sched: Streamline the task migration locking a little

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The whole migrate_task{,s}() locking seems a little shaky, there's a
lot of dropping an require happening. Pull the locking up into the
callers as far as possible to streamline the lot.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: ktkhai@parallels.com
Cc: rostedt@goodmis.org
Cc: juri.lelli@gmail.com
Cc: pang.xunlei@linaro.org
Cc: oleg@redhat.com
Cc: wanpeng.li@linux.intel.com
Cc: umgwanakikbuti@gmail.com
Link: http://lkml.kernel.org/r/20150611124743.755256708@infradead.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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Peter Zijlstra 2015-06-11 14:46:51 +02:00 • committed by Thomas Gleixner

parent 5cc389bcee

commit 5e16bbc2fb

1 changed files with 34 additions and 42 deletions

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kernel/sched/core.c

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