Messages in this thread | | | Date | Wed, 15 Feb 2017 13:49:07 +0900 | From | Sergey Senozhatsky <> | Subject | Re: Regression in next with use printk_safe buffers in printk |
| |
On (02/14/17 19:29), Peter Zijlstra wrote: > On Wed, Feb 15, 2017 at 01:56:45AM +0900, Sergey Senozhatsky wrote: > > that crossed my mind, but I kinda assumed that we do printk() from > > under tk_core using sched fair, and rt_runtime_lock is from sched rt. > > That's all true; lockdep doesn't care :-) All it knows is that at some > point those locks nest.
thanks.
I think I'll get more familiar with the lockdep splats in coming months :) but it's good (well, so far) that now we keep lockdep enabled in printk.
-ss
| |