futex: Fix PREEMPT_RT build
Bugzilla: https://bugzilla.redhat.com/2070369
commit 4d38167330910ddb15b1add5b5cef835677a29fd
Author: Peter Zijlstra peterz@infradead.org
Date: Fri Oct 15 12:05:59 2021 +0200
futex: Fix PREEMPT_RT build
Mike reported that rcuwait went walk-about and is causing failures on
the PREEMPT_RT builds, restore it.
Reported-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Fernando Pacheco fpacheco@redhat.com
Edited by Fernando Pacheco