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

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Message-ID: <20190624082040.GN14601@gauss3.secunet.de>
Date:   Mon, 24 Jun 2019 10:20:40 +0200
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     Arnd Bergmann <arnd@...db.de>
CC:     Herbert Xu <herbert@...dor.apana.org.au>,
        "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>

Applied, thanks a lot!