Re: [Xen-devel] [XEN PATCH for-4.13 v3 7/7] libxl_qmp: Have a lock for QMP socket access

[Ian Jackson <ian.jackson@xxxxxxxxxx>]

Anthony PERARD writes ("[XEN PATCH for-4.13 v3 7/7] libxl_qmp: Have a lock for 
QMP socket access"):
> This patch workaround the fact that it's not possible to connect
> multiple time to a single QMP socket. QEMU listen on the socket with
> a backlog value of 1, which mean that on Linux when concurrent thread
> call connect() on the socket, they get EAGAIN.
...
> +    if (ev->state == qmp_state_waiting_lock)
> +        /* We can't modifie the efd yet, as it isn't registered. */
                       ^
                       modify

Nevertheless,

Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

:-).

Ian.

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel