Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp426004pxk; Thu, 1 Oct 2020 06:01:53 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxHAXrLsH7zF4qFXRSHuvw9fT/BM+qccd1nG0MMl4/2DGqCmI6V4pdcoFh+ngzr7iuH887t X-Received: by 2002:a17:906:4dc3:: with SMTP id f3mr7362891ejw.50.1601557313757; Thu, 01 Oct 2020 06:01:53 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1601557313; cv=none; d=google.com; s=arc-20160816; b=htqLxEH85R5TrgLBIDwmctALugbJdvenQKt8aGAJceXnAHCOZC4PXIZ+vtA3V0S8WR 6KHi4XLwEMKaL9a/VE3Q+5aCZ4yLUW6E8ySihobzldxMw+1K8MeYUJJc2PxjQSk6dwSC oU5xt/EoyiVeWnXIiGUY2Oj6ASaEveb1bKRyu17HsnovnY+rj6CW8RYanWC5VzD2zgOw Z3gl1sxXkb+1AD8qYzMRwRVBMW6t5FNpvX0UgHWr96HL3s42lmkSRe27dLTZC+bWirkz 7aEyVi03PtiDIH8tLz30dqzcgdnBxcUxSpc3/1bv7hH8RyOcxgc5LcfrRbi2QrBInD35 qrlQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=GAARnz6TT9xzhaYufPNsJi7KA/toyc9y8g+72EYyVho=; b=LyPn+ITUL7PV4RNMSD0PrvVfPsHJiI7gbVEPhHMelli6vwso0zVWpG3flUrXNtS3Av o4fr/+x1B8XH/4xBhT2ph8rQdIDfi1jPbPNW9pRsqawSYYX1u0D6LrL1zYbqlOPxf6wd ykcpPxZfZ+lebtIlRs1aMv+wa2enjMJb+7gmD94QzXmRPUxXwpvP2bPv1r7gzeDM4JMn zDf+40P7zrpuTHrAp+P0EdVSLffrvZ9Trelpj4w6QZEtN3M9ZlxYMCdKCBezLgT1DVEb iACwQfxZh/tKZ2OHwD42WSdxCstJxqcl7aMZG/I9z5M+Ce4kw1sOSoP7eSywdJr3767J Xbtw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id lw21si3339476ejb.724.2020.10.01.06.01.26; Thu, 01 Oct 2020 06:01:53 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732139AbgJAM7z (ORCPT + 99 others); Thu, 1 Oct 2020 08:59:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731952AbgJAM7y (ORCPT ); Thu, 1 Oct 2020 08:59:54 -0400 Received: from theia.8bytes.org (8bytes.org [IPv6:2a01:238:4383:600:38bc:a715:4b6d:a889]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5A500C0613D0 for ; Thu, 1 Oct 2020 05:59:53 -0700 (PDT) Received: by theia.8bytes.org (Postfix, from userid 1000) id 24D1E26F; Thu, 1 Oct 2020 14:59:51 +0200 (CEST) Date: Thu, 1 Oct 2020 14:59:49 +0200 From: Joerg Roedel To: Suravee Suthikulpanit Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org Subject: Re: [PATCH 00/13] iommu: amd: Add Generic IO Page Table Framework Support Message-ID: <20201001125949.GG30426@8bytes.org> References: <20200923101442.73157-1-suravee.suthikulpanit@amd.com> <20200924103448.GO27174@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 24, 2020 at 05:50:37PM +0700, Suravee Suthikulpanit wrote: > > > On 9/24/20 5:34 PM, Joerg Roedel wrote: > > Hi Suravee, > > > > On Wed, Sep 23, 2020 at 10:14:29AM +0000, Suravee Suthikulpanit wrote: > > > The framework allows callable implementation of IO page table. > > > This allows AMD IOMMU driver to switch between different types > > > of AMD IOMMU page tables (e.g. v1 vs. v2). > > > > Is there a reason you created your own framework, there is already an > > io-pgtable framework for ARM, maybe that can be reused? > > > > Actually, this is the same framework used by ARM codes. > Sorry if the description is not clear. Ah, right, thanks. I think this should spend some time in linux-next before going upstream. Can you please remind me after the next merge window to pick it up? Thanks, Joerg