From: kbusch@kernel.org (Keith Busch)
Subject: No subject
Date: Thu, 21 Mar 2019 10:21:40 -0600 [thread overview]
Message-ID: <20190321162140.GA29342@localhost.localdomain> (raw)
In-Reply-To: <20190321161239.GH31434@stefanha-x1.localdomain>
On Thu, Mar 21, 2019@04:12:39PM +0000, Stefan Hajnoczi wrote:
> mdev-nvme seems like a duplication of SPDK. The performance is not
> better and the features are more limited, so why focus on this approach?
>
> One argument might be that the kernel NVMe subsystem wants to offer this
> functionality and loading the kernel module is more convenient than
> managing SPDK to some users.
>
> Thoughts?
Doesn't SPDK bind a controller to a single process? mdev binds to
namespaces (or their partitions), so you could have many mdev's assigned
to many VMs accessing a single controller.
next prev parent reply other threads:[~2019-03-21 16:21 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-19 14:41 No subject Maxim Levitsky
2019-03-19 14:41 ` [PATCH 1/9] vfio/mdev: add .request callback Maxim Levitsky
2019-03-19 14:41 ` [PATCH 2/9] nvme/core: add some more values from the spec Maxim Levitsky
2019-03-19 14:41 ` [PATCH 3/9] nvme/core: add NVME_CTRL_SUSPENDED controller state Maxim Levitsky
2019-03-19 14:41 ` [PATCH 4/9] nvme/pci: use the NVME_CTRL_SUSPENDED state Maxim Levitsky
2019-03-20 2:54 ` Fam Zheng
2019-03-19 14:41 ` [PATCH 5/9] nvme/pci: add known admin effects to augument admin effects log page Maxim Levitsky
2019-03-19 14:41 ` [PATCH 6/9] nvme/pci: init shadow doorbell after each reset Maxim Levitsky
2019-03-19 14:41 ` [PATCH 7/9] nvme/core: add mdev interfaces Maxim Levitsky
2019-03-20 11:46 ` Stefan Hajnoczi
2019-03-20 12:50 ` Maxim Levitsky
2019-03-19 14:41 ` [PATCH 8/9] nvme/core: add nvme-mdev core driver Maxim Levitsky
2019-03-19 14:41 ` [PATCH 9/9] nvme/pci: implement the mdev external queue allocation interface Maxim Levitsky
2019-03-19 14:58 ` [PATCH 0/9] RFC: NVME VFIO mediated device Maxim Levitsky
2019-03-25 18:52 ` [PATCH 0/9] RFC: NVME VFIO mediated device [BENCHMARKS] Maxim Levitsky
2019-03-26 9:38 ` Stefan Hajnoczi
2019-03-26 9:50 ` Maxim Levitsky
2019-03-19 15:22 ` your mail Keith Busch
2019-03-19 23:49 ` Chaitanya Kulkarni
2019-03-20 16:44 ` Maxim Levitsky
2019-03-20 16:30 ` Maxim Levitsky
2019-03-20 17:03 ` Keith Busch
2019-03-20 17:33 ` Maxim Levitsky
2019-04-08 10:04 ` Maxim Levitsky
2019-03-20 11:03 ` No subject Felipe Franciosi
2019-03-20 19:08 ` Maxim Levitsky
2019-03-21 16:12 ` Stefan Hajnoczi
2019-03-21 16:21 ` Keith Busch [this message]
2019-03-21 16:41 ` Felipe Franciosi
2019-03-21 17:04 ` Maxim Levitsky
2019-03-22 7:54 ` Felipe Franciosi
2019-03-22 10:32 ` Maxim Levitsky
2019-03-22 15:30 ` Keith Busch
2019-03-25 15:44 ` Felipe Franciosi
2019-03-20 15:08 ` [PATCH 0/9] RFC: NVME VFIO mediated device Bart Van Assche
2019-03-20 16:48 ` Maxim Levitsky
2019-03-20 15:28 ` Bart Van Assche
2019-03-20 16:42 ` Maxim Levitsky
2019-03-20 17:03 ` Alex Williamson
2019-03-21 16:13 ` your mail Stefan Hajnoczi
2019-03-21 17:07 ` Maxim Levitsky
2019-03-25 16:46 ` Stefan Hajnoczi
-- strict thread matches above, loose matches on Subject: below --
2018-10-05 13:39 No subject Christoph Hellwig
2018-02-02 6:54 Jianchao Wang
2017-09-13 18:15 unmesh rathi
2017-04-21 23:23 Sandeep Mann
2017-02-07 0:22 Scott Bauer
2017-02-07 0:46 ` Jens Axboe
2014-11-10 6:39 Libo Chen
2014-11-10 3:11 Libo Chen
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=20190321162140.GA29342@localhost.localdomain \
--to=kbusch@kernel.org \
/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