linux/kernel/printk
John Ogness 809631e2bf Revert "printk: wake up all waiters"
This reverts commit 938ba4084a.

The wait queue @log_wait never has exclusive waiters, so there
is no need to use wake_up_interruptible_all(). Using
wake_up_interruptible() was the correct function to wake all
waiters.

Since there are no exclusive waiters, erroneously changing
wake_up_interruptible() to wake_up_interruptible_all() did not
result in any behavior change. However, using
wake_up_interruptible_all() on a wait queue without exclusive
waiters is fundamentally wrong.

Go back to using wake_up_interruptible() to wake all waiters.

Signed-off-by: John Ogness <john.ogness@linutronix.de>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220526203056.81123-1-john.ogness@linutronix.de
2022-05-27 13:04:46 +02:00
..
Makefile
braille.c
braille.h
console_cmdline.h
index.c
internal.h
printk.c Revert "printk: wake up all waiters" 2022-05-27 13:04:46 +02:00
printk_ringbuffer.c
printk_ringbuffer.h
printk_safe.c
sysctl.c