From: Wei Yang <richardw.yang@linux.intel.com>
To: Pankaj Gupta <pagupta@redhat.com>
Cc: kwolf@redhat.com, aarcange@redhat.com,
xiaoguangrong eric <xiaoguangrong.eric@gmail.com>,
mst@redhat.com, cohuck@redhat.com, david@redhat.com,
qemu-devel@nongnu.org, ehabkost@redhat.com, armbru@redhat.com,
Wei Yang <richardw.yang@linux.intel.com>,
stefanha@redhat.com, pbonzini@redhat.com, lcapitulino@redhat.com,
imammedo@redhat.com, riel@surriel.com, nilal@redhat.com,
dan j williams <dan.j.williams@intel.com>,
dgilbert@redhat.com, rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH v2 0/7] Qemu virtio pmem device
Date: Wed, 3 Jul 2019 10:42:19 +0800 [thread overview]
Message-ID: <20190703024219.GA4444@richard> (raw)
In-Reply-To: <1195441475.38747365.1562121061024.JavaMail.zimbra@redhat.com>
On Tue, Jul 02, 2019 at 10:31:01PM -0400, Pankaj Gupta wrote:
>
>
>>
>> Ok, if it works, we could list those regions? and change pmem0 mode to dax
>> mode, right?
>
>You mean fs dax?
>I don't think currently we support this because raw image wont have any metadata.
>Will have to think if this is at all possible or how we can achieve such behavior.
>
Ok, I got it.
>Also, there is requirement to support host backing file on real NVDIMM and
>virtio. Once we have have first version of virtio pmem series merged upstream
>we will continue to work on advance features depending upon feasibility.
>
One curiosity, what difference make NVDIMM backend doesn't work now?
The /dev/dax0.0 is a char file. The nvdimm device use mmap to map HVA to HPA.
It looks a normal file to me. Would appreciated it if you would share some
light on it.
>Thanks,
>Pankaj
>
>
--
Wei Yang
Help you, Help me
next prev parent reply other threads:[~2019-07-03 2:43 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-19 9:49 [Qemu-devel] [PATCH v2 0/7] Qemu virtio pmem device Pankaj Gupta
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 1/7] virtio-pmem: add virtio device Pankaj Gupta
2019-07-02 11:46 ` Cornelia Huck
2019-07-02 15:07 ` [Qemu-devel] [PULL 05/22] " Michael S. Tsirkin
2019-07-11 12:57 ` Peter Maydell
2019-07-11 14:05 ` Pankaj Gupta
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 2/7] virtio-pci: Allow to specify additional interfaces for the base type Pankaj Gupta
2019-07-02 15:07 ` [Qemu-devel] [PULL 06/22] " Michael S. Tsirkin
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 3/7] virtio-pmem: sync linux headers Pankaj Gupta
2019-07-02 11:50 ` Cornelia Huck
2019-07-02 11:59 ` Pankaj Gupta
2019-07-02 16:58 ` Michael S. Tsirkin
2019-07-02 17:09 ` Pankaj Gupta
2019-07-02 17:11 ` Michael S. Tsirkin
2019-07-02 17:21 ` Pankaj Gupta
2019-07-02 15:10 ` Michael S. Tsirkin
2019-07-02 15:07 ` [Qemu-devel] [PULL 07/22] " Michael S. Tsirkin
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 4/7] virtio-pci: Proxy for virtio-pmem Pankaj Gupta
