Messages in this thread | | | Date | Mon, 10 May 2010 17:53:38 +0200 | From | Martin Schwidefsky <> | Subject | Re: [RFC][PATCH 3/3] Try to convert non-trivial clocksources to clocksource_register_hz |
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On Fri, 30 Apr 2010 18:36:25 -0700 John Stultz <johnstul@us.ibm.com> wrote:
> NOT FOR INCLUSION! > NOT FOR INCLUSION! > > I've already gone through and converted the rest of the clocksources > to use clocksource_register_hz, and I'll be hopefully pushing those > to arch maintainers for 2.6.36-2.6.37. > > However, in going through all the clocksources, I hit a few > non-trivial conversions and wanted to bring them up on the list > early so they can be handled soon. > > The following patch tries to convert the non-trival clocksources > to use clocksource_register_hz/khz. It is likely broken. I will > need arch maintainer help to figure out the best way to resovle > these clocksources. > > This patch requires the previous "Add clocksource_register_hz/khz > interface" patch to build. > > So any help maintainers can provide in finding solutions to > break the mult/shift assumptions in the arch code would be > greatly appreciated! > > thanks > -john > > NOT FOR INCLUSION! > NOT FOR INCLUSION!
The s390 conversion to clocksource_register_khz looks good - at least the kilo hertz value is correct. Bit 2^12 of the TOD value are microseconds, which makes one millisecond (1000<<12).
-- blue skies, Martin.
"Reality continues to ruin my life." - Calvin.
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