Messages in this thread | | | Subject | RE: [PATCH][try 2] architectural pstate driver for powernow-k8 | Date | Wed, 10 Oct 2007 12:06:28 -0500 | From | "Langsdorf, Mark" <> |
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> > Has this been tested on older implementations of powernow yet? > > I'm happy to merge this and give it some time in -mm, before it > > goes to mainline, but if no-one is testing on those older > > opterons/turions etc then we're not going to know we regressed > > until its too late. If it hasn't been tested yet, any chance > > you can scrounge some up at AMD and give it a spin just to be sure? > > > I'd like to see this driver in the next kernel release.
Thanks, Andreas.
> So I have done some tests with this code - based on kernel > version 2.6.23. I have tested it on Athlon 64 X2, Athlon 64, > Turion X2 and some other parts > (e.g.family 0x10) and with different cpufreq governors. > I did not observe any problems with this driver update. > Behaviour is the same as before.
I've also been running it on my Turion X2 laptop for a few weeks without issues. It doesn't touch the legacy code path at all.
> So please consider to add the attached patch for 2.6.24. > Patch is against current Linus' git tree. This means the patch > "[CPUFREQ] Support different families in fid/did to frequency > conversion" which is contained in the cpufreq.git should > be ommitted. The issue fixed with that patch is solved > with this driver update, too.
Either patch is acceptable; I think they're fundamentally identical anyway.
-Mark Langsdorf Operating System Research Center AMD
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