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Re: [PATCH v2] hw/virtio: Document *_should_notify() are called within r
From: |
Laurent Vivier |
Subject: |
Re: [PATCH v2] hw/virtio: Document *_should_notify() are called within rcu_read_lock() |
Date: |
Fri, 9 Jul 2021 11:10:59 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 |
Le 06/07/2021 à 12:04, Philippe Mathieu-Daudé a écrit :
> Hi Michael, since I asked a modification on v1, I suppose
> this patch is somehow worth in documentation, so I'm
> pinging again. It could go via qemu-trival if you ack it.
>
> On 6/21/21 12:06 PM, Philippe Mathieu-Daudé wrote:
>> ping?
Applied to my trivial-patches branch.
Thanks,
Laurent
>> On 5/23/21 11:40 AM, Philippe Mathieu-Daudé wrote:
>>> Such comments make reviewing this file somehow easier.
>>>
>>> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
>>> ---
>>> v2: only one space before end of comment (mst)
>>> ---
>>> hw/virtio/virtio.c | 2 ++
>>> 1 file changed, 2 insertions(+)
>>>
>>> diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
>>> index e02544b2df7..130e3568409 100644
>>> --- a/hw/virtio/virtio.c
>>> +++ b/hw/virtio/virtio.c
>>> @@ -2449,6 +2449,7 @@ static void virtio_set_isr(VirtIODevice *vdev, int
>>> value)
>>> }
>>> }
>>>
>>> +/* Called within rcu_read_lock(). */
>>> static bool virtio_split_should_notify(VirtIODevice *vdev, VirtQueue *vq)
>>> {
>>> uint16_t old, new;
>>> @@ -2485,6 +2486,7 @@ static bool vring_packed_need_event(VirtQueue *vq,
>>> bool wrap,
>>> return vring_need_event(off, new, old);
>>> }
>>>
>>> +/* Called within rcu_read_lock(). */
>>> static bool virtio_packed_should_notify(VirtIODevice *vdev, VirtQueue *vq)
>>> {
>>> VRingPackedDescEvent e;
>>>
>>
>
>