Received: by 2002:ac0:946b:0:0:0:0:0 with SMTP id j40csp3126572imj; Mon, 11 Feb 2019 14:29:49 -0800 (PST) X-Google-Smtp-Source: AHgI3IaAXp2EMwnsI++BP3sRK55dig4YyaDlFZnQ1+h3fF8Xc0fSiPwWG9tLlBxTcauEJbiIc9n+ X-Received: by 2002:a17:902:27e6:: with SMTP id i35mr582241plg.222.1549924189842; Mon, 11 Feb 2019 14:29:49 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1549924189; cv=none; d=google.com; s=arc-20160816; b=W7optLuE58sPErJ0TUew/82Kokofj4LhkKpS94RVzDVdsUDXAyiMt3LY3rVumthBDO cCMdbrk8RzOpaBKwPeuOsAOOxQErLdNci/HPDbJ1CPxkPMfXnsEhHIrFWAx2My+/aNZ0 6qMkRKIQV9LwNkKnmv6iF0Amquy5K70JZkPgpK4Osd9nRb4aRspgNOv78zsZ8YkyJxc6 e31HyCX9AUdxfvF/+ER37hjxzgEVUUY4hLlHsoCY9MRV6PKEZu7PZK6KErht9L1GMahy mAtJ519fU82CPmBRa65BGMAJs9ooFKIax+IP0/+y44FFWR2ndXyRXRF2iq6/LNqL8ZGc eZQw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=9rxn84kFCm5FC5Z0jofnALw1cetjCn6d8lcExZ91R8s=; b=snGYsK8ABp4F0a35StNiSwNqf3tF8Vrt7EnlQEUodYPK0RDVou4YgNF1H4PCZACKdx Ldys6uGFPEOm5TsIOI6UdnWsNMbp9N6Z2aeh3+3NV2EX6oP+r2JCOElLi0jfl38SsYxx SZBjQdhWfvKenXcy203AheTR83VtiU9uZOUJECNwGCZujkwfsndKYjGQswg3oP4ZKFgV VndzoBf0kKlE4yvKuffNLGWzfVO40yvSb9r7YFyaX3YcVFGXmnNGkiYS6amdWlKddviu XlfuSu7B1Qm4Y+n4K51EoflwMZD2bmInGoImLVTit2KVWy3fPJeblw0kcccEk15oVLi7 VkLQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id k135si5807156pgc.574.2019.02.11.14.29.33; Mon, 11 Feb 2019 14:29:49 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727512AbfBKW3M (ORCPT + 99 others); Mon, 11 Feb 2019 17:29:12 -0500 Received: from ipmail01.adl2.internode.on.net ([150.101.137.133]:21674 "EHLO ipmail01.adl2.internode.on.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726751AbfBKW3M (ORCPT ); Mon, 11 Feb 2019 17:29:12 -0500 Received: from ppp59-167-129-252.static.internode.on.net (HELO dastard) ([59.167.129.252]) by ipmail01.adl2.internode.on.net with ESMTP; 12 Feb 2019 08:59:08 +1030 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1gtK4Z-0002IS-MO; Tue, 12 Feb 2019 09:29:07 +1100 Date: Tue, 12 Feb 2019 09:29:07 +1100 From: Dave Chinner To: Pankaj Gupta Cc: "Michael S. Tsirkin" , dchinner@redhat.com, jack@suse.cz, kvm@vger.kernel.org, david@redhat.com, linux-nvdimm@ml01.01.org, jasowang@redhat.com, qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org, adilger kernel , zwisler@kernel.org, Andrea Arcangeli , dave jiang , darrick wong , vishal l verma , willy@infradead.org, hch@infradead.org, linux-acpi@vger.kernel.org, jmoyer@redhat.com, nilal@redhat.com, riel@surriel.com, stefanha@redhat.com, imammedo@redhat.com, dan j williams , lcapitulino@redhat.com, kwolf@redhat.com, linux-ext4@vger.kernel.org, tytso@mit.edu, xiaoguangrong eric , rjw@rjwysocki.net, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, pbonzini@redhat.com Subject: Re: [Qemu-devel] security implications of caching with virtio pmem (was Re: [PATCH v3 0/5] kvm "virtio pmem" device) Message-ID: <20190211222907.GR14116@dastard> References: <20190109144736.17452-1-pagupta@redhat.com> <20190204170515-mutt-send-email-mst@kernel.org> <888328358.132676.1549870186945.JavaMail.zimbra@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <888328358.132676.1549870186945.JavaMail.zimbra@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 11, 2019 at 02:29:46AM -0500, Pankaj Gupta wrote: > Hello Dave, > Are we okay with this? Sure. I'm not sure I agree with all the analysis presented, but, well, I haven't looked any deeper because I'm tired of being shouted at and being called argumentative for daring to ask hard questions about this topic.... Cheers, Dave. -- Dave Chinner david@fromorbit.com