On Thu, 1 Aug 2019, Peter Zijlstra wrote: > On Thu, Aug 01, 2019 at 04:32:54PM +0200, Thomas Gleixner wrote: > > --- a/kernel/time/Kconfig > > +++ b/kernel/time/Kconfig > > @@ -52,6 +52,11 @@ config GENERIC_CLOCKEVENTS_MIN_ADJUST > > config GENERIC_CMOS_UPDATE > > bool > > > > +# Select to handle posix CPU timers from task_work > > +# and not from the timer interrupt context > > +config POSIX_CPU_TIMERS_TASK_WORK > > + bool > > + > > if GENERIC_CLOCKEVENTS > > menu "Timers subsystem" > > > > > diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt > index deff97217496..76e37ad5bc31 100644 > --- a/kernel/Kconfig.preempt > +++ b/kernel/Kconfig.preempt > @@ -58,6 +58,7 @@ config PREEMPT > config PREEMPT_RT > bool "Fully Preemptible Kernel (Real-Time)" > depends on EXPERT && ARCH_SUPPORTS_RT > + depends on POSIX_CPU_TIMERS_TASK_WORK
Indeed.
