From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A162F7B; Thu, 30 Jun 2022 17:14:37 +0000 (UTC) Received: from fraeml734-chm.china.huawei.com (unknown [172.18.147.201]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4LYlHt5Dw6z6H6sG; Fri, 1 Jul 2022 01:12:10 +0800 (CST) Received: from lhreml710-chm.china.huawei.com (10.201.108.61) by fraeml734-chm.china.huawei.com (10.206.15.215) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 30 Jun 2022 19:14:34 +0200 Received: from localhost (10.81.200.250) by lhreml710-chm.china.huawei.com (10.201.108.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 30 Jun 2022 18:14:33 +0100 Date: Thu, 30 Jun 2022 18:14:32 +0100 From: Jonathan Cameron To: Dan Williams CC: , , , , Subject: Re: [PATCH 45/46] cxl/pmem: Fix offline_nvdimm_bus() to offline by bridge Message-ID: <20220630181432.000040a2@Huawei.com> In-Reply-To: <20220624041950.559155-20-dan.j.williams@intel.com> References: <165603869943.551046.3498980330327696732.stgit@dwillia2-xfh> <20220624041950.559155-20-dan.j.williams@intel.com> Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.29; i686-w64-mingw32) Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.81.200.250] X-ClientProxiedBy: lhreml754-chm.china.huawei.com (10.201.108.204) To lhreml710-chm.china.huawei.com (10.201.108.61) X-CFilter-Loop: Reflected On Thu, 23 Jun 2022 21:19:49 -0700 Dan Williams wrote: > Be careful to only disable cxl_pmem objects related to a given > cxl_nvdimm_bridge. Otherwise, offline_nvdimm_bus() reaches across CXL > domains and disables more than is expected. > > Signed-off-by: Dan Williams Fix, but not fixes tag? Probably wants a comment (I'm guessing it didn't matter until now?) By Domains, what do you mean? I don't think we have that well defined as a term.