DPDK patches and discussions
 help / color / mirror / Atom feed
From: Stephen Hemminger <stephen@networkplumber.org>
To: Avi Kivity <avi@scylladb.com>
Cc: dev@dpdk.org, hjk@hansjkoch.de, gregkh@linux-foundation.org,
	linux-kernel@vger.kernel.org
Subject: Re: [dpdk-dev] [PATCH 0/2] uio_msi: device driver
Date: Thu, 1 Oct 2015 07:57:31 -0700	[thread overview]
Message-ID: <20151001075731.2f079237@urahara> (raw)
In-Reply-To: <560D11F6.2080609@scylladb.com>

On Thu, 1 Oct 2015 13:59:02 +0300
Avi Kivity <avi@scylladb.com> wrote:

> On 10/01/2015 01:28 AM, Stephen Hemminger wrote:
> > This is a new UIO device driver to allow supporting MSI-X and MSI devices
> > in userspace.  It has been used in environments like VMware and older versions
> > of QEMU/KVM where no IOMMU support is available.  
> 
> Why not add msi/msix support to uio_pci_generic?

That is possible but that would meet ABI and other resistance from the author.
Also, uio_pci_generic makes it harder to find resources since it doesn't fully
utilize UIO infrastructure.

  reply	other threads:[~2015-10-01 14:57 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-30 22:28 Stephen Hemminger
2015-09-30 22:28 ` [dpdk-dev] [PATCH 1/2] uio: add support for ioctls Stephen Hemminger
2015-09-30 22:28 ` [dpdk-dev] [PATCH 2/2] uio: new driver to support PCI MSI-X Stephen Hemminger
2015-10-01  8:33   ` Michael S. Tsirkin
2015-10-01 10:37     ` Michael S. Tsirkin
2015-10-01 16:06       ` Michael S. Tsirkin
2015-10-01 14:50     ` Stephen Hemminger
2015-10-01 15:22       ` Michael S. Tsirkin
2015-10-01 16:31     ` Michael S. Tsirkin
2015-10-01 17:26       ` Stephen Hemminger
2015-10-01 18:25         ` Michael S. Tsirkin
2015-10-05 21:54     ` Michael S. Tsirkin
2015-10-05 22:09       ` Vladislav Zolotarov
2015-10-05 22:49         ` Michael S. Tsirkin
2015-10-06  7:33           ` Stephen Hemminger
2015-10-06 12:15             ` Avi Kivity
2015-10-06 14:07               ` Michael S. Tsirkin
2015-10-06 15:41                 ` Avi Kivity
2015-10-16 17:11               ` Thomas Monjalon
2015-10-16 17:20                 ` Stephen Hemminger
2015-10-06 13:42             ` Michael S. Tsirkin
2015-10-06  8:23           ` Vlad Zolotarov
2015-10-06 13:58             ` Michael S. Tsirkin
2015-10-06 14:49               ` Vlad Zolotarov
2015-10-06 15:00                 ` Michael S. Tsirkin
2015-10-06 16:40                   ` Vlad Zolotarov
2015-10-01 23:40   ` Alexander Duyck
2015-10-02  0:01     ` Stephen Hemminger
2015-10-02  1:21       ` Alexander Duyck
2015-10-02  0:04     ` Stephen Hemminger
2015-10-02  2:33       ` Alexander Duyck
2015-10-01  8:36 ` [dpdk-dev] [PATCH 0/2] uio_msi: device driver Michael S. Tsirkin
2015-10-01 10:59 ` Avi Kivity
2015-10-01 14:57   ` Stephen Hemminger [this message]
2015-10-01 19:48     ` Alexander Duyck
2015-10-01 22:00       ` Stephen Hemminger
2015-10-01 23:03         ` Alexander Duyck
2015-10-01 23:39           ` Stephen Hemminger
2015-10-01 23:43             ` Alexander Duyck
2015-10-02  0:04               ` Stephen Hemminger
2015-10-02  1:39                 ` Alexander Duyck
2015-10-04 16:49                   ` Vlad Zolotarov
2015-10-04 19:03                     ` Greg KH
2015-10-04 20:49                       ` Vlad Zolotarov

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=20151001075731.2f079237@urahara \
    --to=stephen@networkplumber.org \
    --cc=avi@scylladb.com \
    --cc=dev@dpdk.org \
    --cc=gregkh@linux-foundation.org \
    --cc=hjk@hansjkoch.de \
    --cc=linux-kernel@vger.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;
as well as URLs for NNTP newsgroup(s).