linux-kernel - Re: [PATCH v2 07/13] asm-generic: Define 'func_desc_t' to commonly describe function descriptors

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Date:   Thu, 14 Oct 2021 08:52:37 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Helge Deller <deller@....de>, Arnd Bergmann <arnd@...db.de>,
        Kees Cook <keescook@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        linux-ia64@...r.kernel.org,
        Parisc List <linux-parisc@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>
Subject: Re: [PATCH v2 07/13] asm-generic: Define 'func_desc_t' to commonly
 describe function descriptors

On Thu, Oct 14, 2021 at 7:49 AM Christophe Leroy
<christophe.leroy@...roup.eu> wrote:
>
> We have three architectures using function descriptors, each with its
> own name.
>
> Add a common typedef that can be used in generic code.
>
> Also add a stub typedef for architecture without function descriptors,
> to avoid a forest of #ifdefs.
>
> It replaces the similar func_desc_t previously defined in
> arch/powerpc/kernel/module_64.c
>
> Reviewed-by: Kees Cook <keescook@...omium.org>
> Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>

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