Re: [PATCH bpf v6 0/2] xdp: fix hang while unregistering device bound to xdp socket

[Daniel Borkmann]

On 06/28/2019 10:04 AM, Ilya Maximets wrote:
> Version 6:
> 
>     * Better names for socket state.
> 
> Version 5:
> 
>     * Fixed incorrect handling of rtnl_lock.
> 
> Version 4:
> 
>     * 'xdp_umem_clear_dev' exposed to be used while unregistering.
>     * Added XDP socket state to track if resources already unbinded.
>     * Splitted in two fixes.
> 
> Version 3:
> 
>     * Declaration lines ordered from longest to shortest.
>     * Checking of event type moved to the top to avoid unnecessary
>       locking.
> 
> Version 2:
> 
>     * Completely re-implemented using netdev event handler.
> 
> Ilya Maximets (2):
>   xdp: hold device for umem regardless of zero-copy mode
>   xdp: fix hang while unregistering device bound to xdp socket
> 
>  include/net/xdp_sock.h |  5 +++
>  net/xdp/xdp_umem.c     | 21 +++++-----
>  net/xdp/xdp_umem.h     |  1 +
>  net/xdp/xsk.c          | 87 ++++++++++++++++++++++++++++++++++++------
>  4 files changed, 93 insertions(+), 21 deletions(-)
> 

Applied, thanks!