linux-kernel - Re: [PATCH] arch/x86/xen: remove depends on CONFIG

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Message-ID: <CAGXu5jKkaTStWRDQLOb6HxM7sGyj+1ekxxkGK8hw6rWkHRrVsQ@mail.gmail.com>
Date:	Sat, 23 Feb 2013 09:03:20 -0800
From:	Kees Cook <keescook@...omium.org>
To:	Dongsheng Song <dongsheng.song@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"x86@...nel.org" <x86@...nel.org>, xen-devel@...ts.xensource.com,
	virtualization@...ts.linux-foundation.org,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	Mukesh Rathor <mukesh.rathor@...cle.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] arch/x86/xen: remove depends on CONFIG_EXPERIMENTAL

On Sat, Feb 23, 2013 at 3:59 AM, Dongsheng Song
<dongsheng.song@...il.com> wrote:
> On Sat, Feb 23, 2013 at 3:29 PM, Kees Cook <keescook@...omium.org> wrote:
>>
>> The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
>> while now and is almost always enabled by default. As agreed during the
>> Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
>>
>> Signed-off-by: Kees Cook <keescook@...omium.org>
>> Cc: Stefano Stabellini <stefano.stabellini@...citrix.com>
>> Cc: Mukesh Rathor <mukesh.rathor@...cle.com>
>> Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
>> ---
>>  arch/x86/xen/Kconfig |    2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
>> index 93ff4e1..8cada4c 100644
>> --- a/arch/x86/xen/Kconfig
>> +++ b/arch/x86/xen/Kconfig
>> @@ -53,7 +53,7 @@ config XEN_DEBUG_FS
>>
>>  config XEN_X86_PVH
>>         bool "Support for running as a PVH guest (EXPERIMENTAL)"
>
> Why not remove this 'EXPERIMENTAL' too ?

It was unclear to me if the feature was actually considered unstable.
I can resend with the text removed from the title too, if that's the
correct action here?

-Kees

>
>> -       depends on X86_64 && XEN && EXPERIMENTAL
>> +       depends on X86_64 && XEN
>>         default n
>>         help
>>            This option enables support for running as a PVH guest (PV guest
>> --
>> 1.7.9.5
>>
>>
>> --
>> Kees Cook
>> Chrome OS Security
>> --
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-- 
Kees Cook
Chrome OS Security
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