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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 B601AC433DF for ; Fri, 15 May 2020 15:43:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 944F720758 for ; Fri, 15 May 2020 15:43:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Yrd6nYC8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726246AbgEOPnx (ORCPT ); Fri, 15 May 2020 11:43:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726234AbgEOPnw (ORCPT ); Fri, 15 May 2020 11:43:52 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C85B8C061A0C for ; Fri, 15 May 2020 08:43:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=BjsvnKmgLtuX+mwy7iZ0Hc2xoPJhHClDJ9oKI8T01Ec=; b=Yrd6nYC8k4cK9PpxgDftcC4dfg 9Px+9LjhYk7LVdANR2rgAUg0/IuV/QWlGTx+cqQPC88JXWay2HP3TMaIqyhMiHf0Qo1wU3DmJnw6J 67Kk1vLGt0YJINJ+22gk/YXFI9w8bbxr4gv1KqQQsoV/9hF8oQWsRaXU6k47Y6AJvmdw6w15W45w2 4PeeDRN+Fx9XhZyilPxwtPApQzlzsBUddUZfvmIpcspEZcm+WqTHHRVu4VzkwgiEC66ljw5AFhRy5 dXojjXf721u5sEkGW7sS3iHdvWv0r0esq13SFz0BYIrQFRVS+MEV6T/PiUVK0vPjtd1hf/x4NtSFl sdlzzfEQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jZcV5-0002Ks-2e; Fri, 15 May 2020 15:43:51 +0000 Date: Fri, 15 May 2020 08:43:51 -0700 From: Christoph Hellwig To: Jean-Philippe Brucker Cc: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, joro@8bytes.org, bhelgaas@google.com, ashok.raj@intel.com, will@kernel.org, alex.williamson@redhat.com, robin.murphy@arm.com, dwmw2@infradead.org, baolu.lu@linux.intel.com Subject: Re: [PATCH 0/4] PCI, iommu: Factor 'untrusted' check for ATS enablement Message-ID: <20200515154351.GA6546@infradead.org> References: <20200515104359.1178606-1-jean-philippe@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200515104359.1178606-1-jean-philippe@linaro.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Can you please lift the untrusted flag into struct device? It really isn't a PCI specific concept, and we should not have code poking into pci_dev all over the iommu code.