Thread (16 messages) 16 messages, 2 authors, 2022-11-15

Re: [PATCH printk v4 35/39] tty: serial: kgdboc: use console_list_lock for list traversal

From: Petr Mladek <pmladek@suse.com>
Date: 2022-11-15 15:19:02
Also in: lkml

On Mon 2022-11-14 17:35:28, John Ogness wrote:
configure_kgdboc() uses the console_lock for console list iteration. Use
the console_list_lock instead because list synchronization responsibility
will be removed from the console_lock in a later change.

The SRCU iterator could have been used here, but a later change will
relocate the locking of the console_list_lock to also provide
synchronization against register_console().

Note, the console_lock is still needed to serialize the device()
callback with other console operations.

Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>

Best Regards,
Petr
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