2019-07-02 11:55 ` Cornelia Huck
2019-07-02 12:00 ` Pankaj Gupta
2019-07-02 17:09 ` Michael S. Tsirkin
2019-07-02 17:14 ` Pankaj Gupta
2019-07-02 15:07 ` [Qemu-devel] [PULL 08/22] " Michael S. Tsirkin
2019-07-11 12:59 ` Peter Maydell
2019-07-11 13:27 ` Pankaj Gupta
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 5/7] hmp: Handle virtio-pmem when printing memory device infos Pankaj Gupta
2019-07-02 8:50 ` Wei Yang
2019-07-02 10:17 ` Pankaj Gupta
2019-07-02 15:07 ` [Qemu-devel] [PULL 09/22] " Michael S. Tsirkin
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 6/7] numa: Handle virtio-pmem in NUMA stats Pankaj Gupta
2019-07-02 15:07 ` [Qemu-devel] [PULL 10/22] " Michael S. Tsirkin
2019-06-19 9:49 ` [Qemu-devel] [PATCH v2 7/7] pc: Support for virtio-pmem-pci Pankaj Gupta
2019-07-02 15:07 ` [Qemu-devel] [PULL 11/22] " Michael S. Tsirkin
2019-07-01 3:53 ` [Qemu-devel] [PATCH v2 0/7] Qemu virtio pmem device Pankaj Gupta
2019-07-02 8:49 ` Wei Yang
2019-07-02 10:07 ` Pankaj Gupta
2019-07-03 0:58 ` Wei Yang
2019-07-03 1:31 ` Pankaj Gupta
2019-07-03 1:57 ` Wei Yang
2019-07-03 2:31 ` Pankaj Gupta
2019-07-03 2:42 ` Wei Yang [this message]
2019-07-03 3:21 ` Pankaj Gupta
-- strict thread matches above, loose matches on Subject: below --
2019-06-26 2:31 [Qemu-devel] [PATCH v4 0/5] virtio: fix some issues of "started" and "start_on_kick" flag elohimes
2019-06-26 2:31 ` [Qemu-devel] [PATCH v4 1/5] virtio: add "use-started" property elohimes
2019-06-26 10:17 ` Greg Kurz
2019-06-27 2:20 ` Yongji Xie
2019-07-02 15:07 ` [Qemu-devel] [PULL 13/22] " Michael S. Tsirkin
2019-06-26 2:31 ` [Qemu-devel] [PATCH v4 2/5] virtio: Set "start_on_kick" for legacy devices elohimes
2019-07-02 15:07 ` [Qemu-devel] [PULL 14/22] " Michael S. Tsirkin
2019-06-26 2:31 ` [Qemu-devel] [PATCH v4 3/5] virtio: Set "start_on_kick" on virtio_set_features() elohimes
2019-07-02 15:08 ` [Qemu-devel] [PULL 15/22] " Michael S. Tsirkin
2019-06-26 2:31 ` [Qemu-devel] [PATCH v4 4/5] virtio: Make sure we get correct state of device on handle_aio_output() elohimes
2019-07-02 15:08 ` [Qemu-devel] [PULL 16/22] " Michael S. Tsirkin
2019-06-26 2:31 ` [Qemu-devel] [PATCH v4 5/5] virtio: Don't change "started" flag on virtio_vmstate_change() elohimes
2019-07-02 15:08 ` [Qemu-devel] [PULL 17/22] " Michael S. Tsirkin
2019-06-26 10:43 ` [Qemu-devel] [PATCH v4 0/5] virtio: fix some issues of "started" and "start_on_kick" flag Laurent Vivier
2019-06-27 2:19 ` Yongji Xie
2019-06-26 7:48 [Qemu-devel] [PATCH v2 0/4] libvhost-user: VHOST_USER_PROTOCOL_F_MQ support Stefan Hajnoczi
2019-06-26 7:48 ` [Qemu-devel] [PATCH v2 1/4] libvhost-user: add vmsg_set_reply_u64() helper Stefan Hajnoczi
2019-07-02 15:08 ` [Qemu-devel] [PULL 19/22] " Michael S. Tsirkin
