From: hch@infradead.org (Christoph Hellwig)
Subject: [RFC PATCH 0/2] Re-work CMB and add WDS support.
Date: Fri, 20 Jul 2018 09:01:07 -0700 [thread overview]
Message-ID: <20180720160107.GA10150@infradead.org> (raw)
In-Reply-To: <20180720145009.GB9294@sbauer-Z170X-UD5>
On Fri, Jul 20, 2018@08:50:10AM -0600, Scott Bauer wrote:
> On Fri, Jul 20, 2018@07:46:28AM -0700, Christoph Hellwig wrote:
> > On Thu, Jul 19, 2018@05:06:26PM -0600, Scott Bauer wrote:
> > > The second patch unfortunately bounces (memcpys) the data from host to CMB.
> > > I originally tried to map the CMB into userspace via a custom nvme mmap
> > > handler, but I'm dumb and could never get gup for direct io working correctly.
> >
> > Why?
>
> What part are you asking why about?
All of the above. What is the motivation for this series?
prev parent reply other threads:[~2018-07-20 16:01 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-19 23:06 [RFC PATCH 0/2] Re-work CMB and add WDS support Scott Bauer
2018-07-19 23:06 ` [RCF PATCH 1/2] nvme: pci: Move CMB allocation into a pool Scott Bauer
2018-07-20 14:49 ` Christoph Hellwig
2018-07-19 23:06 ` [RCF PATCH 2/2] nvme-pci: Bounce data from Host memory to CMB Memory Scott Bauer
2018-07-20 14:23 ` Keith Busch
2018-07-20 14:49 ` Christoph Hellwig
2018-07-20 14:53 ` Scott Bauer
2018-07-20 14:46 ` [RFC PATCH 0/2] Re-work CMB and add WDS support Christoph Hellwig
2018-07-20 14:50 ` Scott Bauer
2018-07-20 16:01 ` Christoph Hellwig [this message]
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=20180720160107.GA10150@infradead.org \
--to=hch@infradead.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.