s390/perf: Convert the hotplug notifier to state machine callbacks (Sampling)
authorSebastian Andrzej Siewior <bigeasy@linutronix.de>
Wed, 13 Jul 2016 17:16:22 +0000 (17:16 +0000)
committerIngo Molnar <mingo@kernel.org>
Thu, 14 Jul 2016 07:34:38 +0000 (09:34 +0200)
commite3d617fe6ac7294974fc513dc5e4d8ada8080fd1
tree9ada7d57019fe7bce35807face130306b4c41b87
parent4f0f8217e69a0f6ff727913aa49cb64632ff7b6a
s390/perf: Convert the hotplug notifier to state machine callbacks (Sampling)

Install the callbacks via the state machine and let the core invoke the
callbacks on the already online CPUs.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-s390@vger.kernel.org
Cc: rt@linutronix.de
Link: http://lkml.kernel.org/r/20160713153334.518084858@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/s390/kernel/perf_cpum_sf.c
include/linux/cpuhotplug.h