From patchwork Tue Mar 11 12:06:49 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Roger_Pau_Monn=C3=A9?= X-Patchwork-Id: 14011694 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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 672B4C282EC for ; Tue, 11 Mar 2025 12:07:31 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.908020.1315185 (Exim 4.92) (envelope-from ) id 1tryO6-0005aI-HN; Tue, 11 Mar 2025 12:07:10 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 908020.1315185; Tue, 11 Mar 2025 12:07:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tryO6-0005a7-EU; Tue, 11 Mar 2025 12:07:10 +0000 Received: by outflank-mailman (input) for mailman id 908020; Tue, 11 Mar 2025 12:07:08 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tryO4-0005a1-T9 for xen-devel@lists.xenproject.org; Tue, 11 Mar 2025 12:07:08 +0000 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [2607:f8b0:4864:20::62f]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 57903bae-fe71-11ef-9898-31a8f345e629; Tue, 11 Mar 2025 13:07:03 +0100 (CET) Received: by mail-pl1-x62f.google.com with SMTP id d9443c01a7336-223a7065ff8so4184405ad.0 for ; Tue, 11 Mar 2025 05:07:03 -0700 (PDT) Received: from localhost ([84.78.159.3]) by smtp.gmail.com with UTF8SMTPSA id d9443c01a7336-22410aa8b83sm95765925ad.241.2025.03.11.05.06.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Mar 2025 05:07:00 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 57903bae-fe71-11ef-9898-31a8f345e629 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1741694821; x=1742299621; darn=lists.xenproject.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=t4y83HIIB3mMQLsS32XTY2zN9q/797IMVEGVxmTtEcw=; b=VVFtbQfErdG5Lnu1XCCrLdxLRCnJeRChAMtXCQ+JY8X4JEGGQfsCT7NbMMb+cuaxAt Af55qsTDD/Irn04QNUtWxmYXUHknq0UXBsLuGVH313TxTwAxlHwdRUr+xeh4msLgVSmy Jy1xfYevQZQ+JsvEamI3wXCEj3ifZHrRCgoCE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741694821; x=1742299621; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=t4y83HIIB3mMQLsS32XTY2zN9q/797IMVEGVxmTtEcw=; b=vcEbLtFgLCg60cEuPUtpH4zN5me9xY0+YXG5Xcn0l1SlN2gRV08YVfSajsNcxF3UNM XnbU1hZjR3xZxUB2E/loSNpFOjcx4MOw6qlj6nUVqcj0LIgOgduG1Lj/D4TrkVMkSGRJ 54NpSjVK61F6VP0iFG7oMlRl1N0zcIwCdS1Sw4Tr8fNlRc0CfyZ2OLPsOhnAbsHFZ6zQ Z9YcArDSidD45quvI0212oFXpVJyQ9MoULWMSFZR4jVPDwRSJXtouqk1fcDqH5r5RNhh 0TAkrbWiEKj+KeTe5gXS6sDbBFNVxyXNp3QfMK6HQ+LQ1qWI/dP/5jwztr2ma6zXqBJq 90pw== X-Gm-Message-State: AOJu0YwTSg+9f+jURabXxB0iepMA4zWKNQJbbWbNuL6t6Och7DvaAa1p dH2k3kSpWXsAJ4EikxrIWgvi9hy1WAJWXDf07l2a4dpW35lmGQwKBnZrPqd4+/KNVD60D29Lrma h X-Gm-Gg: ASbGncspfYetSuvE6LgEPhO03Cl3AE4qvl13ZQxOwSzBWSOX2QFKCHI9x9HGvj3BOQh OBzA6DzlQOMtA3y2klyfXWCgx8ja0rqIkFR4x1CTITwpc9DDUhNO/xL+HXHi3Q8Vs+slGXj4P4e uAcUl9glK/+g62NKuH3HpSzdmN0yyLhOeuG0Wmet4Zn0yOsJ9402OwXeZ13CGJWPzbD6keq+LeR rck2d9VIlQjc+zhvJBGPRMjdf0i9xodPmKaaPxEJQfRC5WwT0ClEFuiJLWTqa8uJ0cEivUqW+BK oprWI/acvU/uDx+Z3q+KTI3JUheSoh/BB8GPZMNBchSKqBj4/loedoQ= X-Google-Smtp-Source: AGHT+IG7kexaPwSjg1r85EBBfAulHDp473EZw8sSzI5+X7MB9NxcylaxuLaol60b2UYOLehD0wMLuA== X-Received: by 2002:a17:902:f686:b0:224:5a8:ba29 with SMTP id d9443c01a7336-22428ad1f1dmr268339265ad.43.1741694821021; Tue, 11 Mar 2025 05:07:01 -0700 (PDT) From: Roger Pau Monne To: xen-devel@lists.xenproject.org Cc: Roger Pau Monne , Jan Beulich , Andrew Cooper , Ross Lagerwall Subject: [PATCH v4 0/3] x86/pci: reduce PCI accesses Date: Tue, 11 Mar 2025 13:06:49 +0100 Message-ID: <20250311120652.61366-1-roger.pau@citrix.com> X-Mailer: git-send-email 2.48.1 MIME-Version: 1.0 Hello, Patches 1 and 2 are new bugfixes in this version. Patch 3 is still mostly as v3, just with the extra logic to ensure vmx_pi_update_irte() correctness. Thanks, Roger. Roger Pau Monne (3): x86/vmx: fix posted interrupts usage of msi_desc->msg field x86/hvm: check return code of hvm_pi_update_irte when binding x86/iommu: avoid MSI address and data writes if IRT index hasn't changed xen/arch/x86/hpet.c | 6 +++++- xen/arch/x86/hvm/vmx/vmx.c | 20 +++++++++++++++++++- xen/arch/x86/include/asm/msi.h | 2 +- xen/arch/x86/msi.c | 11 ++++++----- xen/drivers/passthrough/amd/iommu_intr.c | 4 ++-- xen/drivers/passthrough/vtd/intremap.c | 4 +++- xen/drivers/passthrough/x86/hvm.c | 10 +++++++++- xen/include/xen/iommu.h | 6 ++++++ 8 files changed, 51 insertions(+), 12 deletions(-)