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SubjectRe: linux-2.1.42 question
Date
>    +#ifndef NO_ANK_FIX
> + __asm__ __volatile__ ("jmp 1f ; 1:");
> +#endif
> pg0[0] = old;
> local_flush_tlb();
>
> Apparently, it is a problem with tlb/command pipeline/hell-knows-more
>
> This may be "illusion", I frequently find that adding arbitrary extra
> instruction or some random data can make bugs disappear. Usually it
> is moving symbols in the kernel image and either:

Swap it for nops and see what occurs. This is however exactly the kind
of spot you find tlb/pipeline bugs in a lot of CPU's.

Alan


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