From: Pankaj Gupta <pagupta@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
Christoph Hellwig <hch@infradead.org>
Cc: Kevin Wolf <kwolf@redhat.com>, Rik van Riel <riel@redhat.com>,
Jan Kara <jack@suse.cz>,
Xiao Guangrong <xiaoguangrong.eric@gmail.com>,
kvm-devel <kvm@vger.kernel.org>,
"linux-nvdimm@lists.01.org" <linux-nvdimm@ml01.01.org>,
Ross Zwisler <ross.zwisler@intel.com>,
Qemu Developers <qemu-devel@nongnu.org>,
Stefan Hajnoczi <stefanha@redhat.com>,
Stefan Hajnoczi <stefanha@gmail.com>,
Nitesh Narayan Lal <nilal@redhat.com>
Subject: Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion
Date: Fri, 24 Nov 2017 08:02:53 -0500 (EST) [thread overview]
Message-ID: <919538865.34455774.1511528573448.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <d5bcb61c-1f7c-faa7-f19b-a8f02f505b4a@redhat.com>
> > - Suggestion by Paolo & Stefan(previously) to use virtio-blk makes sense
> > if just
> > want a flush vehicle to send guest commands to host and get reply
> > after asynchronous
> > execution. There was previous discussion [1] with Rik & Dan on this.
> >
> > [1] https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg08373.html
>
> ... in fact, the virtio-blk device _could_ actually accept regular I/O
> too. That would make it easier to boot from pmem. Is there anything
> similar in regular hardware?
there is existing block device associated(hard bind) with the pmem range.
Also, comment by Christoph [1], about removing block device with DAX support.
Still I am not clear about this. Am I missing anything here?
[1] https://marc.info/?l=kvm&m=150822740332536&w=2
Pankaj
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next prev parent reply other threads:[~2017-11-24 13:02 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1455443283.33337333.1500618150787.JavaMail.zimbra@redhat.com>
2017-07-21 6:56 ` KVM "fake DAX" flushing interface - discussion Pankaj Gupta
2017-07-21 9:51 ` Haozhong Zhang
2017-07-21 10:21 ` Pankaj Gupta
2017-07-21 12:12 ` Stefan Hajnoczi
2017-07-21 13:29 ` Pankaj Gupta
2017-07-21 14:00 ` Rik van Riel
2017-07-21 15:58 ` Stefan Hajnoczi
2017-07-22 19:34 ` Dan Williams
2017-07-23 14:04 ` Rik van Riel
2017-07-23 16:01 ` Dan Williams
2017-07-23 18:10 ` Rik van Riel
2017-07-23 20:10 ` Dan Williams
2017-07-24 10:23 ` Jan Kara
2017-07-24 12:06 ` Pankaj Gupta
2017-07-24 12:37 ` Jan Kara
2017-07-24 15:10 ` Dan Williams
2017-07-24 15:48 ` Jan Kara
2017-07-24 16:19 ` Dan Williams
2017-07-25 14:27 ` Pankaj Gupta
2017-07-25 14:46 ` Dan Williams
2017-07-25 20:59 ` Rik van Riel
2017-07-26 13:47 ` Pankaj Gupta
2017-07-26 21:27 ` Rik van Riel
2017-07-26 21:40 ` Dan Williams
2017-07-26 23:46 ` Rik van Riel
2017-07-27 0:54 ` Dan Williams
2017-10-31 7:13 ` Xiao Guangrong
2017-10-31 14:20 ` Dan Williams
2017-11-01 3:43 ` Xiao Guangrong
2017-11-01 4:25 ` Dan Williams
2017-11-01 6:46 ` Xiao Guangrong
2017-11-01 15:20 ` Dan Williams
2017-11-02 8:50 ` Xiao Guangrong
2017-11-02 16:30 ` Dan Williams
2017-11-03 6:21 ` Xiao Guangrong
2017-11-21 18:19 ` Rik van Riel
2017-11-21 18:26 ` Dan Williams
2017-11-21 18:35 ` Rik van Riel
2017-11-23 4:05 ` Xiao Guangrong
2017-11-23 16:14 ` Dan Williams
2017-11-23 16:28 ` Paolo Bonzini
2017-11-24 12:40 ` Pankaj Gupta
2017-11-24 12:44 ` Paolo Bonzini
2017-11-24 13:02 ` Pankaj Gupta [this message]
2017-11-24 13:20 ` [Qemu-devel] " Paolo Bonzini
2017-11-28 18:03 ` Dan Williams
2018-01-13 6:23 ` Pankaj Gupta
2018-01-17 16:17 ` Dan Williams
2018-01-17 17:31 ` Pankaj Gupta
2018-01-18 16:53 ` David Hildenbrand
2018-01-18 17:38 ` Dan Williams
2018-01-18 17:48 ` David Hildenbrand
2018-01-18 18:45 ` Dan Williams
2018-01-18 18:54 ` Pankaj Gupta
2018-01-18 18:59 ` Dan Williams
2018-01-18 19:36 ` Pankaj Gupta
2018-01-18 19:48 ` Dan Williams
2018-01-18 19:51 ` David Hildenbrand
2018-01-18 20:11 ` Dan Williams
2017-11-06 7:57 ` [Qemu-devel] " Pankaj Gupta
2017-11-06 16:57 ` Dan Williams
2017-11-07 11:21 ` Pankaj Gupta
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