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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 5B099C5DF61 for ; Thu, 7 Nov 2019 14:19:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2A1E92178F for ; Thu, 7 Nov 2019 14:19:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388008AbfKGOT0 (ORCPT ); Thu, 7 Nov 2019 09:19:26 -0500 Received: from mga11.intel.com ([192.55.52.93]:5909 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729047AbfKGOT0 (ORCPT ); Thu, 7 Nov 2019 09:19:26 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Nov 2019 06:19:26 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,278,1569308400"; d="scan'208";a="213031550" Received: from lahna.fi.intel.com (HELO lahna) ([10.237.72.163]) by fmsmga001.fm.intel.com with SMTP; 07 Nov 2019 06:19:23 -0800 Received: by lahna (sSMTP sendmail emulation); Thu, 07 Nov 2019 16:19:22 +0200 Date: Thu, 7 Nov 2019 16:19:22 +0200 From: "mika.westerberg@linux.intel.com" To: Nicholas Johnson Cc: "linux-kernel@vger.kernel.org" , "linux-pci@vger.kernel.org" , "bhelgaas@google.com" , "corbet@lwn.net" , "benh@kernel.crashing.org" , "logang@deltatee.com" Subject: Re: [PATCH v9 1/4] PCI: Consider alignment of hot-added bridges when distributing available resources Message-ID: <20191107141922.GQ2552@lahna.fi.intel.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Tue, Oct 29, 2019 at 03:28:21PM +0000, Nicholas Johnson wrote: > Rewrite pci_bus_distribute_available_resources to better handle bridges > with different resource alignment requirements. Pass more details > arguments recursively to track the resource start and end addresses > relative to the initial hotplug bridge. This is especially useful for > Thunderbolt with native PCI enumeration, enabling external graphics > cards and other devices with bridge alignment higher than 1MB. > > Link: https://bugzilla.kernel.org/show_bug.cgi?id=199581 > > Reported-by: Mika Westerberg > Tested-by: Mika Westerberg > Signed-off-by: Nicholas Johnson Reviewed-by: Mika Westerberg