From: hch@infradead.org (Christoph Hellwig)
Subject: [RCF PATCH 2/2] nvme-pci: Bounce data from Host memory to CMB Memory
Date: Fri, 20 Jul 2018 07:49:49 -0700 [thread overview]
Message-ID: <20180720144949.GC29886@infradead.org> (raw)
In-Reply-To: <20180720142343.GB4093@localhost.localdomain>
On Fri, Jul 20, 2018@08:23:43AM -0600, Keith Busch wrote:
> On Thu, Jul 19, 2018@05:06:28PM -0600, Scott Bauer wrote:
> > Signed-off-by: Scott Bauer <scott.bauer at intel.com>
>
> What does this gain us? I don't think this would do anything except
> increase the CPU utilization. If this actually buys additional
> performance, could you include some relative data and workload
> characteristics in the changelog?
Yes, as-is this seems rather counter productive..
next prev parent reply other threads:[~2018-07-20 14:49 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 [this message]
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
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=20180720144949.GC29886@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.