On 6/27/22 07:51, Yuan Wang wrote:
If vring state changes after pmd starts working, the locked vring
notifies pmd, thus calling update_queuing_status(), the latter
will wait for pmd to finish accessing vring, while pmd is also
waiting for vring to be unlocked, thus causing deadlock.
Actually,
> -Original Message-
> From: Wang, YuanX
> Sent: Monday, June 27, 2022 1:51 PM
> To: maxime.coque...@redhat.com; Xia, Chenbo ;
> dev@dpdk.org
> Cc: Hu, Jiayu ; He, Xingguang ;
> Jiang, Cheng1 ; Ling, WeiX ;
> Wang, YuanX ; sta...@dpdk.org
> Subject: [PATCH v2] net/vhost: fix deadlock on vr
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