9023ca0866
The console_stop() and console_start() functions call pr_flush().
When suspending, these functions are called by the serial subsystem
while the serial port is suspended. In this scenario, if there are
any pending messages, a call to pr_flush() will always result in a
timeout because the serial port cannot make forward progress. This
causes longer suspend and resume times.
Add a check in pr_flush() so that it will immediately timeout if
the consoles are suspended.
Fixes:
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|---|---|---|
| .. | ||
| braille.c | ||
| braille.h | ||
| console_cmdline.h | ||
| index.c | ||
| internal.h | ||
| Makefile | ||
| printk_ringbuffer.c | ||
| printk_ringbuffer.h | ||
| printk_safe.c | ||
| printk.c | ||
| sysctl.c | ||