Messages in this thread | | | Date | Thu, 15 Sep 2016 14:37:26 -0400 (EDT) | From | Nicolas Pitre <> | Subject | Re: [PATCH v3) posix-timers: make it configurable |
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On Thu, 15 Sep 2016, John Stultz wrote:
> On Thu, Sep 15, 2016 at 11:28 AM, Nicolas Pitre > <nicolas.pitre@linaro.org> wrote: > > On Thu, 15 Sep 2016, John Stultz wrote: > > > >> > diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig > >> > index 62824f2fe4..62504a2c9f 100644 > >> > --- a/kernel/time/Kconfig > >> > +++ b/kernel/time/Kconfig > >> > @@ -195,3 +195,21 @@ config HIGH_RES_TIMERS > >> > > >> > endmenu > >> > endif > >> > + > >> > +config POSIX_TIMERS > >> > + bool "Posix Clocks & timers" if EMBEDDED > >> > + default y > >> > + help > >> > + This includes native support for POSIX timers to the kernel. > >> > + Most embedded systems may have no use for them and therefore they > >> > + can be configured out to reduce the size of the kernel image. > >> > + > >> > + When this option is disabled, the following syscalls won't be > >> > + available: timer_create, timer_gettime: timer_getoverrun, > >> > + timer_settime, timer_delete, clock_adjtime. Furthermore, the > >> > + clock_settime, clock_gettime, clock_getres and clock_nanosleep > >> > + syscalls will be limited to CLOCK_REALTIME and CLOCK_MONOTONIC > >> > + only. > >> > + > >> > + If unsure say y. > >> > > >> > >> One thought.. Should this go under: > >> Configure standard kernel features (expert users) > >> rather then a top level item under General Setup ? > > > > Hmmm... probably yes. > > > > Do you need that I repost the patch? > > I can see about moving it..
OK.
Making it conditional on EXPERT rather than EMBEDDED would also be more inline with the other similar options there.
Nicolas
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