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Groups > linux.kernel > #1538878

[patch 0/6] timekeeping: Cure the signed/unsigned wreckage

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This series addresses the recently reintroduced signed vs. unsigned
wreckage by cleaning up the whole call chain instead of just making a
simple s64 -> u64 'fix' at one point and keeping the rest signed, which
eventually led to the unintended signed conversion and brought back an
issue that was fixed a year ago already.

Here is the queue:

  timekeeping: Force unsigned clocksource to nanoseconds conversions
  timekeeping: Make the conversion call chain consistently unsigned
  timekeeping: Get rid of pointless typecasts

These three patches are definitely urgent material

  timekeeping: Use mul_u64_u32_shr() instead of open coding it

Can wait for 4.11, but for sanity reasons it should go into 4.10

  [RFD] timekeeping: Provide optional 128bit math

This is material for discussion. I'm not sure if we want to do that at
all, but it addresses the insanities of long time scheduled out VMs.

  [RFD] timekeeping: Get rid of cycle_t

This one cannot be merged right away as there are further cycles_t users in
next. I merily added it for reference and it can be done around rc1 time by
running a coccinelle script.

Thanks,

	tglx

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[patch 0/6] timekeeping: Cure the signed/unsigned wreckage Thomas Gleixner <tglx@linutronix.de> - 2016-12-08 22:00 +0100
  [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Thomas Gleixner <tglx@linutronix.de> - 2016-12-08 22:00 +0100
    Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Ingo Molnar <mingo@kernel.org> - 2016-12-09 05:10 +0100
      Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Ingo Molnar <mingo@kernel.org> - 2016-12-09 05:30 +0100
        Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math John Stultz <john.stultz@linaro.org> - 2016-12-09 05:50 +0100
      Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Peter Zijlstra <peterz@infradead.org> - 2016-12-09 05:50 +0100
        Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Ingo Molnar <mingo@kernel.org> - 2016-12-09 06:30 +0100
          Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Peter Zijlstra <peterz@infradead.org> - 2016-12-09 06:50 +0100
    Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Peter Zijlstra <peterz@infradead.org> - 2016-12-09 06:20 +0100
      Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Peter Zijlstra <peterz@infradead.org> - 2016-12-09 07:10 +0100
    Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Peter Zijlstra <peterz@infradead.org> - 2016-12-09 06:30 +0100
      Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Peter Zijlstra <peterz@infradead.org> - 2016-12-09 07:40 +0100
        Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Peter Zijlstra <peterz@infradead.org> - 2016-12-09 09:40 +0100
          Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Peter Zijlstra <peterz@infradead.org> - 2016-12-09 10:20 +0100
          Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Peter Zijlstra <peterz@infradead.org> - 2016-12-09 11:10 +0100
        Re: [patch 5/6] [RFD] timekeeping: Provide optional 128bit math Peter Zijlstra <peterz@infradead.org> - 2016-12-09 11:20 +0100
  [patch 3/6] timekeeping: Get rid of pointless typecasts Thomas Gleixner <tglx@linutronix.de> - 2016-12-08 22:00 +0100
    Re: [patch 3/6] timekeeping: Get rid of pointless typecasts David Gibson <david@gibson.dropbear.id.au> - 2016-12-09 00:50 +0100
    [tip:timers/core] timekeeping: Get rid of pointless typecasts tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2016-12-09 12:20 +0100
  Re: [patch 0/6] timekeeping: Cure the signed/unsigned wreckage John Stultz <john.stultz@linaro.org> - 2016-12-09 06:00 +0100
  Re: [patch 0/6] timekeeping: Cure the signed/unsigned wreckage Peter Zijlstra <peterz@infradead.org> - 2016-12-09 06:40 +0100

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