[PATCH] add big endian version of ld_/st_ IO access macros and convert main 8xx code to use it

Paul Mackerras paulus at samba.org
Thu Sep 8 14:27:11 EST 2005

Marcelo Tosatti writes:

> eieio/isync are not required. There's no need to execute redudant
> instructions and occupy kernel space.

Given how long it takes to access I/O devices, I don't believe an
extra instruction or two is going to make a measurable difference.
Feel free to show me measurements proving me wrong, of course... :)


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