Re: [PATCH] Extend mwait idle to optimize away CAL and RESinterrupts to an idle CPU -v1

[Peter Zijlstra]

On Fri, 2012-02-24 at 14:13 +0800, Yong Zhang wrote:

> This remind me that we should have moved the irq_enter()/irq_exit() to
> each arch's related irq handler.
> see: http://marc.info/?l=linux-kernel&m=130709505700821&w=2
> 
> So Peter, is there someone alread on it? or it still worth doing now?

trouble was that some people didn't feel comfortable adding that
overhead to plain resched IPIs that didn't need to do anything. So I
more or less let it sit for a while.
--
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/