From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F3F6CA9EB9 for ; Wed, 23 Oct 2019 22:57:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1A50920663 for ; Wed, 23 Oct 2019 22:57:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392707AbfJWW5b (ORCPT ); Wed, 23 Oct 2019 18:57:31 -0400 Received: from mga04.intel.com ([192.55.52.120]:43380 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727831AbfJWW5b (ORCPT ); Wed, 23 Oct 2019 18:57:31 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Oct 2019 15:57:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,222,1569308400"; d="scan'208";a="202133555" Received: from jacob-builder.jf.intel.com (HELO jacob-builder) ([10.7.199.155]) by orsmga006.jf.intel.com with ESMTP; 23 Oct 2019 15:57:31 -0700 Date: Wed, 23 Oct 2019 16:01:52 -0700 From: Jacob Pan To: Lu Baolu Cc: "Raj, Ashok" , iommu@lists.linux-foundation.org, LKML , Joerg Roedel , David Woodhouse , Alex Williamson , Jean-Philippe Brucker , Yi Liu , "Tian, Kevin" , Christoph Hellwig , Jonathan Cameron , Eric Auger , jacob.jun.pan@linux.intel.com Subject: Re: [PATCH v6 02/10] iommu/vt-d: Add custom allocator for IOASID Message-ID: <20191023160152.07305918@jacob-builder> In-Reply-To: <0a0f33b8-e3d8-3d29-ca71-552f1875bc62@linux.intel.com> References: <1571788403-42095-1-git-send-email-jacob.jun.pan@linux.intel.com> <1571788403-42095-3-git-send-email-jacob.jun.pan@linux.intel.com> <20191023005129.GC100970@otc-nc-03> <0a0f33b8-e3d8-3d29-ca71-552f1875bc62@linux.intel.com> Organization: OTC X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.30; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 23 Oct 2019 10:21:51 +0800 Lu Baolu wrote: > >> +#ifdef CONFIG_INTEL_IOMMU_SVM > > > > Maybe move them to intel-svm.c instead? that's where the bulk > > of the svm support is? > > I think this is a generic PASID allocator for guest IOMMU although > vSVA is currently the only consumer. Instead of making it SVM > specific, I'd like to suggest moving it to intel-pasid.c and replace > the @svm parameter with a void * one in intel_ioasid_free(). make sense to use void*, no need to tie that to svm bind data type. In terms of location, perhaps we can move if we have more consumers of custom allocator?