Messages in this thread | | | From | Doug Anderson <> | Date | Mon, 24 Oct 2022 17:36:59 -0700 | Subject | Re: [PATCH printk v2 22/38] serial: kgdboc: document console_lock usage |
| |
Hi,
On Wed, Oct 19, 2022 at 7:56 AM John Ogness <john.ogness@linutronix.de> wrote: > > kgdboc_earlycon_init() uses the console_lock to ensure that no consoles > are unregistered until the kgdboc_earlycon is setup. This is necessary > because the trapping of the exit() callback assumes that the exit() > callback is not called before the trap is setup. > > Explicitly document this non-typical console_lock usage. > > Signed-off-by: John Ogness <john.ogness@linutronix.de> > --- > drivers/tty/serial/kgdboc.c | 8 ++++++++ > 1 file changed, 8 insertions(+)
Reviewed-by: Douglas Anderson <dianders@chromium.org>
| |