From patchwork Wed Mar 1 23:56:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacob Pan X-Patchwork-Id: 13156591 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 163A7C7EE23 for ; Wed, 1 Mar 2023 23:53:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229874AbjCAXxt (ORCPT ); Wed, 1 Mar 2023 18:53:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56516 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229887AbjCAXxs (ORCPT ); Wed, 1 Mar 2023 18:53:48 -0500 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7FE9E1A66B; Wed, 1 Mar 2023 15:53:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1677714827; x=1709250827; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=QOd5AAG+EZGbuAGfUXscK1yyzYiihDtrdKAjjEtJTkE=; b=e4KcHa8aE0T1T5VtBjzJq/OVQf25f14/Fh4bQWp1WSv50P8EjPFCEV+R f8nTduA+0ErQ6OR0+5B77thafrac5zmAvAqcnH8Jn7+FH1H4517jkAsVe jnsWp1V912HInlwfHqSNA/HjrCp2XWfCrGpvuoAWa6G9bbKt2f2m65k9K HveWuZUHctmJZNyEhJLAn0upV2XhFK2BHxKMXfs+fqnrMpNN3esPEYEJv wSnZYXStb8jsYP2L7YnAOPGR+CTx0g3gPw6/06JZJpltHQDHOzs0KhvRC vQLP4rR6F3OKwuvI0ExOVp3iS9Nhdom8j1HkB6XhG6LQKvl9AlaLH7D5z Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10636"; a="397127609" X-IronPort-AV: E=Sophos;i="5.98,225,1673942400"; d="scan'208";a="397127609" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Mar 2023 15:53:00 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10636"; a="1003880312" X-IronPort-AV: E=Sophos;i="5.98,225,1673942400"; d="scan'208";a="1003880312" Received: from srinivas-otcpl-7600.jf.intel.com (HELO jacob-builder.jf.intel.com) ([10.54.39.106]) by fmsmga005.fm.intel.com with ESMTP; 01 Mar 2023 15:52:58 -0800 From: Jacob Pan To: LKML , iommu@lists.linux.dev, Jason Gunthorpe , "Lu Baolu" , Joerg Roedel , Jean-Philippe Brucker , Dave Hansen , Thomas Gleixner , X86 Kernel , bp@alien8.de, "H. Peter Anvin" , Peter Zijlstra , corbet@lwn.net, vkoul@kernel.org, dmaengine@vger.kernel.org, linux-doc@vger.kernel.org Cc: "Robin Murphy" , "Will Deacon" , David Woodhouse , Raj Ashok , "Tian, Kevin" , Yi Liu , "Yu, Fenghua" , Dave Jiang , Kirill Shutemov , Jacob Pan Subject: [PATCH v4 0/6] Remove VT-d virtual command interface and IOASID Date: Wed, 1 Mar 2023 15:56:40 -0800 Message-Id: <20230301235646.2692846-1-jacob.jun.pan@linux.intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Hi all, This patch set removes unused VT-d virtual command interface followed by removal of the IOASID infrastructure. This has only been tested on x86 platforms, need help with testing on ARM SMMU and other architectures. Thanks, Jacob ChangeLog: v4: - keep mm_pasid helpers inline as much as we can for fork performance - separate GFP_ATOMIC to GFP_KERNEL change for bisectability v3: - moved helper functions for PASID under SVA code, avoided circular inclusion between mm.h and iommu.h - deleted makefiles - put rename under a different patch Jacob Pan (4): iommu/vt-d: Remove virtual command interface iommu/sva: Move PASID helpers to sva code iommu/sva: Use GFP_KERNEL for pasid allocation iommu/ioasid: Rename INVALID_IOASID Jason Gunthorpe (2): iommu/sva: Stop using ioasid_set for SVA iommu: Remove ioasid infrastructure Documentation/x86/sva.rst | 2 +- arch/x86/kernel/traps.c | 5 +- drivers/dma/idxd/device.c | 8 +- drivers/dma/idxd/idxd.h | 2 +- drivers/dma/idxd/init.c | 2 +- drivers/dma/idxd/irq.c | 2 +- drivers/iommu/Kconfig | 5 - drivers/iommu/Makefile | 1 - drivers/iommu/intel/cap_audit.c | 2 - drivers/iommu/intel/dmar.c | 6 +- drivers/iommu/intel/iommu.c | 87 +------ drivers/iommu/intel/iommu.h | 9 - drivers/iommu/intel/svm.c | 3 +- drivers/iommu/ioasid.c | 422 -------------------------------- drivers/iommu/iommu-sva.c | 62 ++--- drivers/iommu/iommu-sva.h | 4 - include/linux/ioasid.h | 83 ------- include/linux/iommu-helper.h | 1 + include/linux/iommu.h | 8 +- include/linux/sched/mm.h | 20 +- mm/init-mm.c | 4 +- 21 files changed, 46 insertions(+), 692 deletions(-) delete mode 100644 drivers/iommu/ioasid.c delete mode 100644 include/linux/ioasid.h