On (06/22/18 17:21), Alan Cox wrote: > On Wed, 20 Jun 2018 11:44:13 +0900 > Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > > > On Wed, Jun 20, 2018 at 11:34 AM Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > > > > > > Perhaps we should do an audit of the console drivers and remove all > > > printk, pr_* , WARN*, BUG* from them. > > > > Only the actual _printing_ parts. > > No because they are normally rather useful because that port isn't the > console. If you trylock trylock is boring, me wants printk_safe_mask everywhere :) > Really that's all that you need - log the message to whichever console > targets you can currently safely do so. If it's none well there was > always the proposed morse code keyboard light driver 8) Hm, just discard messages? With printk_safe_mask we keep everything in a lockless per-CPU buffer, which we flush [per-CPU buffer -> printk logbuf] from irq_work, so we can print it later. -ss -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
