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Re: [PATCH v3 0/4] make POSIX timers optional with some Kconfig help

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On Mon, 7 Nov 2016, Nicolas Pitre wrote:

> Many embedded systems don't need the full POSIX timer support.
> Configuring them out provides a nice kernel image size reduction.
> 
> When POSIX timers are configured out, the PTP clock subsystem should be
> left out as well. However a bunch of ethernet drivers currently *select*
> the later in their Kconfig entries. Therefore some more work was needed
> to break that hard dependency from those drivers without preventing their
> usage altogether.
> 
> Therefore this series also includes kconfig changes to implement a new
> keyword to express some reverse dependencies like "select" does, named
> "imply", and still allowing for the target config symbol to be disabled
> if the user or a direct dependency says so.
> 
> At this point I'd like to gather ACKs especially from people in the "To"
> field. Ideally this would need to go upstream as a single series to avoid
> cross subsystem dependency issues.  So far it was suggested that this should go
> via the kbuild tree.

This is also available here for those who prefer a git tree:

git://git.linaro.org/people/nicolas.pitre/linux/ configurable_posix_timers


Nicolas

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[PATCH v3 0/4] make POSIX timers optional with some Kconfig help Nicolas Pitre <nicolas.pitre@linaro.org> - 2016-11-07 23:20 +0100
  [PATCH v3 3/4] ptp_clock: allow for it to be optional Nicolas Pitre <nicolas.pitre@linaro.org> - 2016-11-07 23:20 +0100
    Re: [PATCH v3 3/4] ptp_clock: allow for it to be optional Edward Cree <ecree@solarflare.com> - 2016-11-08 14:20 +0100
  [PATCH v3 4/4] posix-timers: make it configurable Nicolas Pitre <nicolas.pitre@linaro.org> - 2016-11-07 23:20 +0100
    Re: [PATCH v3 4/4] posix-timers: make it configurable John Stultz <john.stultz@linaro.org> - 2016-11-08 18:50 +0100
      Re: [PATCH v3 4/4] posix-timers: make it configurable Nicolas Pitre <nicolas.pitre@linaro.org> - 2016-11-08 19:20 +0100
        Re: [PATCH v3 4/4] posix-timers: make it configurable John Stultz <john.stultz@linaro.org> - 2016-11-08 20:00 +0100
  [PATCH v3 1/4] kconfig: introduce the "imply" keyword Nicolas Pitre <nicolas.pitre@linaro.org> - 2016-11-07 23:20 +0100
  Re: [PATCH v3 0/4] make POSIX timers optional with some Kconfig  help Nicolas Pitre <nicolas.pitre@linaro.org> - 2016-11-07 23:40 +0100
  Re: [PATCH v3 2/4] kconfig: regenerate *.c_shipped files after  previous changes Josh Triplett <josh@joshtriplett.org> - 2016-11-07 23:40 +0100
    Re: [PATCH v3 2/4] kconfig: regenerate *.c_shipped files after  previous changes Nicolas Pitre <nicolas.pitre@linaro.org> - 2016-11-07 23:50 +0100
      Re: [PATCH v3 2/4] kconfig: regenerate *.c_shipped files after  previous changes Josh Triplett <josh@joshtriplett.org> - 2016-11-08 00:20 +0100
  Re: [PATCH v3 0/4] make POSIX timers optional with some Kconfig  help Thomas Gleixner <tglx@linutronix.de> - 2016-11-08 18:00 +0100

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