linux-kernel - Re: [PATCH] crypto: aesni-intel: fix crypto_fpu

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Message-ID: <20150615101922.GB32751@gondor.apana.org.au>
Date:	Mon, 15 Jun 2015 18:19:22 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Jeremiah Mahler <jmmahler@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: aesni-intel: fix crypto_fpu_exit() section
 mismatch

On Fri, Jun 12, 2015 at 09:56:40PM -0700, Jeremiah Mahler wrote:
> The '__init aesni_init()' function calls the '__exit crypto_fpu_exit()'
> function directly.  Since they are in different sections, this generates
> a warning.
> 
>   make CONFIG_DEBUG_SECTION_MISMATCH=y
>   ...
>   WARNING: arch/x86/crypto/aesni-intel.o(.init.text+0x12b): Section
>   mismatch in reference from the function init_module() to the function
>   .exit.text:crypto_fpu_exit()
>   The function __init init_module() references
>   a function __exit crypto_fpu_exit().
>   This is often seen when error handling in the init function
>   uses functionality in the exit path.
>   The fix is often to remove the __exit annotation of
>   crypto_fpu_exit() so it may be used outside an exit section.
> 
> Fix the warning by removing the __exit annotation.
> 
> Signed-off-by: Jeremiah Mahler <jmmahler@...il.com>

Applied.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
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