From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Maxime Coquelin <maxime.coquelin@redhat.com>,
Thierry Herbelot <thierry.herbelot@6wind.com>,
dev@dpdk.org
Cc: Thomas Monjalon <thomas@monjalon.net>, Chenbo Xia <chenbo.xia@intel.com>
Subject: Re: [dpdk-dev] [PATCH] net/virtio: fix vhost_kernel_set_owner for multi-queue devices
Date: Thu, 15 Apr 2021 13:48:01 +0100 [thread overview]
Message-ID: <b277b2aa-e512-a3a2-efdc-9b89fabcd3a5@intel.com> (raw)
In-Reply-To: <50803007-9628-e23c-001f-77d8fee3b571@redhat.com>
On 4/13/2021 9:45 AM, Maxime Coquelin wrote:
> Hi Thierry,
>
> On 4/8/21 2:37 PM, Thierry Herbelot wrote:
>> Restore the original code, where VHOST_SET_OWNER is applied to
>> all vhostfds of the device.
>>
>> Fixes: 06856cabb89b0 ("net/virtio: add virtio-user ops to set owner")
>> Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
>> Cc: Chenbo Xia <chenbo.xia@intel.com>
>> Signed-off-by: Thierry Herbelot <thierry.herbelot@6wind.com>
>> ---
>> drivers/net/virtio/virtio_user/vhost_kernel.c | 13 ++++++++++++-
>> 1 file changed, 12 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/virtio/virtio_user/vhost_kernel.c b/drivers/net/virtio/virtio_user/vhost_kernel.c
>> index 768db55a6c1f..58e66bb7b4ae 100644
>> --- a/drivers/net/virtio/virtio_user/vhost_kernel.c
>> +++ b/drivers/net/virtio/virtio_user/vhost_kernel.c
>> @@ -101,9 +101,20 @@ vhost_kernel_ioctl(int fd, uint64_t request, void *arg)
>> static int
>> vhost_kernel_set_owner(struct virtio_user_dev *dev)
>> {
>> + int ret;
>> + uint32_t i;
>> struct vhost_kernel_data *data = dev->backend_data;
>>
>> - return vhost_kernel_ioctl(data->vhostfds[0], VHOST_SET_OWNER, NULL);
>> + for (i = 0; i < dev->max_queue_pairs; ++i) {
>> + if (data->vhostfds[i] < 0)
>> + continue;
>> +
>> + ret = vhost_kernel_ioctl(data->vhostfds[i], VHOST_SET_OWNER, NULL);
>> + if (ret < 0)
>> + return ret;
>> + }
>> +
>> + return 0;
>> }
>>
>> static int
>>
>
> Thanks for the fix, we indeed have to set owner for all the queue pairs.
>
> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
>
Applied to dpdk-next-net/main, thanks.
prev parent reply other threads:[~2021-04-15 12:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-08 12:37 Thierry Herbelot
2021-04-13 8:45 ` Maxime Coquelin
2021-04-15 12:48 ` Ferruh Yigit [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=b277b2aa-e512-a3a2-efdc-9b89fabcd3a5@intel.com \
--to=ferruh.yigit@intel.com \
--cc=chenbo.xia@intel.com \
--cc=dev@dpdk.org \
--cc=maxime.coquelin@redhat.com \
--cc=thierry.herbelot@6wind.com \
--cc=thomas@monjalon.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).