Re: [PATCH 2/3] freezer: get rid of the kthread freezer
From: kbuild test robot
Date: Fri Oct 30 2015 - 10:14:10 EST
Hi Jiri,
[auto build test WARNING on v4.3-rc7 -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
url: https://github.com/0day-ci/linux/commits/Jiri-Kosina/PM-vfs-use-filesystem-freezing-instead-of-kthread-freezer/20151030-215223
config: x86_64-randconfig-x017-10300134 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All warnings (new ones prefixed by >>):
drivers/media/dvb-core/dvb_frontend.c: In function 'dvb_frontend_thread':
>> drivers/media/dvb-core/dvb_frontend.c:730:1: warning: label 'restart' defined but not used [-Wunused-label]
restart:
^
vim +/restart +730 drivers/media/dvb-core/dvb_frontend.c
9239effd5 drivers/media/dvb-core/dvb_frontend.c Mauro Carvalho Chehab 2015-01-06 714 if (ret) {
9239effd5 drivers/media/dvb-core/dvb_frontend.c Mauro Carvalho Chehab 2015-01-06 715 /* FIXME: return an error if it fails */
9239effd5 drivers/media/dvb-core/dvb_frontend.c Mauro Carvalho Chehab 2015-01-06 716 dev_info(fe->dvb->device,
9239effd5 drivers/media/dvb-core/dvb_frontend.c Mauro Carvalho Chehab 2015-01-06 717 "proceeding with FE task\n");
8a26a258b drivers/media/dvb-core/dvb_frontend.c Mauro Carvalho Chehab 2015-02-23 718 } else if (fepriv->pipe_start_entity) {
135f9be91 drivers/media/dvb-core/dvb_frontend.c Mauro Carvalho Chehab 2015-01-06 719 ret = media_entity_pipeline_start(fepriv->pipe_start_entity,
135f9be91 drivers/media/dvb-core/dvb_frontend.c Mauro Carvalho Chehab 2015-01-06 720 &fepriv->pipe);
135f9be91 drivers/media/dvb-core/dvb_frontend.c Mauro Carvalho Chehab 2015-01-06 721 if (ret)
135f9be91 drivers/media/dvb-core/dvb_frontend.c Mauro Carvalho Chehab 2015-01-06 722 return ret;
9239effd5 drivers/media/dvb-core/dvb_frontend.c Mauro Carvalho Chehab 2015-01-06 723 }
135f9be91 drivers/media/dvb-core/dvb_frontend.c Mauro Carvalho Chehab 2015-01-06 724 #endif
9239effd5 drivers/media/dvb-core/dvb_frontend.c Mauro Carvalho Chehab 2015-01-06 725
04c56d0e5 drivers/media/dvb/dvb-core/dvb_frontend.c Andrew de Quincey 2006-07-10 726 dvb_frontend_init(fe);
36cb557a2 drivers/media/dvb/dvb-core/dvb_frontend.c Andrew de Quincey 2006-01-09 727
36cb557a2 drivers/media/dvb/dvb-core/dvb_frontend.c Andrew de Quincey 2006-01-09 728 while (1) {
36cb557a2 drivers/media/dvb/dvb-core/dvb_frontend.c Andrew de Quincey 2006-01-09 729 up(&fepriv->sem); /* is locked when we enter the thread... */
6591691b2 drivers/media/dvb/dvb-core/dvb_frontend.c Andrew Morton 2007-02-08 @730 restart:
94238e9b1 drivers/media/dvb/dvb-core/dvb_frontend.c Hans Verkuil 2011-08-27 731 wait_event_interruptible_timeout(fepriv->wait_queue,
e42837bcd drivers/media/dvb/dvb-core/dvb_frontend.c Rafael J. Wysocki 2007-10-18 732 dvb_frontend_should_wakeup(fe) || kthread_should_stop()
e42837bcd drivers/media/dvb/dvb-core/dvb_frontend.c Rafael J. Wysocki 2007-10-18 733 || freezing(current),
36cb557a2 drivers/media/dvb/dvb-core/dvb_frontend.c Andrew de Quincey 2006-01-09 734 fepriv->delay);
8eec14295 drivers/media/dvb/dvb-core/dvb_frontend.c Herbert Poetzl 2007-02-08 735
8eec14295 drivers/media/dvb/dvb-core/dvb_frontend.c Herbert Poetzl 2007-02-08 736 if (kthread_should_stop() || dvb_frontend_is_exiting(fe)) {
36cb557a2 drivers/media/dvb/dvb-core/dvb_frontend.c Andrew de Quincey 2006-01-09 737 /* got signal or quitting */
6ae232245 drivers/media/dvb-core/dvb_frontend.c Juergen Lock 2012-12-23 738 if (!down_interruptible(&fepriv->sem))
:::::: The code at line 730 was first introduced by commit
:::::: 6591691b259f9487f374f35c0c310aa220f829c6 V4L/DVB (5209): Kthread api conversion for dvb_frontend and av7110 fix
:::::: TO: akpm@xxxxxxxxxxxxxxxxxxxx <akpm@xxxxxxxxxxxxxxxxxxxx>
:::::: CC: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>
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