linux-kernel - Re: [PATCH] security/keys: add CONFIG_KEYS

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Message-ID: <CAK8P3a23EuqPiHW44d2WFrpCHZ-+B+kqOoZQQAxMKBqGCuubOw@mail.gmail.com>
Date:   Fri, 10 Feb 2017 09:15:41 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Bilal Amarni <bilal.amarni@...il.com>
Cc:     David Howells <dhowells@...hat.com>, james.l.morris@...cle.com,
        serge@...lyn.com, keyrings@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH] security/keys: add CONFIG_KEYS_COMPAT to Kconfig

On Thu, Feb 9, 2017 at 10:11 PM, Bilal Amarni <bilal.amarni@...il.com> wrote:
> CONFIG_KEYS_COMPAT is defined in arch-specific Kconfigs and is missing for
> several 64-bit architectures : arm64, mips, parisc, tile.
>
> At the moment and for those architectures, calling in 32-bit userspace the
> keyctl syscall would return an ENOSYS error.
>
> This patch moves the CONFIG_KEYS_COMPAT option to security/keys/Kconfig, to
> make sure the compatibility wrapper is registered by default for any 64-bit
> architecture as long as it is configured with CONFIG_COMPAT.
>
> Signed-off-by: Bilal Amarni <bilal.amarni@...il.com>

Reviewed-by: Arnd Bergmann <arnd@...db.de>