linux-kernel - Re: [PATCH] arm64: kfence: fix header inclusion

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Message-ID: <20210125184621.GA32727@gaia>
Date:   Mon, 25 Jan 2021 18:46:21 +0000
From:   Catalin Marinas <catalin.marinas@....com>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Alexander Potapenko <glider@...gle.com>,
        Marco Elver <elver@...gle.com>, Will Deacon <will@...nel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Mike Rapoport <rppt@...nel.org>,
        David Hildenbrand <david@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Jann Horn <jannh@...gle.com>, Arnd Bergmann <arnd@...db.de>,
        kasan-dev@...glegroups.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: kfence: fix header inclusion

On Mon, Jan 25, 2021 at 01:50:20PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> Randconfig builds started warning about a missing function declaration
> after set_memory_valid() is moved to a new file:
> 
> In file included from mm/kfence/core.c:26:
> arch/arm64/include/asm/kfence.h:17:2: error: implicit declaration of function 'set_memory_valid' [-Werror,-Wimplicit-function-declaration]
> 
> Include the correct header again.
> 
> Fixes: 9e18ec3cfabd ("set_memory: allow querying whether set_direct_map_*() is actually enabled")
> Fixes: 204555ff8bd6 ("arm64, kfence: enable KFENCE for ARM64")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Catalin Marinas <catalin.marinas@....com>

(it should go via the mm tree with the other kfence patches)