2019-06-26 7:48 ` [Qemu-devel] [PATCH v2 2/4] libvhost-user: support many virtqueues Stefan Hajnoczi
2019-07-02 15:08 ` [Qemu-devel] [PULL 20/22] " Michael S. Tsirkin
2019-06-26 7:48 ` [Qemu-devel] [PATCH v2 3/4] libvhost-user: implement VHOST_USER_PROTOCOL_F_MQ Stefan Hajnoczi
2019-07-02 15:08 ` [Qemu-devel] [PULL 21/22] " Michael S. Tsirkin
2019-06-26 7:48 ` [Qemu-devel] [PATCH v2 4/4] docs: avoid vhost-user-net specifics in multiqueue section Stefan Hajnoczi
2019-07-02 15:08 ` [Qemu-devel] [PULL 22/22] " Michael S. Tsirkin
2019-07-02 15:06 [Qemu-devel] [PULL 00/22] virtio, pc, pci: features, fixes, cleanups Michael S. Tsirkin
2019-06-25 23:23 ` [Qemu-devel] [PATCH] virtio-pci: fix missing device properties Marc-André Lureau
2019-06-26 1:55 ` Eduardo Habkost
2019-06-26 9:48 ` Marc-André Lureau
2019-06-26 12:39 ` Eduardo Habkost
2019-07-02 15:07 ` [Qemu-devel] [PULL 12/22] " Michael S. Tsirkin
2019-06-28 20:02 ` [Qemu-devel] [PATCH] pc: Move compat_apic_id_mode variable to PCMachineClass Eduardo Habkost
2019-06-29 10:46 ` Philippe Mathieu-Daudé
2019-06-30 21:30 ` Michael S. Tsirkin
2019-07-02 15:08 ` [Qemu-devel] [PULL 18/22] " Michael S. Tsirkin
2019-07-02 15:06 ` [Qemu-devel] [PULL 01/22] pcie: don't skip multi-mask events Michael S. Tsirkin
2019-07-02 15:06 ` [Qemu-devel] [PULL 02/22] pcie: check that slt ctrl changed before deleting Michael S. Tsirkin
2019-07-11 12:31 ` Peter Maydell
2019-07-02 15:06 ` [Qemu-devel] [PULL 03/22] pcie: work around for racy guest init Michael S. Tsirkin
2019-07-02 15:06 ` [Qemu-devel] [PULL 04/22] pcie: minor cleanups for slot control/status Michael S. Tsirkin
2019-07-02 15:56 ` [Qemu-devel] [PULL 00/22] virtio, pc, pci: features, fixes, cleanups Peter Maydell
2019-07-02 17:00 ` Michael S. Tsirkin
2019-07-02 17:20 ` Peter Maydell
2019-07-02 18:22 ` Michael S. Tsirkin
2019-07-02 18:27 ` Peter Maydell
2019-07-02 19:00 ` Michael S. Tsirkin
2019-07-26 12:39 ` Peter Maydell
2019-07-26 13:43 ` Michael S. Tsirkin
2019-07-04 9:25 ` Peter Maydell
2019-07-04 11:03 ` Pankaj Gupta
2019-07-04 21:24 ` Michael S. Tsirkin
2019-07-05 9:37 ` Pankaj Gupta
2019-07-04 21:29 ` Michael S. Tsirkin
2019-07-05 9:47 ` Peter Maydell
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190703024219.GA4444@richard \
--to=richardw.yang@linux.intel.com \
--cc=aarcange@redhat.com \
--cc=armbru@redhat.com \
--cc=cohuck@redhat.com \
--cc=dan.j.williams@intel.com \
--cc=david@redhat.com \
--cc=dgilbert@redhat.com \
--cc=ehabkost@redhat.com \
--cc=imammedo@redhat.com \
--cc=kwolf@redhat.com \
--cc=lcapitulino@redhat.com \
--cc=mst@redhat.com \
--cc=nilal@redhat.com \
--cc=pagupta@redhat.com \
--cc=pbonzini@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=riel@surriel.com \
--cc=rth@twiddle.net \
--cc=stefanha@redhat.com \
--cc=xiaoguangrong.eric@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).