On 10/08/2018 07:40 PM, Björn Töpel wrote:
> From: Björn Töpel <bjorn.to...@intel.com>
>
> The XSKMAP update and delete functions called synchronize_net(), which
> can sleep. It is not allowed to sleep during an RCU read section.
>
> Instead we need to make sure that the sock sk_destruct (xsk_destruct)
> function is asynchronously called after an RCU grace period. Setting
> the SOCK_RCU_FREE flag for XDP sockets takes care of this.
>
> Fixes: fbfc504a24f5 ("bpf: introduce new bpf AF_XDP map type
> BPF_MAP_TYPE_XSKMAP")
> Reported-by: Eric Dumazet <eric.duma...@gmail.com>
> Signed-off-by: Björn Töpel <bjorn.to...@intel.com>
Applied to bpf, thanks everyone!
