On Tue, Jan 09, 2018 at 02:12:02AM +, Chen, Junjie J wrote:
> > > + if (vring_need_event(vhost_used_event(vq), new, old)
> >
> > It's a bit weird that you use one from the standard linux header file
> > (vring_need_event), while you define you own one (vhost_used_event).
> > Note that
Hi
> -Original Message-
> From: Yuanhan Liu [mailto:y...@fridaylinux.org]
> Sent: Monday, January 8, 2018 10:07 PM
> To: Chen, Junjie J
> Cc: Wang, Xiao W ; maxime.coque...@redhat.com;
> Bie, Tiwei ; dev@dpdk.org; Yao, Lei A
>
> Subject: Re: [PATCH v6] vhost: support virtqueue interrupt/
On Tue, Dec 26, 2017 at 12:43:10PM -0500, Junjie Chen wrote:
> The driver can suppress interrupt when VIRTIO_F_EVENT_IDX feature bit is
> negotiated. The driver set vring flags to 0, and MAY use used_event in
> available ring to advise device interrupt util reach an index specified
> by used_event.
Hi,
> -Original Message-
> From: Chen, Junjie J
> Sent: Wednesday, December 27, 2017 1:43 AM
> To: Wang, Xiao W ; y...@fridaylinux.org;
> maxime.coque...@redhat.com; Bie, Tiwei
> Cc: dev@dpdk.org; Chen, Junjie J
> Subject: [PATCH v6] vhost: support virtqueue interrupt/notification
> supp
The driver can suppress interrupt when VIRTIO_F_EVENT_IDX feature bit is
negotiated. The driver set vring flags to 0, and MAY use used_event in
available ring to advise device interrupt util reach an index specified
by used_event. The device ignore the lower bit of vring flags, and send
an interrup
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