linux-kernel - Re: [PATCH 4/7] acpi: use indirect call to register gsi in different modes

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Message-ID: <alpine.DEB.2.00.1010071139590.2440@kaball-desktop>
Date:	Thu, 7 Oct 2010 11:41:29 +0100
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	"H. Peter Anvin" <hpa@...or.com>,
	Stefano Stabellini <Stefano.Stabellini@...citrix.com>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"jeremy@...p.org" <jeremy@...p.org>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>
Subject: Re: [PATCH 4/7] acpi: use indirect call to register gsi in different
 modes

On Wed, 6 Oct 2010, Thomas Gleixner wrote:
> 
> 
> On Wed, 6 Oct 2010, H. Peter Anvin wrote:
> 
> > On 10/06/2010 10:00 AM, Stefano Stabellini wrote:
> > > Peter,
> > > I sent this patch a while back as part of the "PV on HVM: receive
> > > interrupts as xen events" series (that it is based upon Konrad's
> > > pcifront series, he sent another version to the list yesterday).
> > > 
> > > Do you think that this is a reasonble approach?
> > > 
> > > If you want to give a look at the whole series you can find it here:
> > > 
> > > http://lkml.org/lkml/2010/8/30/170
> > > 
> > > everything else is Xen specific stuff.
> > > 
> > > Thanks in advance,
> > > 
> > 
> > On the surface it seems reasonable.
> > 
> > Thomas Gleixner has been working on greatly revamping a bunch of the x86
> > interrupt code, and this might interact with his stuff, so it would be
> > good if he could comment on it.
> > 
> > [tglx: what they're apparently working on is to redirect APIC interrupts
> > to Xen event channels so they don't have to interact with the simulated
> > memory-mapped APIC.  It's "paravirtualization light".]
> 
> I'm not touching acpi code. So that should be ok.
 
In that case would be OK for me to add an acked-by H. Peter Anvin to
this patch?

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