Messages in this thread | | | Date | Thu, 19 Apr 2007 19:06:50 +0200 | From | Adrian Bunk <> | Subject | Re: Dropping CONFIG_REORDER on x86-64 for 2.6.22 |
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On Thu, Apr 19, 2007 at 01:54:52PM +0200, Andi Kleen wrote: > > Hallo, > > I'm thinking about dropping the x86-64 CONFIG_REORDER for 2.6.22. > The function enabled -ffunction-sections and then tries to reorder > the executable > > While that's in theory a worthy goal to save TLB/icache, in practice it > didn't really work out. > > Rationale: >... > So I'm planning to drop the option and arch/x86_64/kernel/functionlist > > Comments?
Have there been any benchmarks showing performance improvements with -ffunction-sections?
> -Andi
cu Adrian
--
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