sched/rt: Enqueue just unthrottled rt_rq back on the stack in __disable_runtime()
authorKirill Tkhai <ktkhai@parallels.com>
Wed, 25 Jun 2014 08:19:48 +0000 (12:19 +0400)
committerIngo Molnar <mingo@kernel.org>
Sat, 5 Jul 2014 09:17:44 +0000 (11:17 +0200)
commit99b625670f1447ecf0739161efbe7f2f43c0e0b6
tree81106175ac54b685be1622fee04c934f71783bc6
parent0e59bdaea75f12a7d7c03672f4ac22c0119a1bc0
sched/rt: Enqueue just unthrottled rt_rq back on the stack in __disable_runtime()

Make rt_rq available for pick_next_task(). Otherwise, their tasks
stay prisoned long time till dead cpu becomes alive again.

Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Kirill Tkhai <ktkhai@parallels.com>
CC: Konstantin Khorenko <khorenko@parallels.com>
CC: Ben Segall <bsegall@google.com>
CC: Paul Turner <pjt@google.com>
CC: Mike Galbraith <umgwanakikbuti@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1403684388.3462.43.camel@tkhai
Signed-off-by: Ingo Molnar <mingo@kernel.org>
kernel/sched/rt.c