linux-kernel - Re: + stupid-hack-to-make-mainline-build.patch added to -mm tree

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Message-ID: <20070308191712.GA794@elte.hu>
Date:	Thu, 8 Mar 2007 20:17:12 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Chris Wright <chrisw@...s-sol.org>
Cc:	Daniel Arai <arai@...are.com>, tglx@...utronix.de,
	Virtualization Mailing List <virtualization@...ts.osdl.org>,
	john stultz <johnstul@...ibm.com>, akpm@...ux-foundation.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: + stupid-hack-to-make-mainline-build.patch added to -mm tree


* Chris Wright <chrisw@...s-sol.org> wrote:

> > Chris, would you like to work together on this?  I don't know what 
> > Xen's requirements are for the APIC interface.  Do you think we 
> > could come up with something that would fit both of our needs, and 
> > maybe also be usable for some of the subarch-specific code?
> 
> Sure, we just have a pretty small genapic_xen, and then enough 
> (hackery, this should be sorted out) to use that genapic and have an 
> effective override for __send_IPI_shortcut.

genapic is still too lowlevel: as Thomas mentioned what we want is a 
virtual interrupt controller used by /all/ hypervisors (and mapped to 
their respective hypervisor ABIs via the backend).

	Ingo
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