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 A4F042CA1 for ; Tue, 1 Feb 2022 11:00:58 +0000 (UTC) Received: from fraeml710-chm.china.huawei.com (unknown [172.18.147.201]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Jp21z4YKQz67xMv; Tue, 1 Feb 2022 18:57:11 +0800 (CST) Received: from lhreml710-chm.china.huawei.com (10.201.108.61) by fraeml710-chm.china.huawei.com (10.206.15.59) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Tue, 1 Feb 2022 12:00:56 +0100 Received: from localhost (10.202.226.41) 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 15.1.2308.21; Tue, 1 Feb 2022 11:00:55 +0000 Date: Tue, 1 Feb 2022 11:00:54 +0000 From: Jonathan Cameron To: Dan Williams CC: , , Subject: Re: [PATCH v4 19/40] cxl/port: Up-level cxl_add_dport() locking requirements to the caller Message-ID: <20220201110054.000066b4@Huawei.com> In-Reply-To: <164367759016.324231.105551648350470000.stgit@dwillia2-desk3.amr.corp.intel.com> References: <164298422000.3018233.4106867312927858722.stgit@dwillia2-desk3.amr.corp.intel.com> <164367759016.324231.105551648350470000.stgit@dwillia2-desk3.amr.corp.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: nvdimm@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: [10.202.226.41] X-ClientProxiedBy: lhreml733-chm.china.huawei.com (10.201.108.84) To lhreml710-chm.china.huawei.com (10.201.108.61) X-CFilter-Loop: Reflected On Mon, 31 Jan 2022 17:07:38 -0800 Dan Williams wrote: > In preparation for moving dport enumeration into the core, require the > port device lock to be acquired by the caller. > > Signed-off-by: Dan Williams Reviewed-by: Jonathan Cameron