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Date: Tue, 17 Apr 2018 21:56:02 +0200
From: Arnd Bergmann <>
To: Mark Rutland <>
Cc: Linux ARM <>, 
	Catalin Marinas <>,,,, linux-arch <>, 
	Marc Zyngier <>, Ramana Radhakrishnan <>, 
	Suzuki K Poulose <>, Will Deacon <>, 
	Linux Kernel Mailing List <>, Adam Wallis <>, 
	Kernel Hardening <>
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 <> 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 <>
> Cc: Arnd Bergmann <>
> Cc:

Acked-by: Arnd Bergmann <>

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