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{
    "id": 169658,
    "web_url": "http://patches.dpdk.org/comment/169658/",
    "msgid": "<8a04f203-4ef0-4840-b480-b21e08561c7d@redhat.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/8a04f203-4ef0-4840-b480-b21e08561c7d@redhat.com",
    "date": "2024-04-25T13:12:33",
    "subject": "Re: [PATCH] vhost: cleanup vq resubmit info when set_inflight_fd",
    "submitter": {
        "id": 512,
        "url": "http://patches.dpdk.org/api/people/512/?format=api",
        "name": "Maxime Coquelin",
        "email": "maxime.coquelin@redhat.com"
    },
    "content": "Hi Haoqian,\n\nWe try to avoid passing functions or variable names in the commit title.\nMaybe something like this would work:\n\"vhost: cleanup resubmit info before inflight setup\"\n\nOn 3/21/24 10:57, Haoqian He wrote:\n> We should cleanup vq resubmit info when set_inflight_fd\n\nvirtqueue*\n\n> before set_vring_kick which will check if there is any\n> inflight io waiting for resubmission.\n\nIO\n\n> \n> Otherwise, when the vm is rebooting immediately after\n\nVM\n\n> reconnecting to the vhost target (inflight io has not\n> been resubmitted yet), the vhost backend still use the\n\nuses\n\n> old resubmit info set when reconnection.\n\nreconnecting\n\n> \n\nYou need to add \"Fixes:\" tag pointing to the commit introducing the \nissue, so that it is backported in stable releases.\n\nThis is documented in the contribution guidelines if you have any doubt\non the formatting.\n\n> Signed-off-by: Haoqian He <haoqian.he@smartx.com>\n> ---\n>   lib/vhost/vhost_user.c | 1 +\n>   1 file changed, 1 insertion(+)\n> \n> diff --git a/lib/vhost/vhost_user.c b/lib/vhost/vhost_user.c\n> index 414192500e..7c54afc5fb 100644\n> --- a/lib/vhost/vhost_user.c\n> +++ b/lib/vhost/vhost_user.c\n> @@ -1871,6 +1871,7 @@ vhost_user_set_inflight_fd(struct virtio_net **pdev,\n>   \t\tif (!vq)\n>   \t\t\tcontinue;\n>   \n> +\t\tcleanup_vq_inflight(dev, vq);\n>   \t\tif (vq_is_packed(dev)) {\n>   \t\t\tvq->inflight_packed = addr;\n>   \t\t\tvq->inflight_packed->desc_num = queue_size;",
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        "Message-ID": "<8a04f203-4ef0-4840-b480-b21e08561c7d@redhat.com>",
        "Date": "Thu, 25 Apr 2024 15:12:33 +0200",
        "MIME-Version": "1.0",
        "User-Agent": "Mozilla Thunderbird",
        "Subject": "Re: [PATCH] vhost: cleanup vq resubmit info when set_inflight_fd",
        "To": "Haoqian He <haoqian.he@smartx.com>, dev@dpdk.org",
        "Cc": "Chenbo Xia <chenbox@nvidia.com>",
        "References": "<20240321095805.923117-1-haoqian.he@smartx.com>",
        "From": "Maxime Coquelin <maxime.coquelin@redhat.com>",
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}