Messages in this thread | | | Subject | Re: [patch 4/4] powerpc 2.6.21-rt1: reduce scheduling latency by changing tlb flush size | From | Thomas Gleixner <> | Date | Mon, 14 May 2007 08:51:46 +0200 |
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Tsutomu-san,
On Mon, 2007-05-14 at 15:38 +0900, Tsutomu OWA wrote: > Oopps, Subject was wrong.... resending it. Sorry. > > To reduce scheduling latecy by changing tlb flush size to 1. > Since tlb flush on Celleb is done by calling (an) expensive hypervisor call(s), > it takes a long time to flush tlbs and causes scheduing latency. > > As I don't know how long it takes on other platforms, it would be better to > enclose it within #ifdef CONFIG_PPC_CELLEB.
Yes, that might be appropriate. Can you add this and resend please ?
tglx
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