From mboxrd@z Thu Jan 1 00:00:00 1970 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 243EF1E8849; Tue, 3 Dec 2024 12:48:07 +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=1733230088; cv=none; b=ANPLD9L/MaL+FAVkOQIcpc6gT6PiwMKIu4PKCwzBOdpqvMRPw6loPv3gw2vTAkEP+v7GbmYqxMWAI/J+eMFPyvGJw0XGkDNpToVZkYDmUv5/sTb5Q7d9pJOSe9Y2uv1DipJn+Oegb1MWd0lzQ3zAtFnCgW/GAr/WYPMiWaACeWI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733230088; c=relaxed/simple; bh=hUhkDJMd6hgc8nFH5J2k6Ct3EbWCpkiTzHeH8+7iWyE=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=aosJ6zlbGDEu1YKFRSAKny6lD37rniqiY8wLiZWiJJRB4s6zl66iv65lP2jk37q03kIKgsUS5JAo8UrZvLn4Td4F4oKHiYiLAnMBYS3tUHHRV3aK2lTS8Bj81tMQnAHX4CWnXUfgANcXCS2azNoZ3EsZKk2GgOjQsYP5en+/qsk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=noSR49HA; 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="noSR49HA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99A49C4CECF; Tue, 3 Dec 2024 12:48:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733230087; bh=hUhkDJMd6hgc8nFH5J2k6Ct3EbWCpkiTzHeH8+7iWyE=; h=From:Subject:Date:To:Cc:From; b=noSR49HAbUT52tj/WTvh8Ly59C4mWU3tFJUHQ3EEdsg9VqsgTkyYgwnS5xjM/fyN0 Nn9kwAKb07OBTVYKkoFjg6L+6/hc93AoiLspBnwWqtxVJd+pLsyNvywsEgKLFCsT6o HtIvkICLgR31xaJ+8zEFaqj5VGWNfo+/ISAyJBK6rGIaQ6GGY19LwXrb+A/iuGGIq9 8MiWmE5VKuL/knlywr85ooXupYKX0uZsE3TYZT8ZOv8pweIPUYXpPyMU6ivXs2GHDH GMbEsEkRvlsDxdz15roDmfyupJU0/zG/hxPon7KdlYx01QESTUXdFCII1zHaNuyJoh w62HF6ao68wGA== From: Mark Brown Subject: [PATCH 0/6] arm64/sme: Collected SME fixes Date: Tue, 03 Dec 2024 12:45:52 +0000 Message-Id: <20241203-arm64-sme-reenable-v1-0-d853479d1b77@kernel.org> 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: 7bit X-B4-Tracking: v=1; b=H4sIAID9TmcC/x2MQQqAMBDEviJ7dsFKKepXxEOtoy5olS2IIP7d4 iWQQ/JQggoSdcVDikuSHDGLKQsKq48LWKbsVFe1NRnsdXeW0w5WIPpxA7cNnA3GGd+AcngqZrn /aT+87wd6yZpnZAAAAA== X-Change-ID: 20241202-arm64-sme-reenable-98e64c161a8e To: Catalin Marinas , Will Deacon Cc: Mark Rutland , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mark Brown , stable@vger.kernel.org X-Mailer: b4 0.15-dev-9b746 X-Developer-Signature: v=1; a=openpgp-sha256; l=1165; i=broonie@kernel.org; h=from:subject:message-id; bh=hUhkDJMd6hgc8nFH5J2k6Ct3EbWCpkiTzHeH8+7iWyE=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBnTv3/XvODq4EdoPt4webzJUAwhfutXI2IVlatkT69 XtSrsFOJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZ079/wAKCRAk1otyXVSH0Du9B/ 4q0qp5ZLV0GHKhGbpjQCdHNnjtg2vEXE3Cp0R7Fbk6Sf/1EnZ6BU523FIlFvoxB5mK2hC7NnYCSitX yWifk1i+AYKN84DAmX2zT0vubitt0lOlQ6CDi4klMJRhEWXXyR3+Ol6ta+3NGUOPX4oIEaBHq2wjFG i2kDjQAVEbwAbp4er7pguBjVj6vusJC/BjNl96sm4dQSkkegKgdFqwgAORyy6eR83Nz9U/PjQOm911 8LH2kce+iQqqULpLSSqZqX4d+5QDwmZp8nO/4Jv2+BCHsfYEJK2Ugti8tugl21OGER251GQYeDk6bb Oats3tuql3BgX+fyDkBMFGq0yyppZb X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB This series collects the various SME related fixes that were previously posted separately. These should address all the issues I am aware of so a patch which reenables the SME configuration option is also included. Signed-off-by: Mark Brown --- Mark Brown (6): arm64/sme: Flush foreign register state in do_sme_acc() arm64/fp: Don't corrupt FPMR when streaming mode changes arm64/ptrace: Zero FPMR on streaming mode entry/exit arm64/signal: Consistently invalidate the in register FP state in restore arm64/signal: Avoid corruption of SME state when entering signal handler arm64/sme: Reenable SME arch/arm64/Kconfig | 1 - arch/arm64/include/asm/fpsimd.h | 1 + arch/arm64/kernel/fpsimd.c | 49 +++++++++++++++++++++-- arch/arm64/kernel/ptrace.c | 12 +++++- arch/arm64/kernel/signal.c | 89 +++++++++++------------------------------ 5 files changed, 79 insertions(+), 73 deletions(-) --- base-commit: 40384c840ea1944d7c5a392e8975ed088ecf0b37 change-id: 20241202-arm64-sme-reenable-98e64c161a8e Best regards, -- Mark Brown