On Wed, May 24, 2017 at 10:15:26AM +0200, Thomas Gleixner wrote: > From: Sebastian Andrzej Siewior <bige...@linutronix.de> > > stp_work_fn() holds get_online_cpus() while invoking stop_machine(). > > stop_machine() invokes get_online_cpus() as well. This is correct, but > prevents the conversion of the hotplug locking to a percpu rwsem. > > Use stop_machine_cpuslocked() to avoid the nested call. Convert > *_online_cpus() to the new interfaces while at it. > > Signed-off-by: Sebastian Andrzej Siewior <bige...@linutronix.de> > Signed-off-by: Thomas Gleixner <t...@linutronix.de> > Cc: linux-s...@vger.kernel.org > Cc: Peter Zijlstra <pet...@infradead.org> > Cc: Heiko Carstens <heiko.carst...@de.ibm.com> > Cc: Steven Rostedt <rost...@goodmis.org> > Cc: David Hildenbrand <d...@linux.vnet.ibm.com> > Cc: Martin Schwidefsky <schwidef...@de.ibm.com> > > --- > arch/s390/kernel/time.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-)
Acked-by: Heiko Carstens <heiko.carst...@de.ibm.com>
