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PM / Sleep: Require CAP_BLOCK_SUSPEND to use wake_lock/wake_unlock
authorRafael J. Wysocki <rjw@sisk.pl>
Wed, 18 Jul 2012 22:00:58 +0000 (00:00 +0200)
committerRafael J. Wysocki <rjw@sisk.pl>
Wed, 18 Jul 2012 22:00:58 +0000 (00:00 +0200)
commit11388c87d2abca1f01975ced28ce9eacea239104
tree60e338e5ab817de96a461b08892e0663a316d67ctree | snapshot
parent823d93640927d739f7c918b73fe5ec494fb27e17commit | diff
PM / Sleep: Require CAP_BLOCK_SUSPEND to use wake_lock/wake_unlock

Require processes wanting to use the wake_lock/wake_unlock sysfs
files to have the CAP_BLOCK_SUSPEND capability, which also is
required for the eventpoll EPOLLWAKEUP flag to be effective, so that
all interfaces related to blocking autosleep depend on the same
capability.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: stable@vger.kernel.org
Acked-by: Michael Kerrisk <mtk.man-pages@gmail.com>
kernel/power/wakelock.c diff | blob | history
Domain: System / Kernel;