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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH v3 1/8] vhost: fix virtio ready flag check X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 7/7/2020 4:21 AM, Xia, Chenbo wrote: > >> -----Original Message----- >> From: Adrian Moreno >> Sent: Monday, July 6, 2020 7:25 PM >> To: dev@dpdk.org; Xia, Chenbo ; Ye, Xiaolong >> ; shahafs@mellanox.com; matan@mellanox.com; >> maxime.coquelin@redhat.com; Wang, Xiao W ; >> viacheslavo@mellanox.com >> Cc: jasowang@redhat.com; lulu@redhat.com; stable@dpdk.org >> Subject: [PATCH v3 1/8] vhost: fix virtio ready flag check >> >> From: Maxime Coquelin >> >> Before checking whether the device is ready is done a check on whether the >> RUNNING flag is set. Then the READY flag is set if virtio_is_ready() returns true. >> >> While it seems to not cause any issue, it makes more sense to check whether the >> READY flag is set and not the RUNNING one. >> >> Fixes: c0674b1bc898 ("vhost: move the device ready check at proper place") >> Cc: stable@dpdk.org >> >> Signed-off-by: Maxime Coquelin >> --- >> lib/librte_vhost/vhost_user.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c index >> 6039a8fdb..5750dde6d 100644 >> --- a/lib/librte_vhost/vhost_user.c >> +++ b/lib/librte_vhost/vhost_user.c >> @@ -2825,7 +2825,7 @@ vhost_user_msg_handler(int vid, int fd) >> } >> >> >> - if (!(dev->flags & VIRTIO_DEV_RUNNING) && virtio_is_ready(dev)) { >> + if (!(dev->flags & VIRTIO_DEV_READY) && virtio_is_ready(dev)) { >> dev->flags |= VIRTIO_DEV_READY; >> >> if (!(dev->flags & VIRTIO_DEV_RUNNING)) { >> -- >> 2.26.2 > > Reviewed-by: Chenbo Xia > Series applied to dpdk-next-net/master, thanks.