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 B752A3C00; Fri, 21 Mar 2025 00:13:28 +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=1742516008; cv=none; b=MAZ/f2aOiDQCUXjmlA0rYAXIroAv0B04vmmSAf3nYemq4Jn8JHdDuMqNLdUA7u4onJfjXbRcvLMUllqze3XAyV6FhbNOEpxYsOco7/IsuVEEJyoJp0IBgeT1i7rb6YIUBkf3Y6sRi31qS4kF7W/bl4qk9DGF6TpJiN0AFhNWAM8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742516008; c=relaxed/simple; bh=tV+sdgaMPX/7lx0ROFcg5NICAmN7mHFJvSb6OJJsjZ0=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=r50R07/rik0qbCYVq2XSMzcZf+JubObhtWOs9zhLbXobvxZuGj29BbGnoG9ft+JMdA/Dx/6asDQwEkw6/fLqI5ymBw37bTRrjJrZJJM/yNVkOLMseLyjSaFEmMbifVE5OrxVXYgGkVVSdpw1SCNNOcVjBpL3GaufRX2ryY8+e9w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jdxfXPyv; 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="jdxfXPyv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 74927C4CEDD; Fri, 21 Mar 2025 00:13:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742516008; bh=tV+sdgaMPX/7lx0ROFcg5NICAmN7mHFJvSb6OJJsjZ0=; h=From:Subject:Date:To:Cc:From; b=jdxfXPyvvOxxbkIOaymgsBQRtMQTSDOajjU6tQGqOjGq4VZARAPN6A3e1aNR3CIXX AZ7U+QOgL3mdXohm/Wz1ogRC82JYgrul4bTCyqyMRgXAji83ywiNBc4IXTPjFZJxQE p4Kar6PgECP9c4iNAhy+fld6pFgaZWaGzywDzx0MoLDiS65rHm2aWIw6GKLbdXVGts 6kZqQBGgS2BkNyehC3UoO+UrjeRPTCdai+ckkbdDYAM72CYE+k0I7QxFvNZGGEfhne QOL2+q2NIlV/iOsAF1sgog0u1yCekbuQmj3NT1UsDMRL+Bh9ZRyj4PIDUi4sPm70zz jWaz/8ri09bNA== From: Mark Brown Subject: [PATCH 6.12 v2 0/8] KVM: arm64: Backport of SVE fixes to v6.12 Date: Fri, 21 Mar 2025 00:12:56 +0000 Message-Id: <20250321-stable-sve-6-12-v2-0-417ca2278d18@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=H4sIAAmv3GcC/2WNwQ6CMBBEf4Xs2SXtqgU8+R+GQ6ELNJLWtKTRE P7d2qtzm5nMmx0iB8sRbtUOgZON1rts6FTBuGg3M1qTPZCgqyBqMG56WBljYlQoCZufWm2onQb Iq1fgyb4L8QGqlgR9ThcbNx8+5SbJ0hXiWV7+iEmiQGNGqZToTDfo+5OD47X2YYb+OI4vpI1cD rUAAAA= X-Change-ID: 20250227-stable-sve-6-12-777778ad28fb To: Greg Kroah-Hartman , Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Catalin Marinas , Will Deacon Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Mark Brown , Fuad Tabba , James Clark , Mark Rutland , Eric Auger , Wilco Dijkstra , Eric Auger , Florian Weimer , Jeremy Linton , Paolo Bonzini X-Mailer: b4 0.15-dev-1b0d6 X-Developer-Signature: v=1; a=openpgp-sha256; l=1644; i=broonie@kernel.org; h=from:subject:message-id; bh=tV+sdgaMPX/7lx0ROFcg5NICAmN7mHFJvSb6OJJsjZ0=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBn3K8dNJpuqv6o7OlG+rGjw48VRLHiH4pGIBHiff8x g7F0MR6JATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZ9yvHQAKCRAk1otyXVSH0Do6B/ 9/ladtKyBL+QpUwxq7R7nD6UUeObzvo8/FuI5ws9qzwNTQ3GjauCDmEk6Y61hapowpZASk2WH1a1SS y5GwIwFtC/P1BRXhcXuC0TxHZ5gL1ovR4XVxW4WwWDiISmbRwJiaz4viYt35jg4Iej4iZLRL8+lYSr X4liIqOgSFFU4sisFldZgcgXaTQ4vuNUeX+GckuFi/0JXDSj/FJnp+MPNkz2GveF7PYznOSl+64H2F SK2cLZtCT0G6i0j3GqIBf8MGLsJx7zvS+axKGGT4hbxj1holDjfXCfPL6JaA030VG+/RtLlY7teUu3 vj4HHRhygVduk8rxPqkaben2FigS9Q X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB This series backports some recent fixes for SVE/KVM interactions from Mark Rutland to v6.12. Signed-off-by: Mark Brown --- Changes in v2: - Remove an erronious kern_hyp_va(). - Link to v1: https://lore.kernel.org/r/20250314-stable-sve-6-12-v1-0-ddc16609d9ba@kernel.org --- Fuad Tabba (1): KVM: arm64: Calculate cptr_el2 traps on activating traps Mark Rutland (7): KVM: arm64: Unconditionally save+flush host FPSIMD/SVE/SME state KVM: arm64: Remove host FPSIMD saving for non-protected KVM KVM: arm64: Remove VHE host restore of CPACR_EL1.ZEN KVM: arm64: Remove VHE host restore of CPACR_EL1.SMEN KVM: arm64: Refactor exit handlers KVM: arm64: Mark some header functions as inline KVM: arm64: Eagerly switch ZCR_EL{1,2} arch/arm64/include/asm/kvm_host.h | 25 ++---- arch/arm64/kernel/fpsimd.c | 25 ------ arch/arm64/kvm/arm.c | 9 --- arch/arm64/kvm/fpsimd.c | 100 ++---------------------- arch/arm64/kvm/hyp/entry.S | 5 ++ arch/arm64/kvm/hyp/include/hyp/switch.h | 133 ++++++++++++++++++++++--------- arch/arm64/kvm/hyp/nvhe/hyp-main.c | 11 +-- arch/arm64/kvm/hyp/nvhe/pkvm.c | 29 ------- arch/arm64/kvm/hyp/nvhe/switch.c | 134 ++++++++++++++++++-------------- arch/arm64/kvm/hyp/vhe/switch.c | 21 ++--- 10 files changed, 201 insertions(+), 291 deletions(-) --- base-commit: e9cc806c0152fa9993f817cebf42989a3e2530bb change-id: 20250227-stable-sve-6-12-777778ad28fb Best regards, -- Mark Brown