linux-kernel - Re: [PATCH] powerpc/mm: Remove unneeded #ifdef CONFIG_PPC_MEM

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Date:   Wed, 31 Mar 2021 12:09:38 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc/mm: Remove unneeded #ifdef CONFIG_PPC_MEM_KEYS

On Mon, 15 Mar 2021 14:52:51 +0000 (UTC), Christophe Leroy wrote:
> In fault.c, #ifdef CONFIG_PPC_MEM_KEYS is not needed because all
> functions are always defined, and arch_vma_access_permitted()
> always returns true when CONFIG_PPC_MEM_KEYS is not defined so
> access_pkey_error() will return false so bad_access_pkey()
> will never be called.
> 
> Include linux/pkeys.h to get a definition of vma_pkeys() for
> bad_access_pkey().

Applied to powerpc/next.

[1/1] powerpc/mm: Remove unneeded #ifdef CONFIG_PPC_MEM_KEYS
      https://git.kernel.org/powerpc/c/98c26a72751ecb2ed247cdfd6cb2385f37195707

cheers