printk: remove logbuf_lock

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Since the ringbuffer is lockless, there is no need for it to be
protected by @logbuf_lock. Remove @logbuf_lock.

@console_seq, @exclusive_console_stop_seq, @console_dropped are
protected by @console_lock.

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/20210303101528.29901-14-john.ogness@linutronix.de

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John Ogness 2021-03-03 11:15:26 +01:00 • committed by Petr Mladek

parent f9f3f02db9

commit 996e966640

3 changed files with 46 additions and 97 deletions

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4

kernel/printk/internal.h

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112

kernel/printk/printk.c

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27

kernel/printk/printk_safe.c

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