Re: [PATCH] x86: Add portable getcpu call
From: Andi Kleen
Date: Wed Sep 27 2006 - 08:44:03 EST
On Wednesday 27 September 2006 14:39, Heiko Carstens wrote:
> > > So this means that the contents of getcpu_cache will look completely
> > > different if a process runs in 32bit mode or 64bit mode. Even if you're
> > > saying "user programs should not..." this looks odd to me.
> > > Is this really on purpose and do you really think that no user space
> > > application will ever rely on the format of getcpu_cache?
> > The vsyscalls do, but if anything else does it deserves breaking.
> > In the user headers it will also be just a array blob.
> Ah, ok. The blob thing is the part I missed then.
Hmm, perhaps it's better to do that in the standard kernel headers.
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