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Date: Mon, 15 Sep 2014 08:23:16 -0400 From: Benjamin Herrenschmidt <benh@...nel.crashing.org> To: Preeti U Murthy <preeti@...ux.vnet.ibm.com> Cc: Michael Ellerman <mpe@...erman.id.au>, mikey@...ling.org, linux-pm@...r.kernel.org, rjw@...ysocki.net, linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org Subject: Re: [PATCH] cpuidle/powernv: Enter fastsleep on checking if deep idle states are allowed On Mon, 2014-09-15 at 14:22 +0530, Preeti U Murthy wrote: > > We were talking about getting rid of powersave_nap altogether, but I > think we > > decided we couldn't, I forget. > > Isn't this a helpful knob to disable cpuidle at runtime? Currently we > check the value of powersave_nap before entering both nap and > fastsleep. It's useful when diagnosing some problems that can be caused by idle states. Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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