Messages in this thread | | | Date | Fri, 9 Sep 2016 15:39:24 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [RFC/PATCH] posix-timers: make them configurable |
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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 <nico@linaro.org> > > 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 ....
> +void do_schedule_next_timer(struct siginfo *info) > +{ > +}
....
> +void thread_group_cputimer(struct task_struct *tsk, struct task_cputime *times) > +{ > +}
You should make them static inlines in the headers so they get compiled out completely.
Thanks,
tglx
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