Re: [PATCH RFC] ARM: option for loading modules into vmalloc area

From: Russell King - ARM Linux
Date: Wed Nov 19 2014 - 11:55:39 EST

On Wed, Nov 19, 2014 at 05:38:57PM +0100, Ard Biesheuvel wrote:
> Numbers are disambiguated by the f and b suffixes, so they can be
> reused in the same .s file. So as long as you use a strictly numerical
> prefix, you can deal correctly with the case where, for instance,
> do_div() is called twice in the same compilation unit, and still not
> clash with other inline asm

What's not particularly nice though is to hide these in a macro,
which itself may be part of a larger macro or code fragment also
using small numbers.

We probably ought to be a bit more inteligent about how we choose
these numbers inside macros, rather than just randomly picking some
and hoping that they don't clash.

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