linux-kernel - Re: [PATCH 155/193] init: remove CONFIG

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Date:	Wed, 24 Oct 2012 10:25:37 -0700
From:	Kees Cook <keescook@...omium.org>
To:	Serge Hallyn <serge.hallyn@...onical.com>
Cc:	linux-kernel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 155/193] init: remove CONFIG_EXPERIMENTAL

On Wed, Oct 24, 2012 at 10:17 AM, Serge Hallyn
<serge.hallyn@...onical.com> wrote:
> Quoting Kees Cook (keescook@...omium.org):
>> On Wed, Oct 24, 2012 at 6:48 AM, Serge Hallyn
>> <serge.hallyn@...onical.com> wrote:
>> > Quoting Kees Cook (keescook@...omium.org):
>> >> This 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.
>> >>
>> >> CC: "Eric W. Biederman" <ebiederm@...ssion.com>
>> >> CC: Serge Hallyn <serge.hallyn@...onical.com>
>> >> CC: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
>> >> CC: Andrew Morton <akpm@...ux-foundation.org>
>> >> CC: Frederic Weisbecker <fweisbec@...il.com>
>> >> Signed-off-by: Kees Cook <keescook@...omium.org>
>> >> ---
>> >>  init/Kconfig |   23 ++++++++++-------------
>> >>  1 file changed, 10 insertions(+), 13 deletions(-)
>> >>
>> >> diff --git a/init/Kconfig b/init/Kconfig
>> >> index 2bf7b83..4b65c1c 100644
>> >> --- a/init/Kconfig
>> >> +++ b/init/Kconfig
>> >> @@ -220,7 +220,7 @@ config SYSVIPC_SYSCTL
>> >>
>> >>  config POSIX_MQUEUE
>> >>       bool "POSIX Message Queues"
>> >> -     depends on NET && EXPERIMENTAL
>> >> +     depends on NET
>> >>       ---help---
>> >>         POSIX variant of message queues is a part of IPC. In POSIX message
>> >>         queues every message has a priority which decides about succession
>> >> @@ -366,7 +366,7 @@ config BSD_PROCESS_ACCT_V3
>> >>         at <http://www.gnu.org/software/acct/>.
>> >>
>> >>  config TASKSTATS
>> >> -     bool "Export task/process statistics through netlink (EXPERIMENTAL)"
>> >> +     bool "Export task/process statistics through netlink"
>> >
>> > In these cases, should we keep the '(EXPERIMENTAL)' text since it is just
>> > a hint to anyone running make menuconfig?  I think removing the 'depends on
>> > EXPERIMENTAL's is fine, but cases we should leave it (or replace it) as
>> > a textual hint, except in cases where we're sure that is no longer the case.
>>
>> I covered this in the 000 intro email (https://lkml.org/lkml/2012/10/23/580):
>
> intro email is an appreciated courtesy, but should not take the place of
> info in the individual patch changelogs, especially as the intro emails
> won't go into git history.
>
>> Some patches remove "(EXPERIMENTAL)" from Kconfig titles when there was
>> no "depends on EXPERIMENTAL". I've removed the cases of these where I
>
> Hm, I was under the impression that taskstats are not quite trusted yet,
> but I could be way out of date with that.

I'm happy to leave the taskstats title alone. Shall I?

-Kees

-- 
Kees Cook
Chrome OS Security
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