Date: Wed, 18 Apr 2018 12:38:16 +0100 From: Mark Rutland <mark.rutland@....com> To: Arnd Bergmann <arnd@...db.de> 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 09:56:02PM +0200, Arnd Bergmann wrote: > 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> Cheers! Mark.
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