linux-kernel - Re: [PATCH v1 04/10] asm-generic: Use HAVE_DEREFERENCE_FUNCTION

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Message-ID: <202110122359.E59B90A@keescook>
Date:   Wed, 13 Oct 2021 00:00:58 -0700
From:   Kees Cook <keescook@...omium.org>
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>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-ia64@...r.kernel.org, linux-parisc@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v1 04/10] asm-generic: Use
 HAVE_DEREFERENCE_FUNCTION_DESCRIPTOR to define associated stubs

On Mon, Oct 11, 2021 at 05:25:31PM +0200, Christophe Leroy wrote:
> Use HAVE_DEREFERENCE_FUNCTION_DESCRIPTOR instead of 'dereference_function_descriptor'
> to know whether arch has function descriptors.
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>

I'd mention the intentionally-empty #if/#else in the commit log, as I,
like Helge, mentally tripped over it in the review. :)

Reviewed-by: Kees Cook <keescook@...omium.org>

-- 
Kees Cook