[LinuxBIOS] [PATCH] v3: cpu.h improvements (take 2)

[Stefan Reinauer]

* Uwe Hermann <uwe at hermann-uwe.de> [070630 17:17]:
> Bring the file cpu.h in sync with the current version of the code in
> the Linux kernel (as far as possible). The code is a lot simpler
> and shorter now.
> 
> Also, add cpu_relax() (which is also part of the Linux file) which
> could be useful for busy-loops (but is currently not used).
> Drop the cpu_relax() from spinlock.h as it's not spinlock related in any way.
> 
> The code builds, but is otherwise untested.
> 
> Signed-off-by: Uwe Hermann <uwe at hermann-uwe.de>
 
Can you test with qemu?

Otherwise
Acked-by: Stefan Reinauer <stepan at coresystems.de>


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