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

Jason Wang
2022-05-05T08:16:10Z

在 2022/4/29 15:25, Cornelia Huck 写道:
> On Fri, Apr 29 2022, Jason Wang <jasowang@redhat.com> wrote:
>
>> On Thu, Apr 28, 2022 at 5:13 PM Cornelia Huck <cohuck@redhat.com> wrote:
>>> On Mon, Apr 25 2022, Jason Wang <jasowang@redhat.com> 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

>