Matthew Garrett wrote:
> On Mon, Jun 19, 2006 at 08:33:33PM -0700, Andrew Morton wrote:
>>> + { set_max_cstate, "IBM ThinkPad R40e", {
>>> + DMI_MATCH(DMI_BIOS_VENDOR, "IBM"),
>>> + DMI_MATCH(DMI_BIOS_VERSION, "1SET70WW") }, (void*)1},
>
>> It seems that every R40e in the world is in that table.
>>
>> Can/should we wildcard it? From my reading of dmi_check_system(), we can use
>> "" in place of the "1SET..." string and it'll dtrt?
>
> Wouldn't that result in every machine with "IBM" as the BIOS vendor
> having their maximum c-state limited?
Yes. DMI_MATCH() specifies substring matching, so _if we knew_
that any BIOS version that began with "1SET4", "1SET5", "1SET6",
or "1SET7" needed C-state limiting, the table could be made a lot
smaller. But then it may need some exceptions, so just sticking
with full version strings seems reasonable to me.
~Randy
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