Re: [PATCH V3 3/9] virtio: introduce config op to synchronize vring callbacks

[Jason Wang]

在 2022/4/29 15:25, Cornelia Huck 写道:
> On Fri, Apr 29 2022, Jason Wang <jasowang@xxxxxxxxxx> wrote:
>
> > On Thu, Apr 28, 2022 at 5:13 PM Cornelia Huck <cohuck@xxxxxxxxxx> wrote:
> > > On Mon, Apr 25 2022, Jason Wang <jasowang@xxxxxxxxxx> wrote:
> > >
> > > > This patch introduces new virtio config op to vring
> > > > callbacks. Transport specific method is required to make sure the
> > > > write before this function is visible to the vring_interrupt() that is
> > > Which kind of writes? I.e., what is the scope?
> > Any writes before synchronize_cbs(). Is something like the following better?
> >
> > The function guarantees that all memory operations before it are
> > visible to the vring_interrupt() that is called after it.
> Maybe "all memory operations on the queue"?


That's fine. Will do.

Thanks


>