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SubjectRe: [ANNOUNCE] high-res-timers patches for 2.6.6
Arjan van de Ven wrote:
> On Thu, Jun 10, 2004 at 05:02:23PM -0700, George Anzinger wrote:
>>Arjan van de Ven wrote:
>>>On Thu, 2004-06-10 at 03:49, Geoff Levand wrote:
>>>>Available at
>>>>For those interested, the set of three patches provide POSIX high-res
>>>>timer support for linux-2.6.6. The core and i386 patches are updates of
>>>>George Anzinger's hrtimers-2.6.5-1.0.patch available on SourceForge
>>>><>. The ppc32 port is
>>>>not available on SourceForge yet.
>>>My first impression is that it has WAAAAAAAAAAAY too many ifdefs. I
>>>would strongly suggest to not make this a config option and just
>>>mandatory, it's a core feature that has no point in being optional. If
>>>you accept that, the code also becomes a *LOT* cleaner.
>>Yes, but... The main problem is that this would break all the archs that
>>don't have the needed arch dependent code yet. By making the high-res part
>>depend on the arch config turning on a config, we don't break the archs and
>>they can sign up as they get their act together.
> if the price is this amount of uglyness then that's the wrong approach imo.
> Would be nicer to make dummy helpers the arch people can just take during
> the transition instead.

I have another solution, connected with the ability to turn it off at boot time.
Unsupporting archs would just not define a flag.

George Anzinger
Preemption patch:

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