Re: [PATCH net-next] tcp: fix lockdep splat in tcp_snd_una_update()

2016-05-03 Thread David Miller
From: Eric Dumazet Date: Tue, 03 May 2016 16:56:03 -0700 > From: Eric Dumazet > > tcp_snd_una_update() and tcp_rcv_nxt_update() call > u64_stats_update_begin() either from process context or BH handler. > > This triggers a lockdep splat on 32bit & SMP builds. > > We could add u64_stats_update

Re: [PATCH net-next] tcp: fix lockdep splat in tcp_snd_una_update()

2016-05-03 Thread Fabio Estevam
On Tue, May 3, 2016 at 8:56 PM, Eric Dumazet wrote: > From: Eric Dumazet > > tcp_snd_una_update() and tcp_rcv_nxt_update() call > u64_stats_update_begin() either from process context or BH handler. > > This triggers a lockdep splat on 32bit & SMP builds. > > We could add u64_stats_update_begin_bh

[PATCH net-next] tcp: fix lockdep splat in tcp_snd_una_update()

2016-05-03 Thread Eric Dumazet
From: Eric Dumazet tcp_snd_una_update() and tcp_rcv_nxt_update() call u64_stats_update_begin() either from process context or BH handler. This triggers a lockdep splat on 32bit & SMP builds. We could add u64_stats_update_begin_bh() variant but this would slow down 32bit builds with useless loca