As part of trying to understand the locking (or lack thereof) in the fbcon/vt/fbdev maze, annotate everything.
Signed-off-by: Daniel Vetter <[email protected]> Reviewed-by: Sam Ravnborg <[email protected]> Reviewed-by: Maarten Lankhorst <[email protected]> Cc: Bartlomiej Zolnierkiewicz <[email protected]> Cc: Hans de Goede <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: Kees Cook <[email protected]> Cc: Nicolas Pitre <[email protected]> --- drivers/video/console/dummycon.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c index ff886e99104b..2a0d0bda7faa 100644 --- a/drivers/video/console/dummycon.c +++ b/drivers/video/console/dummycon.c @@ -34,6 +34,8 @@ static bool dummycon_putc_called; void dummycon_register_output_notifier(struct notifier_block *nb) { + WARN_CONSOLE_UNLOCKED(); + raw_notifier_chain_register(&dummycon_output_nh, nb); if (dummycon_putc_called) @@ -42,11 +44,15 @@ void dummycon_register_output_notifier(struct notifier_block *nb) void dummycon_unregister_output_notifier(struct notifier_block *nb) { + WARN_CONSOLE_UNLOCKED(); + raw_notifier_chain_unregister(&dummycon_output_nh, nb); } static void dummycon_putc(struct vc_data *vc, int c, int ypos, int xpos) { + WARN_CONSOLE_UNLOCKED(); + dummycon_putc_called = true; raw_notifier_call_chain(&dummycon_output_nh, 0, NULL); } -- 2.20.1 _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
