Re: [PATCH] x86 rwsem optimization extreme

[Zachary Amsden]

> Zachary Amsden<zamsden@xxxxxxxxxx>  writes
> > Incidentally, the cost of putting all the rwsem code inline, using the
> > straightforward approach, for git-tip, using defconfig on x86_64 is
> > 3565 bytes / 20971778 bytes total, or 0.0168%, using gcc 4.4.3.
> >      
> The nice advantage of putting lock code inline is that it gets
> accounted to the caller in all profilers.
>
> -Andi
>
>    

Unfortunately, only for the uncontended case.  The hot case still ends 
up in a call to the lock text section.

Zach
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