| Date | Fri, 12 Apr 2024 16:39:42 +0200 | From | Petr Mladek <> | Subject | Re: [PATCH printk v4 22/27] printk: Coordinate direct printing in panic |
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On Wed 2024-04-03 00:17:24, John Ogness wrote: > Perform printing by nbcon consoles on the panic CPU from the > printk() caller context in order to get panic messages printed > as soon as possible. > > If legacy and nbcon consoles are registered, the legacy consoles > will no longer perform direct printing on the panic CPU until > after the backtrace has been stored. This will give the safe > nbcon consoles a chance to print the panic messages before > allowing the unsafe legacy consoles to print. > > If no nbcon consoles are registered, there is no change in > behavior (i.e. legacy consoles will always attempt to print > from the printk() caller context). > > Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Best Regards, Petr
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