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Date:   Sat, 9 Dec 2017 13:40:17 +0100
From:   Vincent Legoll <>
To:     Andrew Morton <>,
        Ingo Molnar <>,
        Byungchul Park <>,
        Peter Zijlstra <>,
        "Paul E. McKenney" <>,
        Josh Poimboeuf <>,
        Geert Uytterhoeven <>,
        Randy Dunlap <>,
        "Luis R. Rodriguez" <>,
        Nicholas Piggin <>,
        Thomas Gleixner <>,
        Linux Kernel ML <>
Cc:     Vincent Legoll <>
Subject: Re: [PATCH] Make "Memory Debugging" a menuconfig to ease disabling it all

This patch introduces some Kconfig warnings:

warning: (X86) selects HAVE_DEBUG_KMEMLEAK which has unmet direct
dependencies (DEBUG_MEMORY)
warning: (X86) selects HAVE_ARCH_KASAN which has unmet direct
dependencies (DEBUG_MEMORY)
warning: (X86) selects ARCH_HAS_DEBUG_VIRTUAL which has unmet direct
dependencies (DEBUG_MEMORY)
warning: (X86) selects HAVE_DEBUG_STACKOVERFLOW which has unmet direct
dependencies (DEBUG_MEMORY)

What would be the best way to fix that ?

excluding those config options from the "if DEBUG_MEMORY" code
block seems to alleviate the warnings, but is that OK to do ?

Would moving them out of the if/endif block be acceptable ?


Vincent Legoll

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