Messages in this thread | | | Date | Fri, 15 Jul 2022 11:14:14 +0200 | From | Petr Mladek <> | Subject | Re: [PATCH v3] printk: do not wait for consoles when suspended |
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On Fri 2022-07-15 08:16:42, John Ogness wrote: > 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: 3b604ca81202 ("printk: add pr_flush()") > Reported-by: Todd Brandt <todd.e.brandt@linux.intel.com> > Signed-off-by: John Ogness <john.ogness@linutronix.de> > Tested-by: Todd Brandt <todd.e.brandt@linux.intel.com>
The patch is committed in printk/linux.git, branch rework/kthreads.
I think about creating pull request for 5.19 later today or tomorrow so that it is in the last rc.
Best Regards, Petr
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