linux-kernel - Re: [PATCH v4 12/24] xen/arm: introduce CONFIG

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Date:	Mon, 17 Sep 2012 16:07:37 +0400
From:	Sergei Shtylyov <sshtylyov@...sta.com>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
CC:	"arnd@...db.de" <arnd@...db.de>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"linaro-dev@...ts.linaro.org" <linaro-dev@...ts.linaro.org>,
	Ian Campbell <Ian.Campbell@...rix.com>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>,
	"catalin.marinas@....com" <catalin.marinas@....com>,
	"Tim (Xen.org)" <tim@....org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4 12/24] xen/arm: introduce CONFIG_XEN on ARM

Hello.

On 17-09-2012 14:57, Stefano Stabellini wrote:

>>> Changes in v2:

>>> - mark Xen guest support on ARM as EXPERIMENTAL.

>>> Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
>>> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
>>> ---
>>>   arch/arm/Kconfig |   10 ++++++++++
>>>   1 files changed, 10 insertions(+), 0 deletions(-)

>>> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
>>> index 2f88d8d..e92518d 100644
>>> --- a/arch/arm/Kconfig
>>> +++ b/arch/arm/Kconfig
>>> @@ -1897,6 +1897,16 @@ config DEPRECATED_PARAM_STRUCT
>>>   	  This was deprecated in 2001 and announced to live on for 5 years.
>>>   	  Some old boot loaders still use this way.
>>>
>>> +config XEN_DOM0
>>> +	def_bool y
>>> +
>>> +config XEN
>>> +	bool "Xen guest support on ARM (EXPERIMENTAL)"
>>> +	depends on EXPERIMENTAL && ARM && OF
>>> +	select XEN_DOM0

>>     What's the point of selecting it if it's always "y"?

> That's because on X86 is not always "y": there are things under
> drivers/xen that compile on both platforms and depend on XEN_DOM0.

    But we're not on x86. On ARM this select is pointless.

WBR, Sergei

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