Re: 2.2.0pre1 OOPS on boot.
Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 30 Dec 1998 11:43:23 +0000 (GMT)
> - CONFIG_M386: Runs on anything
> - CONFIG_M486: requires "invlpg" and a working supervisor mode WP bit
> - CONFIG_M586: requires "rdtsc"
> - CONFIG_M686: requires a non-broken local APIC when running SMP
>
> and now all machine configuration options actually have real meaning for
> the behaviour of the kernel apart from just some alignment hints to the
> compiler.
The alignment hints are wrong for most non intel chips without RDTSC if you
try and tie alignment to CPU info. The 'requires rdtsc' for 586+ isnt needed
except for SMP systems - which are all intel for x86 so the problem doesn't
arise for that case.
Alan
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