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]
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