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Date: Wed, 20 May 2015 12:00:13 +0200 From: Paul Bolle <pebolle@...cali.nl> To: Josh Triplett <josh@...htriplett.org> Cc: 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>, Randy Dunlap <rdunlap@...radead.org>, Michal Marek <mmarek@...e.cz>, linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 4/5] kconfig: Introduce "showif" to factor out conditions on visibility Hi Josh, On Thu, 2015-05-14 at 08:36 -0700, Josh Triplett wrote: > kconfig implicitly creates a submenu whenever a series of symbols all > have dependencies or prompt-visibility expressions that all depend on a > preceeding symbol. For instance, the series of symbols following > "menuconfig EXPERT" that all have "if EXPERT" on their prompt will all > appear as a submenu of EXPERT. > > However, this implicit submenuing will break if any intervening symbol > loses its "if EXPERT"; doing so causes the subsequent symbols to appear > in the parent menu ("General setup"). This has happened many times, and > it's easy to miss that the entire block should have that same > expression. > > For submenus created from "depends" dependencies, these can be converted > to a single wrapping "if expr ... endif" block around all the submenu > items. However, there's no equivalent for invisible items, for which > the prompt is hidden but the symbol may potentially be enabled. For > instance, many items in the EXPERT menu are hidden if EXPERT is > disabled, but they have "default y" or are determined by some other > expression. No one has reacted so far. So my plan to have the other people on linux-kbuild do the work here is not going as I'd hoped. Bother... I seem to remember that you had a list of three dozen menuconfig instances that ran into the same issue as EXPERT's menuconfig. Do you still have that list at hand? Thanks, Paul Bolle -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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