From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756916AbeDZRYk (ORCPT ); Thu, 26 Apr 2018 13:24:40 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:37056 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753282AbeDZRYf (ORCPT ); Thu, 26 Apr 2018 13:24:35 -0400 From: Jeff Moyer To: Pankaj Gupta Cc: Dan Williams , Jan Kara , KVM list , David Hildenbrand , linux-nvdimm , Ross Zwisler , Qemu Developers , lcapitulino@redhat.com, Linux MM , niteshnarayanlal@hotmail.com, "Michael S. Tsirkin" , Christoph Hellwig , Marcel Apfelbaum , Nitesh Narayan Lal , Haozhong Zhang , Rik van Riel , Stefan Hajnoczi , Paolo Bonzini , Kevin Wolf , Xiao Guangrong , Linux Kernel Mailing List , Igor Mammedov Subject: Re: [Qemu-devel] [RFC v2 1/2] virtio: add pmem driver References: <20180425112415.12327-1-pagupta@redhat.com> <20180425112415.12327-2-pagupta@redhat.com> <1499190564.23017177.1524762938762.JavaMail.zimbra@redhat.com> X-PGP-KeyID: 1F78E1B4 X-PGP-CertKey: F6FE 280D 8293 F72C 65FD 5A58 1FF8 A7CA 1F78 E1B4 X-PCLoadLetter: What the f**k does that mean? Date: Thu, 26 Apr 2018 13:24:17 -0400 In-Reply-To: <1499190564.23017177.1524762938762.JavaMail.zimbra@redhat.com> (Pankaj Gupta's message of "Thu, 26 Apr 2018 13:15:38 -0400 (EDT)") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Pankaj Gupta writes: >> Ideally, qemu (seabios?) would advertise a platform capabilities >> sub-table that doesn't fill in the flush bits. > > Could you please elaborate on this, how its related to disabling > MAP_SYNC? We are not doing entire nvdimm device emulation. My mistake. If you're not providing an NFIT, then you can ignore this comment. I'll have a closer look at your patches next week. -Jeff