sched/deadline: Change sched_getparam() behaviour vs SCHED_DEADLINE
The way we read POSIX one should only call sched_getparam() when sched_getscheduler() returns either SCHED_FIFO or SCHED_RR. Given that we currently return sched_param::sched_priority=0 for all others, extend the same behaviour to SCHED_DEADLINE. Requested-by: NMichael Kerrisk <mtk.manpages@gmail.com> Signed-off-by: NPeter Zijlstra <peterz@infradead.org> Acked-by: NMichael Kerrisk <mtk.manpages@gmail.com> Cc: Dario Faggioli <raistlin@linux.it> Cc: linux-man <linux-man@vger.kernel.org> Cc: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> Cc: Juri Lelli <juri.lelli@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: <stable@vger.kernel.org> Link: http://lkml.kernel.org/r/20140512205034.GH13467@laptop.programming.kicks-ass.netSigned-off-by: NIngo Molnar <mingo@kernel.org>
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