kernel_samsung_sm7125

jenna

History

Rafael J. Wysocki 8314418629 Freezer: make kernel threads nonfreezable by default Currently, the freezer treats all tasks as freezable, except for the kernel threads that explicitly set the PF_NOFREEZE flag for themselves. This approach is problematic, since it requires every kernel thread to either set PF_NOFREEZE explicitly, or call try_to_freeze(), even if it doesn't care for the freezing of tasks at all. It seems better to only require the kernel threads that want to or need to be frozen to use some freezer-related code and to remove any freezer-related code from the other (nonfreezable) kernel threads, which is done in this patch. The patch causes all kernel threads to be nonfreezable by default (ie. to have PF_NOFREEZE set by default) and introduces the set_freezable() function that should be called by the freezable kernel threads in order to unset PF_NOFREEZE. It also makes all of the currently freezable kernel threads call set_freezable(), so it shouldn't cause any (intentional) change of behaviour to appear. Additionally, it updates documentation to describe the freezing of tasks more accurately. [akpm@linux-foundation.org: build fixes] Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Nigel Cunningham <nigel@nigel.suspend2.net> Cc: Pavel Machek <pavel@ucw.cz> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
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Kconfig	Merge branch 'juju' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6	18 years ago
Makefile	…
config_roms.c	ieee1394: eth1394: don't autoload by hotplug when ohci1394 starts	18 years ago
config_roms.h	ieee1394: eth1394: don't autoload by hotplug when ohci1394 starts	18 years ago
csr.c	…
csr.h	…
csr1212.c	ieee1394: csr1212: log if devices have CRC errors in their ROM	18 years ago
csr1212.h	ieee1394: csr1212: coding style	18 years ago
dma.c	ieee1394: move some comments from declaration to definition	18 years ago
dma.h	ieee1394: move some comments from declaration to definition	18 years ago
dv1394-private.h	…
dv1394.c	ieee1394: convert ieee1394 from "struct class_device" to "struct device"	18 years ago
dv1394.h	…
eth1394.c	ieee1394: eth1394: revert parent device to that in 2.6.20	18 years ago
eth1394.h	ieee1394: eth1394: handle tlabel exhaustion	18 years ago
highlevel.c	ieee1394: remove old isochronous ABI	18 years ago
highlevel.h	ieee1394: remove old isochronous ABI	18 years ago
hosts.c	ieee1394: first minimal NUMA awareness	18 years ago
hosts.h	ieee1394: remove old isochronous ABI	18 years ago
ieee1394-ioctl.h	…
ieee1394.h	…
ieee1394_core.c	Freezer: make kernel threads nonfreezable by default	18 years ago
ieee1394_core.h	ieee1394: remove old isochronous ABI	18 years ago
ieee1394_hotplug.h	…
ieee1394_transactions.c	ieee1394: remove old isochronous ABI	18 years ago
ieee1394_transactions.h	ieee1394: remove old isochronous ABI	18 years ago
ieee1394_types.h	…
iso.c	ieee1394: iso.c needs sched.h	18 years ago
iso.h	ieee1394: move some comments from declaration to definition	18 years ago
nodemgr.c	Freezer: make kernel threads nonfreezable by default	18 years ago
nodemgr.h	ieee1394: convert ieee1394 from "struct class_device" to "struct device"	18 years ago
ohci1394.c	ieee1394: remove old isochronous ABI	18 years ago
ohci1394.h	ieee1394: remove old isochronous ABI	18 years ago
pcilynx.c	ieee1394: remove old isochronous ABI	18 years ago
pcilynx.h	…
raw1394-private.h	ieee1394: remove old isochronous ABI	18 years ago
raw1394.c	ieee1394: remove old isochronous ABI	18 years ago
raw1394.h	ieee1394: remove old isochronous ABI	18 years ago
sbp2.c	Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6	18 years ago
sbp2.h	ieee1394: sbp2: change some module parameters from int to bool	18 years ago
video1394.c	ieee1394: convert ieee1394 from "struct class_device" to "struct device"	18 years ago
video1394.h	…