Re: [RFC, patch] i386: vgetcpu(), take 2

[Ingo Molnar]

* Andi Kleen <ak@xxxxxxx> wrote:

> On Wednesday 28 June 2006 07:44, Paul Jackson wrote:
> > > but my gut feeling is that we should add a proper sys_get_cpu() syscall 
> > 
> > Yes - this should be for more or less all arch's.
> 
> The whole point of the original implementation is to do a fast 
> architecture specific call. A slow generic call isn't very useful.

it's useful in terms of userspace uniformity. It's alot easier to expose 
such APIs via glibc if there's a generic implementation everywhere. 
Obviously every arch is encouraged to optimize it into a vsyscall.

	Ingo
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