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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 529F2C433DF for ; Tue, 30 Jun 2020 10:50:03 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2B77E2073E for ; Tue, 30 Jun 2020 10:50:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2B77E2073E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id E03A387740; Tue, 30 Jun 2020 10:50:02 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FrEcgsMWktrU; Tue, 30 Jun 2020 10:50:02 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id 421DE876CC; Tue, 30 Jun 2020 10:50:02 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 2C62AC088F; Tue, 30 Jun 2020 10:50:02 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 7C6BEC016E for ; Tue, 30 Jun 2020 10:50:00 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 67DF786BB5 for ; Tue, 30 Jun 2020 10:50:00 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tXJiSZtFhkw9 for ; Tue, 30 Jun 2020 10:49:58 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 76E1A86B16 for ; Tue, 30 Jun 2020 10:49:58 +0000 (UTC) IronPort-SDR: hnpYHpXF7hUGR0eEV1hilyJrNZz7jb5//pemAHq9/z2f3yFKzulWqdhLaJRJf0GKAsvksX9+Q2 NXhQ0X45+3fg== X-IronPort-AV: E=McAfee;i="6000,8403,9666"; a="144385494" X-IronPort-AV: E=Sophos;i="5.75,297,1589266800"; d="scan'208";a="144385494" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jun 2020 03:49:58 -0700 IronPort-SDR: AHCabFJYknbIO+16YmrYmksrEmbBeWSI8iMfurM3s88EU4yDaqt+uf+KCqFHe7Ejg8AvfzLXib 7p2mDBLjdUnA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,297,1589266800"; d="scan'208";a="386664591" Received: from kuha.fi.intel.com ([10.237.72.162]) by fmsmga001.fm.intel.com with SMTP; 30 Jun 2020 03:49:49 -0700 Received: by kuha.fi.intel.com (sSMTP sendmail emulation); Tue, 30 Jun 2020 13:49:48 +0300 Date: Tue, 30 Jun 2020 13:49:48 +0300 From: Heikki Krogerus To: Rajat Jain Subject: Re: [PATCH v2 5/7] driver core: Add device location to "struct device" and expose it in sysfs Message-ID: <20200630104948.GC856968@kuha.fi.intel.com> References: <20200630044943.3425049-1-rajatja@google.com> <20200630044943.3425049-6-rajatja@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200630044943.3425049-6-rajatja@google.com> Cc: Todd Broch , linux-pci@vger.kernel.org, lalithambika.krishnakumar@intel.com, Diego Rivas , Jean-Philippe Brucker , Furquan Shaikh , Raj Ashok , Saravana Kannan , linux-acpi@vger.kernel.org, Christian Kellner , Mattias Nissler , Jesse Barnes , Len Brown , Rajat Jain , Prashant Malani , Suzuki K Poulose , Aaron Durbin , Alex Williamson , Bjorn Helgaas , Mika Westerberg , Bernie Keany , Duncan Laurie , Greg Kroah-Hartman , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Arnd Bergmann , oohall@gmail.com, Benson Leung , David Woodhouse , Alex Levin 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 Mon, Jun 29, 2020 at 09:49:41PM -0700, Rajat Jain wrote: > Add a new (optional) field to denote the physical location of a device > in the system, and expose it in sysfs. This was discussed here: > https://lore.kernel.org/linux-acpi/20200618184621.GA446639@kroah.com/ > > (The primary choice for attribute name i.e. "location" is already > exposed as an ABI elsewhere, so settled for "site"). Individual buses > that want to support this new attribute can opt-in by setting a flag in > bus_type, and then populating the location of device while enumerating > it. So why not just call it "physical_location"? thanks, -- heikki _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu