linux-kernel - Re: [PATCH] [v2] ipsec: select crypto ciphers for xfrm

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Date:   Wed, 19 Jun 2019 14:40:27 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Steffen Klassert <steffen.klassert@...unet.com>,
        "David S. Miller" <davem@...emloft.net>,
        Florian Westphal <fw@...len.de>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [v2] ipsec: select crypto ciphers for xfrm_algo

On Tue, Jun 18, 2019 at 01:22:13PM +0200, Arnd Bergmann wrote:
> kernelci.org reports failed builds on arc because of what looks
> like an old missed 'select' statement:
> 
> net/xfrm/xfrm_algo.o: In function `xfrm_probe_algs':
> xfrm_algo.c:(.text+0x1e8): undefined reference to `crypto_has_ahash'
> 
> I don't see this in randconfig builds on other architectures, but
> it's fairly clear we want to select the hash code for it, like we
> do for all its other users. As Herbert points out, CRYPTO_BLKCIPHER
> is also required even though it has not popped up in build tests.
> 
> Fixes: 17bc19702221 ("ipsec: Use skcipher and ahash when probing algorithms")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  net/xfrm/Kconfig | 2 ++
>  1 file changed, 2 insertions(+)

Acked-by: Herbert Xu <herbert@...dor.apana.org.au>
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt