Re: linux-next: manual merge of the tiny tree with the tip tree

From: John Stultz
Date: Tue Nov 25 2014 - 01:30:24 EST


On Mon, Nov 24, 2014 at 10:16 PM, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
>
> * Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
>> Hi Josh,
>>
>> Today's linux-next merge of the tiny tree got a conflict in
>> kernel/time/Makefile between commit fd866e2b116b ("time: Rename
>> udelay_test.c to test_udelay.c") from the tip tree and commit
>> d1f6d68d03ea ("kernel: time: Compile out NTP support") from the tiny
>> tree.
>
> So I think a timer subsystem commit d1f6d68d03ea with this
> magnitude of linecount increase:
>
> Signed-off-by: Catalina Mocanu <catalina.mocanu@xxxxxxxxx>
> [josh: Handle CONFIG_COMPAT=y.]
> Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
> Signed-off-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
> ---
> drivers/pps/Kconfig | 2 +-
> include/linux/timex.h | 15 +++++++++++++--
> init/Kconfig | 10 ++++++++++
> kernel/compat.c | 8 ++++++--
> kernel/sys_ni.c | 4 ++++
> kernel/time/Makefile | 3 ++-
> kernel/time/ntp_internal.h | 28 ++++++++++++++++++++++++++++
> kernel/time/posix-timers.c | 2 ++
> kernel/time/time.c | 2 ++
> kernel/time/timekeeping.c | 2 ++
> 10 files changed, 70 insertions(+), 6 deletions(-)
>
> at minimum needs the ack of timer folks, before it can be
> committed to Git. Or is the tiny tree plan to submit all
> patches to the appropriate subsystem or gather acks, before
> sending it upstream?

Yea. From first glance d1f6d68d03ea looks fairly broken.

Returning 0 for ntp_tick_length() (which should be the current tick
length in NTP_SCALE_SHIFT shifted ns), seems like it would cause major
timekeeping problems.

thanks
-john
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