Re: [PATCH] DevFS support for /dev/cpu/X/(cpuid|msr)

H. Peter Anvin
2002-01-06T21:14:01Z

Richard Gooch wrote:

>>>
>>If you don't understand why this is idiotic, then let me enlighten you:
>>there is no sensible reason why /dev/cpu/%d should only be populated
>>after having run a CPU-dependent device driver. /dev/cpu/%d should be
>>always populated; heck, that's the only way you can sensibly handle
>>hotswapping CPUs.
>
> I've already privately told Matt that it would be nice if creation of
> /dev/cpu/%d was handled by generic boot code, and not a driver.
> However, I don't see that as essential for the CPUID and MSR drivers.
>

I don't see putting a lot of devfs shit into the CPUID and MSR drivers
as essential in any shape, way or form. Do it right or don't do it at all.

-hpa