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Message-Id: <4F7341BA020000780007B825@nat28.tlf.novell.com> Date: Wed, 28 Mar 2012 15:52:10 +0100 From: "Jan Beulich" <JBeulich@...e.com> To: "Konrad Rzeszutek Wilk" <konrad.wilk@...cle.com> Cc: "Konrad Rzeszutek Wilk" <konrad@...nok.org>, "keir.xen@...il.com" <keir.xen@...il.com>, "Jinsong Liu" <jinsong.liu@...el.com>, "xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>, "Kernel development list" <linux-kernel@...r.kernel.org> Subject: Re: [Xen-devel] [PATCH 1/3] PAD helper for native and paravirt platform >>> On 28.03.12 at 16:27, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> wrote: > On Wed, Mar 28, 2012 at 01:42:45PM +0100, Jan Beulich wrote: >> >>> On 28.03.12 at 12:48, "Liu, Jinsong" <jinsong.liu@...el.com> wrote: >> > But just curious, what's the purpose and benefit of exposing mwait to dom0? > > > So that cstate.c can evaluate properly the deeper C-states and > xen-acpi-processor > can upload them to the hypervisor. > >> > I remember xen against doing so before. >> >> And I don't recall anything having changed in that regard. > > Jan, you Acked the patch in question: https://lkml.org/lkml/2012/2/24/129 But that isn't a Xen patch. Xen isn't (and shouldn't be) exposing mwait. Jan -- 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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