Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH] x86: Add portable getcpu call | Date | Wed, 27 Sep 2006 14:04:09 +0200 |
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> > 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.
I was considering to xor it with a random value to bring the point across more strongly, but then didn't do it. Do you think I should?
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