Re: [PATCH printk v3 11/40] um: kmsg_dumper: use srcu console list iterator
From: Petr Mladek
Date: Wed Nov 09 2022 - 10:05:12 EST
On Mon 2022-11-07 15:22:09, John Ogness wrote:
> Rather than using the console_lock to guarantee safe console list
> traversal, use srcu console list iteration.
It might be obvious. But I would add:
"It allows to dump the messages even when console_lock() is blocked
during panic()."
It will help to understand this is a clear win.
> Signed-off-by: John Ogness <john.ogness@xxxxxxxxxxxxx>
After merging with 9th patch for using the racy console_is_enabled(con):
Reviewed-by: Petr Mladek <pmladek@xxxxxxxx>
Best Regards,
Petr