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

Matt Dainty (matt@bodgit-n-scarper.com)
Tue, 8 Jan 2002 11:13:02 +0000

On Sun, Jan 06, 2002 at 06:40:58PM -0700, Richard Gooch wrote:
>
> So I'd like to propose a new file (say kernel/smp.c) which has generic
> startup code for each CPU. To start with, it can have a
> generic_cpu_init() function, which is called by each arch. Note that
> this function would be called for the boot CPU too.

Would this also be hacked into whatever Hotswap CPU support exists? Such
that plugging in a new CPU spawns a new cpu/%d directory, (and removing one
deletes the directory), or do we just scan for the total number of possible
slots on boot and rely on any nodes to return -ENODEV or whatever when
there's no CPU physically present? (Probably easier)

(Maybe not smp.c, as this is for Uniprocessor boxen as well, cpu.c? :-)

Matt

-- 
"Phased plasma rifle in a forty-watt range?"
"Hey, just what you see, pal"
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