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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF92DC433FE for ; Thu, 3 Mar 2022 10:59:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232318AbiCCLAW (ORCPT ); Thu, 3 Mar 2022 06:00:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231856AbiCCLAV (ORCPT ); Thu, 3 Mar 2022 06:00:21 -0500 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98479168089; Thu, 3 Mar 2022 02:59:36 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id DB58D68AFE; Thu, 3 Mar 2022 11:59:31 +0100 (CET) Date: Thu, 3 Mar 2022 11:59:31 +0100 From: Christoph Hellwig To: Stefano Stabellini Cc: Christoph Hellwig , iommu@lists.linux-foundation.org, x86@kernel.org, Anshuman Khandual , Tom Lendacky , Konrad Rzeszutek Wilk , Boris Ostrovsky , Juergen Gross , Joerg Roedel , David Woodhouse , Lu Baolu , Robin Murphy , linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-hyperv@vger.kernel.org, tboot-devel@lists.sourceforge.net, linux-pci@vger.kernel.org Subject: Re: [PATCH 11/12] swiotlb: merge swiotlb-xen initialization into swiotlb Message-ID: <20220303105931.GA15137@lst.de> References: <20220301105311.885699-1-hch@lst.de> <20220301105311.885699-12-hch@lst.de> <20220302081500.GB23075@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org On Wed, Mar 02, 2022 at 05:25:10PM -0800, Stefano Stabellini wrote: > Thinking more about it we actually need to drop the xen_initial_domain() > check otherwise some cases won't be functional (Dom0 not 1:1 mapped, or > DomU 1:1 mapped). Hmm, but that would be the case even before this series, right? From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Date: Thu, 03 Mar 2022 10:59:31 +0000 Subject: Re: [PATCH 11/12] swiotlb: merge swiotlb-xen initialization into swiotlb Message-Id: <20220303105931.GA15137@lst.de> List-Id: References: <20220301105311.885699-1-hch@lst.de> <20220301105311.885699-12-hch@lst.de> <20220302081500.GB23075@lst.de> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Stefano Stabellini Cc: Christoph Hellwig , iommu@lists.linux-foundation.org, x86@kernel.org, Anshuman Khandual , Tom Lendacky , Konrad Rzeszutek Wilk , Boris Ostrovsky , Juergen Gross , Joerg Roedel , David Woodhouse , Lu Baolu , Robin Murphy , linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-hyperv@vger.kernel.org, tboot-devel@lists.sourceforge.net, linux-pci@vger.kernel.org On Wed, Mar 02, 2022 at 05:25:10PM -0800, Stefano Stabellini wrote: > Thinking more about it we actually need to drop the xen_initial_domain() > check otherwise some cases won't be functional (Dom0 not 1:1 mapped, or > DomU 1:1 mapped). Hmm, but that would be the case even before this series, right? 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 Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 8FF14C43219 for ; Thu, 3 Mar 2022 10:59:40 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 305DB408FF; Thu, 3 Mar 2022 10:59:40 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1T8OCTeTKlcD; Thu, 3 Mar 2022 10:59:39 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp2.osuosl.org (Postfix) with ESMTPS id EC9C5400D7; Thu, 3 Mar 2022 10:59:38 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id BFFE6C0082; Thu, 3 Mar 2022 10:59:38 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 774E0C000B for ; Thu, 3 Mar 2022 10:59:37 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 5746382883 for ; Thu, 3 Mar 2022 10:59:37 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Eum7S6JkyXft for ; Thu, 3 Mar 2022 10:59:37 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by smtp1.osuosl.org (Postfix) with ESMTPS id C915F827C6 for ; Thu, 3 Mar 2022 10:59:36 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id DB58D68AFE; Thu, 3 Mar 2022 11:59:31 +0100 (CET) Date: Thu, 3 Mar 2022 11:59:31 +0100 From: Christoph Hellwig To: Stefano Stabellini Subject: Re: [PATCH 11/12] swiotlb: merge swiotlb-xen initialization into swiotlb Message-ID: <20220303105931.GA15137@lst.de> References: <20220301105311.885699-1-hch@lst.de> <20220301105311.885699-12-hch@lst.de> <20220302081500.GB23075@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Cc: linux-hyperv@vger.kernel.org, x86@kernel.org, linux-ia64@vger.kernel.org, linux-pci@vger.kernel.org, linux-riscv@lists.infradead.org, Christoph Hellwig , linux-s390@vger.kernel.org, Konrad Rzeszutek Wilk , tboot-devel@lists.sourceforge.net, xen-devel@lists.xenproject.org, David Woodhouse , Tom Lendacky , Anshuman Khandual , Boris Ostrovsky , linux-arm-kernel@lists.infradead.org, Juergen Gross , Robin Murphy , linux-mips@vger.kernel.org, iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Wed, Mar 02, 2022 at 05:25:10PM -0800, Stefano Stabellini wrote: > Thinking more about it we actually need to drop the xen_initial_domain() > check otherwise some cases won't be functional (Dom0 not 1:1 mapped, or > DomU 1:1 mapped). Hmm, but that would be the case even before this series, right? _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 01231C433F5 for ; Thu, 3 Mar 2022 10:59:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=qojDbXRcoLTRm3khHdesA2uHghO/B0/n4d8YqRaDzSY=; b=J/EmGNfQZia3Z7 ufY8mAgT6G8ickOt7wp9HQqNgy1OOoZfoYAvAoyRUuLK6kBKJJ9ehQ2y3DNFGKdGHsm2IP4lKknmH LhhCumaxx09ZCya0RmcfNQKD/hXzEevcAPSn9giNrS4+rgH/QL19hHYaDixGYkgbOnMieaIZUkGVN 7XeEDffMRniAzmYjh41qffTcYa5/1J0KoWccd3F/ldXLI8FxpD/zmo+NmAUuRHkMjZZ0EvhEXvsRj VxWIw+oSTgRawhKEY73LgJOvQHM2KMCOzofIyGb/lQ8XTYuQB7LyxjgfesTYp1KqEYax+V7+a0Ted FFwdt7FKtFkV9xXD/IYg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nPjBV-0068oN-1e; Thu, 03 Mar 2022 10:59:49 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nPjBH-0068hq-L0; Thu, 03 Mar 2022 10:59:37 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id DB58D68AFE; Thu, 3 Mar 2022 11:59:31 +0100 (CET) Date: Thu, 3 Mar 2022 11:59:31 +0100 From: Christoph Hellwig To: Stefano Stabellini Cc: Christoph Hellwig , iommu@lists.linux-foundation.org, x86@kernel.org, Anshuman Khandual , Tom Lendacky , Konrad Rzeszutek Wilk , Boris Ostrovsky , Juergen Gross , Joerg Roedel , David Woodhouse , Lu Baolu , Robin Murphy , linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-hyperv@vger.kernel.org, tboot-devel@lists.sourceforge.net, linux-pci@vger.kernel.org Subject: Re: [PATCH 11/12] swiotlb: merge swiotlb-xen initialization into swiotlb Message-ID: <20220303105931.GA15137@lst.de> References: <20220301105311.885699-1-hch@lst.de> <20220301105311.885699-12-hch@lst.de> <20220302081500.GB23075@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220303_025935_843551_FC887E22 X-CRM114-Status: GOOD ( 10.29 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Wed, Mar 02, 2022 at 05:25:10PM -0800, Stefano Stabellini wrote: > Thinking more about it we actually need to drop the xen_initial_domain() > check otherwise some cases won't be functional (Dom0 not 1:1 mapped, or > DomU 1:1 mapped). Hmm, but that would be the case even before this series, right? _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv 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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 0B160C433EF for ; Thu, 3 Mar 2022 11:00:03 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4K8SgN66vcz3cgL for ; Thu, 3 Mar 2022 22:00:00 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lst.de (client-ip=213.95.11.211; helo=verein.lst.de; envelope-from=hch@lst.de; receiver=) Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4K8Sfx2MBRz3bsc for ; Thu, 3 Mar 2022 21:59:37 +1100 (AEDT) Received: by verein.lst.de (Postfix, from userid 2407) id DB58D68AFE; Thu, 3 Mar 2022 11:59:31 +0100 (CET) Date: Thu, 3 Mar 2022 11:59:31 +0100 From: Christoph Hellwig To: Stefano Stabellini Subject: Re: [PATCH 11/12] swiotlb: merge swiotlb-xen initialization into swiotlb Message-ID: <20220303105931.GA15137@lst.de> References: <20220301105311.885699-1-hch@lst.de> <20220301105311.885699-12-hch@lst.de> <20220302081500.GB23075@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-hyperv@vger.kernel.org, x86@kernel.org, linux-ia64@vger.kernel.org, linux-pci@vger.kernel.org, linux-riscv@lists.infradead.org, Christoph Hellwig , linux-s390@vger.kernel.org, Joerg Roedel , Konrad Rzeszutek Wilk , tboot-devel@lists.sourceforge.net, xen-devel@lists.xenproject.org, David Woodhouse , Tom Lendacky , Anshuman Khandual , Boris Ostrovsky , linux-arm-kernel@lists.infradead.org, Juergen Gross , Robin Murphy , linux-mips@vger.kernel.org, iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, Lu Baolu Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, Mar 02, 2022 at 05:25:10PM -0800, Stefano Stabellini wrote: > Thinking more about it we actually need to drop the xen_initial_domain() > check otherwise some cases won't be functional (Dom0 not 1:1 mapped, or > DomU 1:1 mapped). Hmm, but that would be the case even before this series, right? 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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 B7D56C433F5 for ; Thu, 3 Mar 2022 11:00:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=c9Z4FqDgI/4aDDs4vDYOPOZm8IuvW0tpMpZojpetbwE=; b=WH06HaiB0MO8+I Bjpg4M1MHc8fQajmYPK4WOUKrnMRaB3L3V4G4UiOjCrep3XRQ79uR9FhUg8XVlvP7eKC5gW/Cwu2C lFEGNLUILYfb+8Ts/kyxgT+o/fx3uwC9URjtaeTOgoBFhZ/to595hzTzaEUJZDzy8O0/p+OIhr+DA 3GHGnbCMTryvdQjyUN/vxNruWi4BqUiHMoTnJGkFKJlWYO5o8bEkQccGbdnttGj2rfdpZwMicoN7G kx2kRMiM8df/VfzGujRedZ9VGKOa0Hw+i/72bA6k5jm95IerOwSvDXaPhI5xJpRX2bloN26Lz3rIx xPduzDffVnUG613NpDcw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nPjBM-0068jV-2J; Thu, 03 Mar 2022 10:59:40 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nPjBH-0068hq-L0; Thu, 03 Mar 2022 10:59:37 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id DB58D68AFE; Thu, 3 Mar 2022 11:59:31 +0100 (CET) Date: Thu, 3 Mar 2022 11:59:31 +0100 From: Christoph Hellwig To: Stefano Stabellini Cc: Christoph Hellwig , iommu@lists.linux-foundation.org, x86@kernel.org, Anshuman Khandual , Tom Lendacky , Konrad Rzeszutek Wilk , Boris Ostrovsky , Juergen Gross , Joerg Roedel , David Woodhouse , Lu Baolu , Robin Murphy , linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-hyperv@vger.kernel.org, tboot-devel@lists.sourceforge.net, linux-pci@vger.kernel.org Subject: Re: [PATCH 11/12] swiotlb: merge swiotlb-xen initialization into swiotlb Message-ID: <20220303105931.GA15137@lst.de> References: <20220301105311.885699-1-hch@lst.de> <20220301105311.885699-12-hch@lst.de> <20220302081500.GB23075@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220303_025935_843551_FC887E22 X-CRM114-Status: GOOD ( 10.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Mar 02, 2022 at 05:25:10PM -0800, Stefano Stabellini wrote: > Thinking more about it we actually need to drop the xen_initial_domain() > check otherwise some cases won't be functional (Dom0 not 1:1 mapped, or > DomU 1:1 mapped). Hmm, but that would be the case even before this series, right? _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel