Adding printk maintainers to the thread On Thu, 2022-07-07 at 13:31 -0700, Todd Brandt wrote: > Ever since 5.19.0-rc1 the serial device has taken almost a second > longer in both suspend and resume. This effect is witnessed in half > the > machines in our lab (~10 machines). It occurs on dell, asus, gigabyte > and other machines so it's not hardware specific. > > I opened a bugzilla issue which includes the git bisect: > https://bugzilla.kernel.org/show_bug.cgi?id=216216 > > > Bad commit: > > commit 3b604ca81202eea2a917eb6491e90f610fba0ec7 > Author: John Ogness <john.ogness@xxxxxxxxxxxxx> > Date: Thu Apr 21 23:28:46 2022 +0206 > > printk: add pr_flush() > > Provide a might-sleep function to allow waiting for console > printers > to catch up to the latest logged message. > > Use pr_flush() whenever it is desirable to get buffered messages > printed before continuing: suspend_console(), resume_console(), > console_stop(), console_start(), console_unblank(). > > Signed-off-by: John Ogness <john.ogness@xxxxxxxxxxxxx> > Reviewed-by: Petr Mladek <pmladek@xxxxxxxx> > Signed-off-by: Petr Mladek <pmladek@xxxxxxxx> > Link: > https://lore.kernel.org/r/20220421212250.565456-12-john.ogness@xxxxxxxxxxxxx > > include/linux/printk.h | 7 +++++ > kernel/printk/printk.c | 83 > ++++++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 90 insertions(+)
