Re: [patch 00/17] CFS Bandwidth Control v7.1

[Peter Zijlstra]

On Fri, 2011-07-08 at 00:39 -0700, Paul Turner wrote:
> 
> >  Going beyond that
> > would be using static_branch() to track if there is any bandwidth
> > tracking required at all.
> >
> 
> I spent some time examining this option as well.  Our toolchain
> apparently is stuck on gcc-4.4 which left me scratching my head at the
> supposed jump label assembly being omitted until I realized
> CC_HAS_ASM_GOTO was missing.  I will roll this up also and benchmark
> tomorrow. 

Ah, does it actually make things worse if it uses the static_branch
fallbacks? If so we should probably use some HAVE_JUMP_LABEL foo.
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