From mboxrd@z Thu Jan 1 00:00:00 1970 From: keith.busch@linux.intel.com (Keith Busch) Date: Thu, 7 Jun 2018 08:27:28 -0600 Subject: [PATCH 4/6] nvme-pci: Remove HMB teardown on reset In-Reply-To: <948d3ec4-20a6-d691-685b-5b85447bbf5f@grimberg.me> References: <20180606141309.19389-1-keith.busch@intel.com> <20180606141309.19389-5-keith.busch@intel.com> <948d3ec4-20a6-d691-685b-5b85447bbf5f@grimberg.me> Message-ID: <20180607142728.GB19462@localhost.localdomain> On Thu, Jun 07, 2018@11:46:53AM +0300, Sagi Grimberg wrote: > > > The controller is required to disable its host memory buffer use on > > controller reset. > > You mean clearing controller enable? Right, clearing CC.EN in nvme spec is a "Controller Reset".