On Fri, 9 Sep 2016, Thomas Gleixner wrote: > On Thu, 8 Sep 2016, Nicolas Pitre wrote: > > Small embedded systems typically don't need them. This removes about > > 16KB from the kernel binary size on ARM when configured out. > > Corresponding syscalls are routed to a stub logging the attempt to > > use those syscalls which should be enough of a clue if they were > > disabled without proper consideration. > > > > Signed-off-by: Nicolas Pitre <[email protected]> > > > > diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig > > index ee3de3421f..00e6098e9a 100644 > > --- a/drivers/ptp/Kconfig > > +++ b/drivers/ptp/Kconfig > > @@ -6,7 +6,7 @@ menu "PTP clock support" > > > > config PTP_1588_CLOCK > > tristate "PTP clock support" > > - depends on NET > > + depends on NET && POSIX_TIMERS > > select PPS > > select NET_PTP_CLASSIFY > > help > > You forgot CONFIG_TIMERFD ....
Unless I'm mistaken, I don't see anything in timerfd.c that depends on the (removed) POSIX timer code. What am I missing? Nicolas
