Re: [PATCH 1/1] x86: Convert cpuinfo_x86 array to a per_cpu arrayv3

From: Dave Jones
Date: Mon Sep 24 2007 - 19:48:53 EST


<excessive quoting trimmed, please don't quote 40K of text
to add a single line reply>

On Tue, Sep 25, 2007 at 12:01:56AM +0200, roel wrote:

> > --- a/arch/i386/kernel/cpu/cpufreq/powernow-k6.c
> > +++ b/arch/i386/kernel/cpu/cpufreq/powernow-k6.c
> > @@ -215,7 +215,7 @@ static struct cpufreq_driver powernow_k6
> > */
> > static int __init powernow_k6_init(void)
> > {
> > - struct cpuinfo_x86 *c = cpu_data;
> > + struct cpuinfo_x86 *c = &cpu_data(0);
> >
> > if ((c->x86_vendor != X86_VENDOR_AMD) || (c->x86 != 5) ||
> > ((c->x86_model != 12) && (c->x86_model != 13)))
>
> while we're at it, we could change this to
>
> if (!(c->x86_vendor == X86_VENDOR_AMD && c->x86 == 5 &&
> (c->x86_model == 12 || c->x86_model == 13)))

For what purpose? There's nothing wrong with the code as it stands,
and inverting the tests means we'd have to move a bunch of
code inside the if arm instead of just returning -ENODEV.

Dave

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