Andrew Morton wrote:
>
> I'm not sure I can be bothered repairing all that at present. I think I'll
> go and hide until it becomes somebody else's problem.
>
I'll fix it.
> <looks at hpa's tree>
>
> @@ -23,13 +23,14 @@ static int show_cpuinfo(struct seq_file
> "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce",
> "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov",
> "pat", "pse36", "pn", "clflush", NULL, "dts", "acpi", "mmx",
> - "fxsr", "sse", "sse2", "ss", "ht", "tm", "ia64", "pbe",
> + "fxsr", "sse", "sse2", "ss", "ht", "tm", "ia64", NULL,
>
> <wonders where pbe went to>
pbe collides with abuse by at least two vendors (AMD and
Cyrix/Centaur/VIA) of this bit for 3DNow. I don't know if that applies
only to the chips that don't support extended CPUID levels, but I'm
fairly sure that we don't handle that correctly in the vendor-specific
handlers.
I guess for now we can just unconditionally disable that bit in those
vendor routines, with a note saying that if there are such chips
supporting PBE then more sophisticated logic needs to be implemented.
-hpa
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