Re: [RFC][PATCH] Improving directed yield scalability for PLEhandler

From: Peter Zijlstra
Date: Mon Sep 10 2012 - 16:19:29 EST

On Mon, 2012-09-10 at 15:12 -0500, Andrew Theurer wrote:
> + /*
> + * if the target task is not running, then only yield if the
> + * current task is in guest mode
> + */
> + if (!(p_rq->curr->flags & PF_VCPU))
> + goto out_irq;

This would make yield_to() only ever work on KVM, not that I mind this
too much, its a horrid thing and making it less useful for (ab)use is a
good thing, still this probably wants mention somewhere :-)
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