linux-kernel - Re: [PATCH RFC 1/6] [HACK!] arm64/xen: create links to arch/arm include files and Xen code

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Message-ID: <20130531103617.GA18045@localhost.cambridge.arm.com>
Date:	Fri, 31 May 2013 11:36:17 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	Will Deacon <Will.Deacon@....com>,
	"Ian.Campbell@...rix.com" <Ian.Campbell@...rix.com>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>
Subject: Re: [PATCH RFC 1/6] [HACK!] arm64/xen: create links to arch/arm
 include files and Xen code

On Thu, May 30, 2013 at 05:18:28PM +0100, Stefano Stabellini wrote:
> Most of Xen support for ARM is common between ARMv7 and ARMv8.
> Create links to the code under arch/arm (bleah).
> 
> Other, probably better alternatives:
> 
> - move the code to a different location, maybe the header files to
> include/xen/arm and the code to drivers/xen/arm (still pretty ugly)?
> 
> - create a copy of the code to arch/arm64 (even worse);

KVM handles this in the Makefile by referencing back to arch/arm or even
the generic kvm directory. I think that's the 'cleanest' ;)

-- 
Catalin
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