From: Tiwei Bie <tiwei.bie@intel.com>
To: Jason Wang <jasowang@redhat.com>
Cc: mst@redhat.com, virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
wexu@redhat.com, jfreimann@redhat.com
Subject: Re: [RFC v5 0/5] virtio: support packed ring
Date: Fri, 25 May 2018 11:07:55 +0800 [thread overview]
Message-ID: <20180525030754.GA11557@debian> (raw)
In-Reply-To: <b19e0888-61dc-c067-0b05-fde3b5eb0902@redhat.com>
On Fri, May 25, 2018 at 10:31:26AM +0800, Jason Wang wrote:
> On 2018年05月22日 16:16, Tiwei Bie wrote:
> > Hello everyone,
> >
> > This RFC implements packed ring support in virtio driver.
> >
> > Some simple functional tests have been done with Jason's
> > packed ring implementation in vhost (RFC v4):
> >
> > https://lkml.org/lkml/2018/5/16/501
> >
> > Both of ping and netperf worked as expected w/ EVENT_IDX
> > disabled. Ping worked as expected w/ EVENT_IDX enabled,
> > but netperf didn't (A hack has been added in the driver
> > to make netperf test pass in this case. The hack can be
> > found by `grep -rw XXX` in the code).
>
> Looks like this is because a bug in vhost which wrongly track signalled_used
> and may miss an interrupt. After fixing that, both side works like a charm.
>
> I'm testing vIOMMU and zerocopy, and will post a new version shortly. (Hope
> it would be the last RFC version).
Great to know that. Thanks a lot! :)
Best regards,
Tiwei Bie
next prev parent reply other threads:[~2018-05-25 3:07 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-22 8:16 [RFC v5 0/5] virtio: support packed ring Tiwei Bie
2018-05-22 8:16 ` [RFC v5 1/5] virtio: add packed ring definitions Tiwei Bie
2018-05-22 8:16 ` Tiwei Bie
2018-05-22 8:16 ` [RFC v5 2/5] virtio_ring: support creating packed ring Tiwei Bie
2018-05-29 2:49 ` Jason Wang
2018-05-29 2:49 ` Jason Wang
2018-05-29 5:24 ` Tiwei Bie
2018-05-29 5:24 ` Tiwei Bie
2018-05-29 6:13 ` Jason Wang
2018-05-29 6:13 ` Jason Wang
2018-05-22 8:16 ` Tiwei Bie
2018-05-22 8:16 ` [RFC v5 3/5] virtio_ring: add packed ring support Tiwei Bie
2018-05-22 8:16 ` Tiwei Bie
2018-05-29 3:18 ` Jason Wang
2018-05-29 3:18 ` Jason Wang
2018-05-29 5:11 ` Tiwei Bie
2018-05-29 5:11 ` Tiwei Bie
2018-05-29 6:16 ` Jason Wang
2018-05-29 6:16 ` Jason Wang
2018-05-22 8:16 ` [RFC v5 4/5] virtio_ring: add event idx support in packed ring Tiwei Bie
2018-05-22 8:16 ` Tiwei Bie
2018-05-22 8:16 ` [RFC v5 5/5] virtio_ring: enable " Tiwei Bie
2018-05-22 8:16 ` Tiwei Bie
2018-05-25 2:31 ` [RFC v5 0/5] virtio: support " Jason Wang
2018-05-25 2:31 ` Jason Wang
2018-05-25 3:07 ` Tiwei Bie [this message]
2018-05-25 3:07 ` Tiwei Bie
-- strict thread matches above, loose matches on Subject: below --
2018-05-22 8:16 Tiwei Bie
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