This symbol is not used outside of printk.c, so marks it static.

Fix the following sparse warning:

kernel/printk/printk.c:100:19: warning: symbol 'suppress_panic_printk'
was not declared. Should it be static?

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
 kernel/printk/printk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 7a9eace19191..703397cadd01 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -97,7 +97,7 @@ int __read_mostly suppress_printk;
  * During panic, heavy printk by other CPUs can delay the
  * panic and risk deadlock on console resources.
  */
-int __read_mostly suppress_panic_printk;
+static int __read_mostly suppress_panic_printk;
 
 #ifdef CONFIG_LOCKDEP
 static struct lockdep_map console_lock_dep_map = {
-- 
2.20.1.7.g153144c

On Wed 2022-02-16 11:19:57, Jiapeng Chong wrote:
> This symbol is not used outside of printk.c, so marks it static.
> 
> Fix the following sparse warning:
> 
> kernel/printk/printk.c:100:19: warning: symbol 'suppress_panic_printk'
> was not declared. Should it be static?
> 
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>

The patch has been committed into printk/linux.git,
branch for-5.18-panic-deadlocks.

Best Regards,
Petr

On Wed, Feb 16, 2022 at 4:20 AM Jiapeng Chong
<jiapeng.chong@linux.alibaba.com> wrote:
>
> This symbol is not used outside of printk.c, so marks it static.
>
> Fix the following sparse warning:
>
> kernel/printk/printk.c:100:19: warning: symbol 'suppress_panic_printk'
> was not declared. Should it be static?
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>

It could be good to mention this is based on -next.

Reviewed-by: Miguel Ojeda <ojeda@kernel.org>

Cheers,
Miguel