linux-kernel - Re: [PATCH v2] arm: introduce a DTS for Xen unprivileged virtual machines

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Date:	Fri, 21 Sep 2012 18:06:22 +0100
From:	Pawel Moll <pawel.moll@....com>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Ian.Campbell@...rix.com" <Ian.Campbell@...rix.com>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v2] arm: introduce a DTS for Xen unprivileged virtual
 machines

On Thu, 2012-09-20 at 16:47 +0100, Stefano Stabellini wrote:
> Given that the xenvm machine is based on vexpress but with an extremely
> limited selection of peripherals (the guest is supposed to use virtual
> devices instead), add "xen,xenvm" to the list of compatible machines in
> mach-vexpress.
> 
> 
> Changes in v2:
> 
> - remove include skeleton;
> - use #address-cells = <2> and #size-cells = <2>;
> - remove the debug bootargs;
> - use memory@...00000 instead of memory;
> - remove the ranges and interrupt-map from the motherboard node;
> - set the machine compatible to "xen,xenvm-4.2", "xen,xenvm";
> - rename the dts file to xenvm-4.2.dts;
> - add "xen,xenvm" to the list of compatible DT strings to mach-vexpress.
> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
> CC: Pawel Moll <pawel.moll@....com>
> CC: Arnd Bergmann <arnd@...db.de>
> ---
>  arch/arm/boot/dts/xenvm-4.2.dts      |   64 ++++++++++++++++++++++++++++++++++
>  arch/arm/mach-vexpress/Makefile.boot |    3 +-
>  arch/arm/mach-vexpress/v2m.c         |    1 +
>  3 files changed, 67 insertions(+), 1 deletions(-)
>  create mode 100644 arch/arm/boot/dts/xenvm-4.2.dts

I'm still not 100% convinced that the DTS is really necessary there, but
as to the v2m.c change:

Acked-by: Pawel Moll <pawel.moll@....com>

Cheers!

Pawel


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