[GIT PULL]: clocksource: new material for 3.13

Daniel Lezcano daniel.lezcano at linaro.org
Mon Sep 30 14:09:06 EDT 2013


On 09/30/2013 07:49 PM, John Stultz wrote:
> On 09/30/2013 10:41 AM, Daniel Lezcano wrote:
>>
>> Hi Thomas,
>>
>> this pull request is based on 3.12-rc3 with the following content:
>>
>>   - Miroslav improved the RTC update by increasing the interval
>> acceptable for an update in the sync_cmos_clock workqueue callback
>>
>>   - Prarit added a missing function declaration to fix a compilation
>> issue on x86. Please *note*, this patch is coming from a pull from
>> John's tree, it would make sense to cherry-pick this fix into
>> timers/urgent
>>
>>   - Soren added FEAT_PERCPU to a clock device when it is local per cpu.
>> This feature prevents the clock framework to choose a per cpu timer as
>> a broadcast timer. This problem arised when the ARM global timer is
>> used which is the case now on Xillinx.
>>
>>   - Stephen extended the generic sched_clock code to support 64bit
>> counters and removes the setup_sched_clock deprecation, as that causes
>> lots of warnings since there's still users in the arch/arm tree.
>>
>>   - Will and Sudeep implemented the event stream for architected timer.
>> The event streams can be used to impose a timeout on a wfe, to
>> safeguard against any programming error in case an expected event is
>> not generated or even to implement wfe-based timeouts for userspace
>> locking implementations.
>>
>>   - Zoran prevents to enter suspend mode if there are pending RTC
>> timers to be handled, avoiding these ones to be delayed as well as the
>> subsequent possible time critical code tied with them.
>>
>
>
> Hey Daniel,
>      So this looks like a strange pull request. You based it on 3.12-rc3
> instead of the current tip/timers/core (which is what your submitting
> this to). Unfortunately since the branch you pulled from me was based on
> tip/timers/core, this pull request seems to be submitting items that are
> already in tip/timers/core (like the changes from Prarit, Miroslav and
> Zoran).

Aah right !

> Does any of the changes here actually depend on 3.12-rc3? If not you
> might just re-generate the branch against tip/timers/core, and you'll
> end up with a much cleaner pull request.

Ok, I think I misunderstood Thomas's email [1] :s

No changes depend on 3.12-rc3, I will generate a pull request against 
tip/timers/core.

Thanks for spotting this.

   -- Daniel

[1] https://lkml.org/lkml/2013/8/21/269


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