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

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Date:	Sun, 24 Feb 2013 06:40:17 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Dongsheng Song <dongsheng.song@...il.com>
Cc:	Kees Cook <keescook@...omium.org>,
	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>
Subject: Re: [PATCH] arch/x86/xen: remove depends on CONFIG_EXPERIMENTAL

On Sun, Feb 24, 2013 at 05:51:44PM +0800, Dongsheng Song wrote:
> On Sun, Feb 24, 2013 at 1:03 AM, Kees Cook <keescook@...omium.org> wrote:
> > 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
> >
> 
> If such a feature was considered unstable, it should depends on EXPERIMENTAL.

CONFIG_EXPERIMENTAL is going away.

> We should not surprised users.

You should not have unstable options in the kernel in the first place,
sorry.

greg k-h
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