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authorRusty Russell <rusty@rustcorp.com.au>2008-06-23 13:55:38 +1000
committerIngo Molnar <mingo@elte.hu>2008-06-23 22:57:56 +0200
commit961ccddd59d627b89bd3dc284b6517833bbdf25d (patch)
tree4d755085845b8beeaa0bbc3d3ee66e1ccc4156a8 /drivers
parent481c5346d0981940ee63037eb53e4e37b0735c10 (diff)
sched: add new API sched_setscheduler_nocheck: add a flag to control access checks
Hidehiro Kawai noticed that sched_setscheduler() can fail in stop_machine: it calls sched_setscheduler() from insmod, which can have CAP_SYS_MODULE without CAP_SYS_NICE. Two cases could have failed, so are changed to sched_setscheduler_nocheck: kernel/softirq.c:cpu_callback() - CPU hotplug callback kernel/stop_machine.c:__stop_machine_run() - Called from various places, including modprobe() Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org Cc: sugita <yumiko.sugita.yf@hitachi.com> Cc: Satoshi OSHIMA <satoshi.oshima.fk@hitachi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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