On Mon, 18 Feb 2002, Alan Cox wrote:
> > counter, and I'm currently digging into that area... Stuff like a pc
> > speaker driver going wild bothers me a bit more...
>
> Fix the speaker driver I guess is the answer. It shouldnt have done that.
Well, yeah.. So if its just the speaker driver I might sleep better
now :)
> > Could anybody perhaps tell me why he/she doesn't consider this a
> > problem? And is there a fundamental problem with solving this in
> > general? (I do see a problem with defining jiffies long long on x86,
> > because it might break a lot of things and probably wouldnt perform
> > as often as jiffies is touched... And you might sense I haven't
> > been into kernel hacking much...)
>
> Counting in long long is expensive and the drivers are meant to all use
> roll over safe compares
Yes, that's what I thought of, long long being too expensive. And
since jiffies doesn't seem to have a problem with rolling over, I
might try to hack the uptime-releated code a bit for myself... If
nobody isn't going like "DONT! THAT'S A VERY BAD IDEA FOR THIS AND
THIS REASON!" :)
Thanks
Oliver
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This archive was generated by hypermail 2b29 : Sat Feb 23 2002 - 21:00:16 EST