[parisc-linux] itlb miss handler optimizations!

[Joel Soete]

>
>I forgot that lamont noticed an interlocked zdep in the PA11 common case
>and we reorderd the insn sequence. Perhaps this helped the numbers a
>bit. I have to run the same lmbench tests on a 64-bit box first to
>compare.

btw is it for that reason (interlock) that in your patch we can read:
[...]
        cmpb,=        %r0,t0,itlb_miss_...
        nop
[...]
I am alway asking why the 'nop'.

Thanks in advance,
    Joel



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