From patchwork Wed Jun 7 03:51:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolu Lu X-Patchwork-Id: 13269961 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6AFB7C77B7A for ; Wed, 7 Jun 2023 03:54:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240785AbjFGDyj (ORCPT ); Tue, 6 Jun 2023 23:54:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240890AbjFGDxq (ORCPT ); Tue, 6 Jun 2023 23:53:46 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2A6819BD; Tue, 6 Jun 2023 20:53:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686110005; x=1717646005; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=075khLrPsaylNwjI1Hcf0TEQzPBC5O5WohuQUXG8IA0=; b=UvfTorsDXha8HtMW9LW3vowDlWQ65QYPVcbC3Qcgq6hDtEq4KGmlah/7 SbkabWTKOf554J1ZOV+ZsYIL/7QYyOe6ymn8Xww+gFI5j63Im/RO8/UrX G0sEJoULAUL+Q1nENiiZaLeWqLyHj4BO3C6ERoQIUzPc+Afgr4dQhkg1P h78hBEr1qCrJ7s4kKqqAjgmMYKGk0gr9661iuDBMCXkArohtg8UP3dtuL v7JOyPx26m9fhZNCzAlch8yGnIHpBm+63uC8Ws8oy2KTZet6MVma7ZGBB VXnpOjw27v+H349O5AhDz2O3vqYjq9ik/Ixi1lxGlJQ83zJe5Wa8Bz/Ju g==; X-IronPort-AV: E=McAfee;i="6600,9927,10733"; a="385186333" X-IronPort-AV: E=Sophos;i="6.00,222,1681196400"; d="scan'208";a="385186333" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jun 2023 20:53:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10733"; a="799125349" X-IronPort-AV: E=Sophos;i="6.00,222,1681196400"; d="scan'208";a="799125349" Received: from allen-box.sh.intel.com ([10.239.159.127]) by FMSMGA003.fm.intel.com with ESMTP; 06 Jun 2023 20:53:22 -0700 From: Lu Baolu To: Jason Gunthorpe , Kevin Tian , Joerg Roedel , Will Deacon , Robin Murphy , Alex Williamson , Nicolin Chen Cc: iommu@lists.linux.dev, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH 0/2] Prevent RESV_DIRECT devices from user assignment Date: Wed, 7 Jun 2023 11:51:43 +0800 Message-Id: <20230607035145.343698-1-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org These are follow-up patches on this discussion: https://lore.kernel.org/linux-iommu/BN9PR11MB5276E84229B5BD952D78E9598C639@BN9PR11MB5276.namprd11.prod.outlook.com I just summarized the ideas and code into a real patch series. Please help to review and merge. Best regards, baolu Lu Baolu (2): iommu: Prevent RESV_DIRECT devices from blocking domains iommu/vt-d: Remove rmrr check in domain attaching device path include/linux/iommu.h | 2 ++ drivers/iommu/intel/iommu.c | 58 ------------------------------------- drivers/iommu/iommu.c | 39 ++++++++++++++++++------- 3 files changed, 31 insertions(+), 68 deletions(-)