linux-kernel - Re: [PATCH v8 08/11] cryptouser.h: fix include from userland

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Date:   Wed, 1 Mar 2017 12:52:41 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Nicolas Dichtel <nicolas.dichtel@...nd.com>
Cc:     arnd@...db.de, mmarek@...e.com, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        airlied@...ux.ie, davem@...emloft.net, linux@...linux.org.uk,
        bp@...en8.de, slash.tmp@...e.fr, daniel.vetter@...ll.ch,
        rmk+kernel@...linux.org.uk, msalter@...hat.com, jengelh@...i.de,
        hch@...radead.org, tklauser@...tanz.ch, mpe@...erman.id.au,
        mingo@...nel.org, tglx@...utronix.de, ldv@...linux.org,
        linux-rdma@...r.kernel.org
Subject: Re: [PATCH v8 08/11] cryptouser.h: fix include from userland

On Tue, Feb 28, 2017 at 09:47:34PM +0100, Nicolas Dichtel wrote:
> This patch prepares the uapi export by fixing the following error:
> 
> .../linux/cryptouser.h:58:16: error: ‘CRYPTO_MAX_ALG_NAME’ undeclared here (not in a function)
>   char cru_name[CRYPTO_MAX_ALG_NAME];
> 
> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
> ---
>  include/linux/crypto.h          | 2 +-
>  include/uapi/linux/cryptouser.h | 7 +++++++
>  2 files changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/include/linux/crypto.h b/include/linux/crypto.h
> index c0b0cf3d2d2f..4cf29a35bb4b 100644
> --- a/include/linux/crypto.h
> +++ b/include/linux/crypto.h
> @@ -24,6 +24,7 @@
>  #include <linux/slab.h>
>  #include <linux/string.h>
>  #include <linux/uaccess.h>
> +#include <uapi/linux/cryptouser.h>

Nack.  cryptouser is just one interface in the crypto API.  It
should not be included by every single crypto user in the kernel.

You could perhaps introduce a new file under uapi just for this.

Cheers,
-- 
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