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Printk changes for 5.6 

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Merge tag 'printk-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk

Pull printk update from Petr Mladek:
 "Prevent replaying log on all consoles"

* tag 'printk-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
  printk: fix exclusive_console replaying
This commit is contained in:
Linus Torvalds 2020-01-29 14:53:23 -08:00
parent 3893c2025f def97da136
commit a4fe2b4d87
1 changed files with 2 additions and 2 deletions
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4
kernel/printk/printk.c
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@ -2770,8 +2770,6 @@ void register_console(struct console *newcon)
* for us.
*/
logbuf_lock_irqsave(flags);
console_seq = syslog_seq;
console_idx = syslog_idx;
/*
* We're about to replay the log buffer. Only do this to the
* just-registered console to avoid excessive message spam to
@ -2783,6 +2781,8 @@ void register_console(struct console *newcon)
*/
exclusive_console = newcon;
exclusive_console_stop_seq = console_seq;
console_seq = syslog_seq;
console_idx = syslog_idx;
logbuf_unlock_irqrestore(flags);
}
console_unlock();