linux-kernel - Re: [PATCH] init/Kconfig: Fix break in middle of EXPERT menu

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Date:	Mon, 11 May 2015 11:23:57 -0700
From:	Randy Dunlap <rdunlap@...radead.org>
To:	Josh Triplett <josh@...htriplett.org>,
	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Michal Hocko <mhocko@...e.cz>,
	Vladimir Davydov <vdavydov@...allels.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Andy Lutomirski <luto@...capital.net>,
	Bertrand Jacquin <beber@...eeweb.net>,
	"Luis R. Rodriguez" <mcgrof@...e.com>,
	Iulia Manda <iulia.manda21@...il.com>,
	Pranith Kumar <bobby.prani@...il.com>,
	Clark Williams <clark.williams@...il.com>,
	Mel Gorman <mgorman@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] init/Kconfig: Fix break in middle of EXPERT menu

On 05/11/15 11:13, Josh Triplett wrote:
> Commit e1abf2cc8d5 ("bpf: Fix the build on BPF_SYSCALL=y &&
> !CONFIG_TRACING kernels, make it more configurable") made BPF_SYSCALL no
> longer hidden with !EXPERT, but left it in the middle of the EXPERT
> menu.  menuconfig stops putting config items under a submenu once it
> encounters an item that doesn't depend on the menu's config item, so
> this caused the remainder of the EXPERT menu to spill out into the
> containing menu around it.  Fix by moving BPF_SYSCALL before the EXPERT
> menu, next to BPF.
> 
> Fixes: e1abf2cc8d5 ("bpf: Fix the build on BPF_SYSCALL=y && !CONFIG_TRACING kernels, make it more configurable")
> Signed-off-by: Josh Triplett <josh@...htriplett.org>
> ---
> 
> Ingo, do you want to take this through -tip?  Or should this go through some
> other tree?
> 
> I'm also thinking about splitting the entire EXPERT menu into a separate
> Kconfig.expert and including it from init/Kconfig, to make it clear that
> everything in that menu should only be visible if EXPERT.  Right now, the long
> EXPERT menu blends into the longer init/Kconfig, and issues like this happen
> every few kernel releases.

Please do make it more difficult to break this.  I have also fixed this
a few times IIRC.


-- 
~Randy
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