Re: [Xen-devel] 2.6.37 dom0 under Xen 4.1 clocksource not workin

To:	Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Subject:	Re: [Xen-devel] 2.6.37 dom0 under Xen 4.1 clocksource not working
From:	Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date:	Wed, 26 Jan 2011 17:18:03 -0800
Cc:	Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
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On 01/26/2011 12:12 PM, Konrad Rzeszutek Wilk wrote:
> Is this how 2.6.32 did it? Or was there no cpuidle driver in 2.6.32 so
> we never had tried this?

CPUIDLE is new.

>  With this being overwridden to HALT does that
> mean the hypervisor cycles through the Cx states? What about using
> MWAIT instead? How does this impact AMD platforms?

"halt" in this case is the safe_halt pvop, so it ends up going into the
appropriate hypercall.

    J

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Re: [Xen-devel] 2.6.37 dom0 under Xen 4.1 clocksource not working