From mboxrd@z Thu Jan  1 00:00:00 1970
From: will.deacon@arm.com (Will Deacon)
Date: Fri, 11 Jan 2013 16:43:30 +0000
Subject: [PATCH 6/6] ARM: virt: hide CONFIG_ARM_VIRT_EXT from user
In-Reply-To: <50F032F0.3070906@codeaurora.org>
References: <1357918457-20469-1-git-send-email-will.deacon@arm.com>
 <1357918457-20469-7-git-send-email-will.deacon@arm.com>
 <50F032F0.3070906@codeaurora.org>
Message-ID: <20130111164330.GA12464@mudshark.cambridge.arm.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Fri, Jan 11, 2013 at 03:42:40PM +0000, Christopher Covington wrote:
> Hi Will,

Hello,

> On 01/11/2013 10:34 AM, Will Deacon wrote:
> > ARM_VIRT_EXT is a property of CPU_V7, but does not adversely affect
> > other CPUs that can be built into the same kernel image (i.e. ARMv6+).
> > 
> > This patch defaults ARM_VIRT_EXT to y if CPU_V7, allowing hypervisors
> > such as KVM to make better use of the option and being able to rely
> > on hyp-mode boot support.
> 
> [...]
> 
> > @@ -640,11 +641,6 @@ config ARM_VIRT_EXT
> >  	  use of this feature.  Refer to Documentation/arm/Booting for
> >  	  details.
> >  
> > -	  It is safe to enable this option even if the kernel may not be
> > -	  booted in HYP mode, may not have support for the
> > -	  virtualization extensions, or may be booted with a
> > -	  non-compliant bootloader.
> 
> Why take this out?

I just removed that last paragraph because it's not user-selectable anymore,
so this comment about enabling the option is redundant. I could remove all
of the help text, but we have it for some other options that are selected
automatically and it has a pointer to some documentation too.

Will