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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: David Marchand <david.marchand@redhat.com>
Cc: Eelco Chaudron <echaudro@redhat.com>, chenbo.xia@intel.com, dev@dpdk.org
Subject: Re: [PATCH v3 4/4] vhost: add device op to offload the interrupt kick
Date: Wed, 31 May 2023 16:18:12 +0200	[thread overview]
Message-ID: <e7a9c67e-43a3-9a92-01d3-912c99113c86@redhat.com> (raw)
In-Reply-To: <CAJFAV8y6toBt21Lc-GZKm2VdzWrindPQJP1q9sVyMqLCYZ7viQ@mail.gmail.com>



On 5/31/23 16:12, David Marchand wrote:
> Maxime,
> 
> On Wed, May 17, 2023 at 11:09 AM Eelco Chaudron <echaudro@redhat.com> wrote:
>> @@ -974,11 +994,8 @@ vhost_vring_call_packed(struct virtio_net *dev, struct vhost_virtqueue *vq)
>>          if (vhost_need_event(off, new, old))
>>                  kick = true;
>>   kick:
>> -       if (kick && vq->callfd >= 0) {
>> -               eventfd_write(vq->callfd, (eventfd_t)1);
>> -               if (dev->notify_ops->guest_notified)
>> -                       dev->notify_ops->guest_notified(dev->vid);
>> -       }
>> +       if (kick && vq->callfd >= 0)
>> +               vhost_vring_inject_irq(dev, vq);
> 
> Thinking again about the VDUSE series overlap...
> 
> This hunk here is implicitely fixing an issue.
> You addressed it in
> https://patchwork.dpdk.org/project/dpdk/patch/20230525162551.70359-2-maxime.coquelin@redhat.com/
> 
> So I suggest you apply this patch of yours before Eelco patch 4.
> This way, the fix backport will be trivial.
> 
> 

Thanks David, this is indeed the best thing to do to ease backporting
the fix to v22.11.

Maxime


  reply	other threads:[~2023-05-31 14:18 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-17  9:08 [PATCH v3 0/4] " Eelco Chaudron
2023-05-17  9:08 ` [PATCH v3 1/4] vhost: change vhost_virtqueue access lock to a read/write one Eelco Chaudron
2023-05-17 17:33   ` Maxime Coquelin
2023-05-18 14:46     ` Eelco Chaudron
2023-05-31  6:37   ` Xia, Chenbo
2023-05-31  9:27     ` Maxime Coquelin
2023-05-31 11:13       ` Eelco Chaudron
2023-06-01  1:45         ` Xia, Chenbo
2023-05-17  9:08 ` [PATCH v3 2/4] vhost: make the guest_notifications statistic counter atomic Eelco Chaudron
2023-05-30 12:52   ` Maxime Coquelin
2023-05-31  7:03   ` Xia, Chenbo
2023-05-17  9:09 ` [PATCH v3 3/4] vhost: fix invalid call FD handling Eelco Chaudron
2023-05-30 12:54   ` Maxime Coquelin
2023-05-31  6:12     ` Xia, Chenbo
2023-05-31  9:30       ` Maxime Coquelin
2023-05-17  9:09 ` [PATCH v3 4/4] vhost: add device op to offload the interrupt kick Eelco Chaudron
2023-05-30 13:02   ` Maxime Coquelin
2023-05-30 13:16     ` Thomas Monjalon
2023-05-30 15:16       ` Maxime Coquelin
2023-05-31  6:19         ` Xia, Chenbo
2023-05-31  9:29           ` Maxime Coquelin
2023-05-31 11:21             ` Eelco Chaudron
2023-06-01  2:18             ` Xia, Chenbo
2023-06-01  8:15               ` Eelco Chaudron
2023-06-01  8:29                 ` Maxime Coquelin
2023-06-01  8:49                   ` Eelco Chaudron
2023-06-01  8:53                     ` Maxime Coquelin
2023-05-31 11:49     ` David Marchand
2023-05-31 12:01   ` David Marchand
2023-05-31 12:48     ` Maxime Coquelin
2023-05-31 13:13       ` Eelco Chaudron
2023-05-31 14:12   ` David Marchand
2023-05-31 14:18     ` Maxime Coquelin [this message]
2023-06-01 20:00 ` [PATCH v3 0/4] " Maxime Coquelin
2023-06-02  6:20   ` Eelco Chaudron

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