printk: __pr_flush: use srcu console list iterator

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Use srcu console list iteration for console list traversal.

Document why the console_lock is still necessary. Note that this
is a preparatory change for when console_lock no longer provides
synchronization for the console list.

Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20221116162152.193147-17-john.ogness@linutronix.de

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John Ogness 2022-11-16 17:27:28 +01:06 • committed by Petr Mladek

parent fc956ae0de

commit eb7f1ed250

1 changed files with 9 additions and 1 deletions

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kernel/printk/printk.c

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