Messages in this thread |  | | Subject | Re: [PATCH] tsc-disable_B9 | From | Alan Cox <> | Date | 21 Aug 2002 18:34:17 +0100 |
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On Wed, 2002-08-21 at 18:17, Andrea Arcangeli wrote: > > Fixed in the -ac tree for the non APM triggered case because we use > > cpufreq code > > if the reduced loops is supposed to work fine what was there left to fix?
Support for doing it right in case someone finds a marginal component where it doesnt. Incidentally the APM case is it appears fixable.
> > And you can test that with notsc. Oh and you might also want the code > > that makes notsc on a tsc only kernel print a warning btw. badtsc lets > > you say "I have a brain cell" notsc lets you select "clueless app > > checking mode" > > what's wrong with a sysctl to specify you have a brain cell? I'm not > advocating not to let you specify you have a brain cell, I'm only don't > see why we should assume it when we very know apps will break silenty, > and that it will be not noticeable except with subtle breakage after > some runtime in -ac.
The default behaviours are unchanged. badtsc is simply an extra mode. If anything the new tree is far better because "notsc" on a 686 kernel actually warns people it is being ignored. Thats the important bit. Badtsc is just a handy thing.
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