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Message-ID: <CAK8P3a3SVhW1ByQOtxw7JG8i3wWU5opdycfSCTbW=GCFvBJmQg@mail.gmail.com>
Date: Tue, 17 Apr 2018 21:56:02 +0200
From: Arnd Bergmann <arnd@...db.de>
To: Mark Rutland <mark.rutland@....com>
Cc: Linux ARM <linux-arm-kernel@...ts.infradead.org>,
Catalin Marinas <catalin.marinas@....com>, cdall@...nel.org, drjones@...hat.com,
kvmarm@...ts.cs.columbia.edu, linux-arch <linux-arch@...r.kernel.org>,
Marc Zyngier <marc.zyngier@....com>, Ramana Radhakrishnan <ramana.radhakrishnan@....com>,
Suzuki K Poulose <suzuki.poulose@....com>, Will Deacon <will.deacon@....com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Adam Wallis <awallis@...eaurora.org>,
Kernel Hardening <kernel-hardening@...ts.openwall.com>
Subject: Re: [PATCHv3 06/11] asm-generic: mm_hooks: allow hooks to be
overridden individually
On Tue, Apr 17, 2018 at 8:37 PM, Mark Rutland <mark.rutland@....com> wrote:
> Currently, an architecture must either implement all of the mm hooks
> itself, or use all of those provided by the asm-generic implementation.
> When an architecture only needs to override a single hook, it must copy
> the stub implementations from the asm-generic version.
>
> To avoid this repetition, allow each hook to be overridden indiviually,
> by placing each under an #ifndef block. As architectures providing their
> own hooks can't include this file today, this shouldn't adversely affect
> any existing hooks.
>
> Signed-off-by: Mark Rutland <mark.rutland@....com>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: linux-arch@...r.kernel.org
Acked-by: Arnd Bergmann <arnd@...db.de>
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