Hi,
On 18-07-18 11:30, Thomas Zimmermann wrote:
If the console is unlocked during registration, the console subsystem generates significant amounts of warnings, which obfuscate actual debugging messages. Setting ignore_console_lock_warning while debugging console registration avoid the noise.
v2:
- restore ignore_console_lock_warning if lock_fb_info() fails
Signed-off-by: Thomas Zimmermann tzimmermann@suse.de
Patch looks good to me, thanks:
Reviewed-by: Hans de Goede hdegoede@redhat.com
For "[PATCH v2] console: Replace #if 1 with a bool to ignore" Petr wrote:
"Acked-by: Petr Mladek pmladek@suse.com
I assume that it will go via fbdev tree with the other changes unless I hear otherwise."
So that patch and this one can both be picked up by Bartlomiej for merging through the fbdev tree when he is back.
Regards,
Hans
drivers/video/fbdev/core/fbmem.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index 9e2f9d3c760e..432c26eeabfb 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -1627,6 +1627,7 @@ static int do_register_framebuffer(struct fb_info *fb_info) int i, ret; struct fb_event event; struct fb_videomode mode;
bool saved_ignore_console_lock_warning = ignore_console_lock_warning;
if (fb_check_foreignness(fb_info)) return -ENOSYS;
@@ -1691,17 +1692,23 @@ static int do_register_framebuffer(struct fb_info *fb_info) event.info = fb_info; if (!lockless_register_fb) console_lock();
- else
if (!lock_fb_info(fb_info)) {ignore_console_lock_warning = true;
if (!lockless_register_fb)
console_unlock();
return -ENODEV;
ret = -ENODEV;
goto unlock_console;
}
ret = 0;
fb_notifier_call_chain(FB_EVENT_FB_REGISTERED, &event); unlock_fb_info(fb_info);
+unlock_console: if (!lockless_register_fb) console_unlock();
- return 0;
else
ignore_console_lock_warning =
saved_ignore_console_lock_warning;
return ret; }
static int do_unregister_framebuffer(struct fb_info *fb_info)