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.gnu.org (lists.gnu.org [209.51.188.17]) (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 BB175C54EBE for ; Fri, 13 Jan 2023 15:43:54 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pGLEX-0000XJ-Dd; Fri, 13 Jan 2023 09:40:41 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pGLER-0000Rc-UT for qemu-devel@nongnu.org; Fri, 13 Jan 2023 09:40:38 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pGLEP-00017E-B1 for qemu-devel@nongnu.org; Fri, 13 Jan 2023 09:40:35 -0500 Received: from lhrpeml500005.china.huawei.com (unknown [172.18.147.200]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4NtkXp2FWpz67D8Q; Fri, 13 Jan 2023 22:37:46 +0800 (CST) Received: from localhost (10.81.201.219) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Fri, 13 Jan 2023 14:40:27 +0000 Date: Fri, 13 Jan 2023 14:40:26 +0000 To: Gregory Price CC: , Michael Tsirkin , Ben Widawsky , , , Ira Weiny , Gregory Price Subject: Re: [PATCH 0/8] hw/cxl: CXL emulation cleanups and minor fixes for upstream Message-ID: <20230113144026.000001fb@Huawei.com> In-Reply-To: References: <20230111142440.24771-1-Jonathan.Cameron@huawei.com> <20230112172130.0000391b@Huawei.com> <20230113091213.00002146@Huawei.com> Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 4.1.0 (GTK 3.24.33; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.81.201.219] X-ClientProxiedBy: lhrpeml500005.china.huawei.com (7.191.163.240) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CFilter-Loop: Reflected Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Jonathan Cameron From: Jonathan Cameron via Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Fri, 13 Jan 2023 09:19:59 -0500 Gregory Price wrote: > On Fri, Jan 13, 2023 at 09:12:13AM +0000, Jonathan Cameron wrote: > > > > Just to check, are these different from the on stack problem you reported > > previously? Doesn't look like the fix for that has made it upstream yet. > > > > What kernel are you running? > > > > > > The prior issue I saw was related to the CXL Fixed Memory Window having > an e820 region registered during machine initialization. That fix is > upstream. > > On 2023-1-11 branch it is commit 2486dd045794d65598fbca9fd1224c27b9732dce > > This one appears when registering any kind of type-3 device, during > boot. I meant this one https://lore.kernel.org/all/20221118000524.1477383-1-ira.weiny@intel.com/ Sorry, should have dug out a link in earlier reply and save a round trip. Jonathan