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Fri, 13 Jan 2023 14:20:01 +0000 Date: Fri, 13 Jan 2023 09:19:59 -0500 From: Gregory Price To: Jonathan Cameron Cc: qemu-devel@nongnu.org, Michael Tsirkin , Ben Widawsky , linux-cxl@vger.kernel.org, linuxarm@huawei.com, Ira Weiny , Gregory Price Subject: Re: [PATCH 0/8] hw/cxl: CXL emulation cleanups and minor fixes for upstream Message-ID: References: <20230111142440.24771-1-Jonathan.Cameron@huawei.com> <20230112172130.0000391b@Huawei.com> <20230113091213.00002146@Huawei.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230113091213.00002146@Huawei.com> X-ClientProxiedBy: BL1PR13CA0084.namprd13.prod.outlook.com (2603:10b6:208:2b8::29) To BN6PR17MB3121.namprd17.prod.outlook.com (2603:10b6:405:7c::19) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN6PR17MB3121:EE_|MW4PR17MB4874:EE_ X-MS-Office365-Filtering-Correlation-Id: caceab53-c63f-497d-5c5e-08daf571421d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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envelope-from=gregory.price@memverge.com; helo=NAM12-DM6-obe.outbound.protection.outlook.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FORGED_SPF_HELO=1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_NONE=0.001 autolearn=no 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: , 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, 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.