J.A. Magallon wrote:
> Hi all...
>
> Grepping through the sources or the kernel in search of CONFIG_M686
> occurences, there are some places where it looks like that flag is
> used as 'Anything bigger than a Pentium'. Now kernel has configs
> for PIII, P4, probably PII.
>
> It is the f00f bug handling. Files:
>
> arch/i386/kernel/traps.c:
>
> #ifndef CONFIG_M686 <=================== which also passes if PII, P4...
> void __init trap_init_f00f_bug(void)
> ...
>
> arch/i386/kernel/setup.c:
>
> static void __init init_intel(struct cpuinfo_x86 *c)
> {
> #ifndef CONFIG_M686 <=================== again
> static int f00f_workaround_enabled = 0;
> ...
>
>
> So thats why I asked if we could use a CONFIG_MPENTIUMPRO, and make
> CONFIG_M686 a generic flag that is also defined for anything bigger
> than a Pentium (that looks like the current usage).
>
> So:
> Pentium -> M586
> PPro -> MPENTIUMPRO M686
> PII -> MPENTIUMII M686
> PIII -> MPENTIUMIII M686
> P4 -> MPENTIUM4 M686
>
>
I fixed that in 2.5 by introducing CONFIG_X86_F00F_BUG.
http://marc.theaimsgroup.com/?l=linux-kernel&m=101416800017102&w=4
--Brian Gerst
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This archive was generated by hypermail 2b29 : Fri May 31 2002 - 22:00:21 EST