From patchwork Wed Mar 12 23:49:08 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 14014076 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 18863C28B28 for ; Wed, 12 Mar 2025 23:51:21 +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: Content-Transfer-Encoding:Content-Type:MIME-Version:Message-Id:Date:Subject: 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=Eo1Cynkm99g/fvce2xJLW9/liRD3aKZgElFZ+hvJof8=; b=vCcKSvTOgN8f1V 4KuU3ZlMmozy50qwlPAeeG4YWk5uxlMACspQ6+5laz3VRT9OY7Mz8u6RrhXqUV1nmOqa4c8nGpjzw mNVEZlP58ro7+GbtaK7x55UDTKA2TOv74M9JaPyzRf98ex5VHlIG5vIsKibWep+gXZwt8fh7ld3ZM WO5HH1qknjR+OQuJJPO7O3NB6Ousk2ubc8k2oK6uLbScuyOjE4vCW3+M0AaHVmZjimuRAeQck+oBC t9JncyIy20oIBbG4GL2+uSb+lLerqWscP5vRYPE1bJ67C6QiMlBsgfCUapZwrvEUPg3akkqTXgU2g eWeemIlQd20JE51I7WAQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tsVqy-00000009kYV-2tAx; Wed, 12 Mar 2025 23:51:12 +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 1tsVpI-00000009k9S-3q1Y for linux-arm-kernel@lists.infradead.org; Wed, 12 Mar 2025 23:49:30 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 44F855C420D; Wed, 12 Mar 2025 23:47:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DDB96C4CEE3; Wed, 12 Mar 2025 23:49:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741823367; bh=HbHXJf6SGTZ5u093xJt01x3/Z7InN/X2lZLhzmLppWk=; h=From:Subject:Date:To:Cc:From; b=Wrpcc18mInGhIMAvU301Kt0+WOZCKCK4muRr95lCvUVzgAMSvkeBVVGzw3B4WHJQK Vr5s5bxY03lor/5TSfQeONaZgM+S5kzGKeAGurPkMw4cPhC4L/xcqiBeq5babGJUf8 fTH1bYfhM24w6CSTD8XQqawA4uK6h5fjLYR/pCRyi3nYitzD9ztVOAGg1R9FpSNQFp zuVuYLEDtD6MO9AqAbyfcBUeHsZaCW1P8ZZgsxEcd3wolOtj1fwle4PUuT+Tz+mmBz toi4KNmho1+TI6/X5tV4O0URSciZ8i4jGH6J3i0thTegr9W1IQ4rNOaFB3yFFrXgM9 WIq/zbetZ+gTA== From: Mark Brown Subject: [PATCH 6.13 0/8] KVM: arm64: Backport of SVE fixes to v6.13 Date: Wed, 12 Mar 2025 23:49:08 +0000 Message-Id: <20250312-stable-sve-6-13-v1-0-c7ba07a6f4f7@kernel.org> MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAHUd0mcC/x3MQQ5AMBBA0avIrI20pYiriEUxZRJBOtJIxN01l m/x/wNCgUmgyx4IFFn42BN0nsG0un0h5DkZjDJWGdOgXG7cCCUS1qhLtBM5X6l2tL6BVJ2BPN/ /sYe60CUM7/sBRZcyo2cAAAA= X-Change-ID: 20250227-stable-sve-6-13-5ceaf408b5f7 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=1489; i=broonie@kernel.org; h=from:subject:message-id; bh=HbHXJf6SGTZ5u093xJt01x3/Z7InN/X2lZLhzmLppWk=; b=owGbwMvMwMWocq27KDak/QLjabUkhvRLsjWeCflZ6+zmKLSzTfzP8knovP+qxI+5qy9tv69X2Kuz 8JdCJ6MxCwMjF4OsmCLL2mcZq9LDJbbOfzT/FcwgViaQKQxcnAIwkboe9v9Oc6dUejUK7ezc8M1ae0 fevmzNd06+hj8khB5Lrg82yf38l6njveHjghnnojf9mR4XvO/Y6vqK2Us0i31lni5n4P9bNy2CdyPL JZ5iTlZjvUA7TmGLlT4X/YqmpqxxuPE0pdtU8IvMJUvn6KW6gW8FZn3bEvM2L/CdvBpb7/L2Jx7CTY Etk+7E98zmz/Nj6/zCdzCO/UNPYG3+GtetM1T7VJud4yw6E36yJ2v4vrtht8aVa0Gy2vULoarHZpW9 uCL3pOGMTYDdjCBGX77rpc07Hm4q/yywNPr1G6s+D9mCD1+cWxVPhHdXVbp5r339UnR14rH4QrfXTN /LRcxztfV+MAYnf1FslW3Y5v8NAA== 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-20250312_164929_044677_2E5CE71C X-CRM114-Status: UNSURE ( 7.04 ) X-CRM114-Notice: Please train this message. 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 This series backports some recent fixes for SVE/KVM interactions from Mark Rutland to v6.13. Signed-off-by: Mark Brown --- 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 | 15 ++-- arch/arm64/kvm/hyp/nvhe/pkvm.c | 30 ------- arch/arm64/kvm/hyp/nvhe/switch.c | 134 ++++++++++++++++++-------------- arch/arm64/kvm/hyp/vhe/switch.c | 21 ++--- 10 files changed, 204 insertions(+), 293 deletions(-) --- base-commit: 251aeb0f2f570db5290d0dc2f8ebf87247b00b85 change-id: 20250227-stable-sve-6-13-5ceaf408b5f7 Best regards,