From: Stephen Hemminger <stephen@networkplumber.org>
To: Avi Kivity <avi@scylladb.com>
Cc: hjk@hansjkoch.de, gregkh@linux-foundation.org, dev@dpdk.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.
next prev parent reply other threads:[~2015-10-01 14:57 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-30 22:28 [PATCH 0/2] uio_msi: device driver Stephen Hemminger
2015-09-30 22:28 ` Stephen Hemminger
2015-09-30 22:28 ` [PATCH 1/2] uio: add support for ioctls Stephen Hemminger
2015-09-30 22:28 ` Stephen Hemminger
2015-09-30 22:28 ` [PATCH 2/2] uio: new driver to support PCI MSI-X Stephen Hemminger
2015-09-30 22:28 ` Stephen Hemminger
2015-10-01 8:33 ` Michael S. Tsirkin
2015-10-01 8:33 ` Michael S. Tsirkin
2015-10-01 10:37 ` Michael S. Tsirkin
2015-10-01 10:37 ` Michael S. Tsirkin
2015-10-01 16:06 ` Michael S. Tsirkin
2015-10-01 16:06 ` Michael S. Tsirkin
2015-10-01 14:50 ` Stephen Hemminger
2015-10-01 14:50 ` Stephen Hemminger
2015-10-01 15:22 ` Michael S. Tsirkin
2015-10-01 15:22 ` Michael S. Tsirkin
2015-10-01 16:31 ` Michael S. Tsirkin
2015-10-01 16:31 ` Michael S. Tsirkin
2015-10-01 17:26 ` Stephen Hemminger
2015-10-01 17:26 ` Stephen Hemminger
2015-10-01 18:25 ` Michael S. Tsirkin
2015-10-01 18:25 ` Michael S. Tsirkin
2015-10-05 21:54 ` 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
2015-10-05 22:49 ` [dpdk-dev] " Michael S. Tsirkin
2015-10-06 7:33 ` Stephen Hemminger
2015-10-06 7:33 ` [dpdk-dev] " Stephen Hemminger
2015-10-06 12:15 ` Avi Kivity
2015-10-06 12:15 ` [dpdk-dev] " Avi Kivity
2015-10-06 14:07 ` Michael S. Tsirkin
2015-10-06 15:41 ` Avi Kivity
2015-10-06 15:41 ` [dpdk-dev] " Avi Kivity
2015-10-16 17:11 ` Thomas Monjalon
2015-10-16 17:11 ` [dpdk-dev] " Thomas Monjalon
2015-10-16 17:20 ` Stephen Hemminger
2015-10-16 17:20 ` [dpdk-dev] " Stephen Hemminger
2015-10-06 13:42 ` Michael S. Tsirkin
2015-10-06 13:42 ` [dpdk-dev] " Michael S. Tsirkin
2015-10-06 8:23 ` Vlad Zolotarov
2015-10-06 8:23 ` [dpdk-dev] " Vlad Zolotarov
2015-10-06 13:58 ` Michael S. Tsirkin
2015-10-06 13:58 ` [dpdk-dev] " Michael S. Tsirkin
2015-10-06 14:49 ` Vlad Zolotarov
2015-10-06 15:00 ` Michael S. Tsirkin
2015-10-06 15:00 ` [dpdk-dev] " Michael S. Tsirkin
2015-10-06 16:40 ` Vlad Zolotarov
2015-10-06 16:40 ` [dpdk-dev] " Vlad Zolotarov
2015-10-01 23:40 ` Alexander Duyck
2015-10-01 23:40 ` [dpdk-dev] " Alexander Duyck
2015-10-02 0:01 ` Stephen Hemminger
2015-10-02 0:01 ` [dpdk-dev] " Stephen Hemminger
2015-10-02 1:21 ` Alexander Duyck
2015-10-02 1:21 ` [dpdk-dev] " Alexander Duyck
2015-10-02 0:04 ` Stephen Hemminger
2015-10-02 2:33 ` Alexander Duyck
2015-10-02 2:33 ` [dpdk-dev] " Alexander Duyck
2015-10-01 8:36 ` [PATCH 0/2] uio_msi: device driver Michael S. Tsirkin
2015-10-01 8:36 ` Michael S. Tsirkin
2015-10-01 10:59 ` Avi Kivity
2015-10-01 10:59 ` [dpdk-dev] " Avi Kivity
2015-10-01 14:57 ` Stephen Hemminger [this message]
2015-10-01 19:48 ` Alexander Duyck
2015-10-01 19:48 ` [dpdk-dev] " Alexander Duyck
2015-10-01 22:00 ` Stephen Hemminger
2015-10-01 22:00 ` [dpdk-dev] " Stephen Hemminger
2015-10-01 23:03 ` Alexander Duyck
2015-10-01 23:03 ` [dpdk-dev] " Alexander Duyck
2015-10-01 23:39 ` Stephen Hemminger
2015-10-01 23:39 ` [dpdk-dev] " Stephen Hemminger
2015-10-01 23:43 ` Alexander Duyck
2015-10-02 0:04 ` Stephen Hemminger
2015-10-02 0:04 ` [dpdk-dev] " Stephen Hemminger
2015-10-02 1:39 ` Alexander Duyck
2015-10-04 16:49 ` Vlad Zolotarov
2015-10-04 16:49 ` [dpdk-dev] " Vlad Zolotarov
2015-10-04 19:03 ` Greg KH
2015-10-04 20:49 ` Vlad Zolotarov
2015-10-04 20:49 ` [dpdk-dev] " Vlad Zolotarov
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