On Thursday, July 19, 2018 12:16:00 PM Thomas Zimmermann wrote: > The macro WARN_CONSOLE_UNLOCKED prints a warning when a thread enters > the console's critical section without having acquired the console > lock. The console lock can be ignored when debugging the console using > printk, but this makes WARN_CONSOLE_UNLOCKED generate unnecessary > warnings. > > The variable ignore_console_lock_warning temporarily disables > WARN_CONSOLE_UNLOCKED. Developers interested in debugging the console's > critical sections should increment it before entering the CS and > decrement it after leaving the CS. Setting ignore_console_lock_warning > is only for debugging. Regular operation should not manipulate it. > > Acknoledgements: This patch is based on an earlier version by Steven > Rostedt. The use of atomic increment/decrement was suggested by Petr > Mladek. > > Link: http://lkml.kernel.org/r/717e6337-e7a6-7a92-1c1b-8929a25696b5@xxxxxxx > Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx> Patch queued for 4.19 (w/ <asm/atomic.h> -> <linux/atomic.h> fixup), thanks. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
