Re: optimizing out inline functions
From: Andrew Morton
Date: Thu May 29 2008 - 04:41:05 EST
On Wed, 28 May 2008 22:54:47 +0300 "Pekka Enberg" <penberg@xxxxxxxxxxxxxx> wrote:
> On Wed, May 28, 2008 at 10:51 PM, Steve French <smfrench@xxxxxxxxx> wrote:
> > Is one or the other style (with or without #define of empty function)
> > preferred? Does the compiler optimize both #else clauses out
> > properly? sparse and checkpatch seem to take either
>
> Both are optimized out but empty function is preferred for type checking.
Plus the inlined function can help suppress unused-var warnings because
it counts as a "use".
Sometimes this works the other way and the argument to the macro/inline
just doesn't exist, in which case we're forced to use a macro for the stub.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/