Re: WARN_ON() in netconsole with PREEMPT_RT

2018-11-30 Thread Sebastian Andrzej Siewior
On 2018-11-11 21:01:05 [-0500], Steven Rostedt wrote: > On Sun, 11 Nov 2018 21:16:00 +0100 > Oleksandr Natalenko wrote: > > Oh, I see that write_msg() calls netpoll_send_udp() under > > spin_lock_irqsave(), but in PREEMPT_RT this, AFAIK, does not disable > > interrupts. > > > > So, the real que

Re: WARN_ON() in netconsole with PREEMPT_RT

2018-11-24 Thread Oleksandr Natalenko
Hi. On 12.11.2018 03:01, Steven Rostedt wrote: On Sun, 11 Nov 2018 21:16:00 +0100 Oleksandr Natalenko wrote: Oh, I see that write_msg() calls netpoll_send_udp() under spin_lock_irqsave(), but in PREEMPT_RT this, AFAIK, does not disable interrupts. So, the real question here is whether the int