlrtMjztdy04L3pPKFQ1UwQtFqAqS9I99xBUZdbr7I CdmgEmKJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZa7TIwAKCRAk1otyXVSH0EOqB/ 4kOHuIWx69XoT/RvheUGIeg8J6oxM+WtZVJEVFPIDAlWVc83YY8eyKp9n+WWz4MhO5XYUUQ+1/kVIL nu5oS58CpKIFsYZCz4KlWQzu/AOWr6Mtbb5szjzWKxz1JDZQugZzC4EjiExRx4FOiMb34XkH/DGt2q s/GEdytazihB5d9tSxFE0/1XlGZE0hU4vjbJzkegGoX5+sCRo3M7OyUZTsgIfjk2GafMUY8uECNAet u5zr8YjOhg4d2TO68AHXFdqE+48uvKVJQO0O+9SqH1guCb9gwuE5QIAAre4fOas6m4x4oTyWTq83U/ WQIIiyJOgp1a4HIpKh7NqPRZNS5J4y X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB Just a typographical error. Reported-by: Edmund Grimley-Evans Signed-off-by: Mark Brown Reviewed-by: Dave Martin --- Documentation/arch/arm64/sme.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/arch/arm64/sme.rst b/Documentation/arch/arm64/sm= e.rst index ba0a5e5b2523..bc9855e599c8 100644 --- a/Documentation/arch/arm64/sme.rst +++ b/Documentation/arch/arm64/sme.rst @@ -75,7 +75,7 @@ model features for SME is included in Appendix A. 2. Vector lengths ------------------ =20 -SME defines a second vector length similar to the SVE vector length which = is +SME defines a second vector length similar to the SVE vector length which controls the size of the streaming mode SVE vectors and the ZA matrix arra= y. The ZA matrix is square with each side having as many bytes as a streaming mode SVE vector. --=20 2.30.2