From: Jiri Kosina <jkosina@suse.cz>
Date: Wed, 20 Aug 2008 12:40:55 +0000 (+0200)
Subject: printk: robustify printk, update comment
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1fa63a817d27af7dc0d5ed454eb8fe5dec65fac7;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

printk: robustify printk, update comment

Remove the comment describing the possibility of printk() deadlocking on
runqueue lock.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/kernel/printk.c b/kernel/printk.c
index 57e9cd7a9581..6f27c6a4bdc9 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -577,9 +577,6 @@ static int have_callable_console(void)
  * @fmt: format string
  *
  * This is printk().  It can be called from any context.  We want it to work.
- * Be aware of the fact that if oops_in_progress is not set, we might try to
- * wake klogd up which could deadlock on runqueue lock if printk() is called
- * from scheduler code.
  *
  * We try to grab the console_sem.  If we succeed, it's easy - we log the output and
  * call the console drivers.  If we fail to get the semaphore we place the output