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

From: H. Peter Anvin (
Date: Sun Jan 06 2002 - 20:44:36 EST

Richard Gooch wrote:

> Unfortunately, there doesn't seem to be a really nice place to put
> generic SMP startup code. Each arch defines it's own per-cpu startup
> code. As Matt asked in a private email, it would require hacks to each
> arch to support this (Matt: this is my reply:-). While it would be
> fairly simple to add a call to a devfs_cpu_register() function to each
> arch, this does seem a bit hackish.
> 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.

Makes sense.


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