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SubjectRe: [PATCH 1/1] X86: use explicit register name for get/put_user
On 12/06/2009 01:30 AM, Jiri Slaby wrote:
> I don't know if this could ever cause any problems, but changing
> the input to an explicit register ("a") makes it cleaner in my eyes.
> There is no need of the back reference.

It can't: the backreference refers to only the information that is in
the register constraint, not to anything else. I really would prefer
avoiding any changes to working code that aren't justified, simply
because every time we change an asm() we risk tickling a new obscure bug
in some old version of gcc.

As such,

Nacked-by: H. Peter Anvin <>

H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.

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