From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Mon, 22 Jun 2015 18:32:24 +0200 From: Christoph Hellwig Subject: Re: [PATCH 14/15] libnvdimm: support read-only btt backing devices Message-ID: <20150622163224.GA9168@lst.de> References: <20150621135406.GA9572@lst.de> <20150622063028.GA30434@lst.de> <20150622072844.GA31263@lst.de> <20150622154138.GC7952@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-fsdevel-owner@vger.kernel.org To: Jeff Moyer Cc: Christoph Hellwig , Dan Williams , Jens Axboe , "linux-nvdimm@lists.01.org" , "linux-kernel@vger.kernel.org" , Linux ACPI , linux-fsdevel , Ingo Molnar List-ID: On Mon, Jun 22, 2015 at 12:00:54PM -0400, Jeff Moyer wrote: > Right now, the guidance should be to always use btt since there are no > applications that are directly taking advantage of persistent memory > (that I know). I expect documentation would take care of that. I also > expect that, as applications add support, they would note the > requirement for dax mountpoints in their documentation. It's not just DAX. Avoiding the overhead for anything else is another good reason. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in