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Message-ID: <CAKXUXMy=1_AvqwhjEzaov5jj4sCiB5vB67QsXA395-J7N2Vtqg@mail.gmail.com>
Date:   Thu, 22 Sep 2022 11:20:47 +0200
From:   Lukas Bulwahn <lukas.bulwahn@...il.com>
To:     kernel test robot <lkp@...el.com>
Cc:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org, llvm@...ts.linux.dev,
        kbuild-all@...ts.01.org, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: add rsize config to .config only if lib_poly1305
 is set

On Mon, Sep 19, 2022 at 5:10 PM kernel test robot <lkp@...el.com> wrote:
>
> Hi Lukas,
>
> I love your patch! Yet something to improve:

Thanks, kernel test robot ;)

Okay, I see that I need to reiterate on this patch. The crypto caam
driver pulls in a number of headers without a dependency with Kconfig
on the corresponding config symbol here. I will check if I find a good
solution for that.

For now, this patch can be ignored until I find time to send out a patch v2.

Lukas

>
> [auto build test ERROR on herbert-cryptodev-2.6/master]
> [also build test ERROR on herbert-crypto-2.6/master linus/master v6.0-rc6 next-20220919]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
>
> url:    https://github.com/intel-lab-lkp/linux/commits/Lukas-Bulwahn/crypto-add-rsize-config-to-config-only-if-lib_poly1305-is-set/20220919-140531
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
> config: arm-defconfig (https://download.01.org/0day-ci/archive/20220919/202209192252.T6IGLNqC-lkp@intel.com/config)
> compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # install arm cross compiling tool for clang build
>         # apt-get install binutils-arm-linux-gnueabi
>         # https://github.com/intel-lab-lkp/linux/commit/c1954797e493eabf02f354e290fe380ace0633e4
>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>         git fetch --no-tags linux-review Lukas-Bulwahn/crypto-add-rsize-config-to-config-only-if-lib_poly1305-is-set/20220919-140531
>         git checkout c1954797e493eabf02f354e290fe380ace0633e4
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/crypto/caam/
>
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <lkp@...el.com>
>
> All errors (new ones prefixed by >>):
>
>    In file included from drivers/crypto/caam/ctrl.c:15:
>    In file included from drivers/crypto/caam/compat.h:41:
> >> include/crypto/poly1305.h:56:32: error: use of undeclared identifier 'CONFIG_CRYPTO_LIB_POLY1305_RSIZE'
>                    struct poly1305_key opaque_r[CONFIG_CRYPTO_LIB_POLY1305_RSIZE];
>                                                 ^
>    1 error generated.
>
>
> vim +/CONFIG_CRYPTO_LIB_POLY1305_RSIZE +56 include/crypto/poly1305.h
>
> 878afc35cd28bc Eric Biggers       2018-11-16  40
> 2546f811ef45fc Martin Willi       2015-07-16  41  struct poly1305_desc_ctx {
> 2546f811ef45fc Martin Willi       2015-07-16  42        /* partial buffer */
> 2546f811ef45fc Martin Willi       2015-07-16  43        u8 buf[POLY1305_BLOCK_SIZE];
> 2546f811ef45fc Martin Willi       2015-07-16  44        /* bytes used in partial buffer */
> 2546f811ef45fc Martin Willi       2015-07-16  45        unsigned int buflen;
> ad8f5b88383ea6 Ard Biesheuvel     2019-11-08  46        /* how many keys have been set in r[] */
> ad8f5b88383ea6 Ard Biesheuvel     2019-11-08  47        unsigned short rset;
> ad8f5b88383ea6 Ard Biesheuvel     2019-11-08  48        /* whether s[] has been set */
> 2546f811ef45fc Martin Willi       2015-07-16  49        bool sset;
> ad8f5b88383ea6 Ard Biesheuvel     2019-11-08  50        /* finalize key */
> ad8f5b88383ea6 Ard Biesheuvel     2019-11-08  51        u32 s[4];
> ad8f5b88383ea6 Ard Biesheuvel     2019-11-08  52        /* accumulator */
> ad8f5b88383ea6 Ard Biesheuvel     2019-11-08  53        struct poly1305_state h;
> ad8f5b88383ea6 Ard Biesheuvel     2019-11-08  54        /* key */
> 1c08a104360f3e Jason A. Donenfeld 2020-01-05  55        union {
> 1c08a104360f3e Jason A. Donenfeld 2020-01-05 @56                struct poly1305_key opaque_r[CONFIG_CRYPTO_LIB_POLY1305_RSIZE];
> 1c08a104360f3e Jason A. Donenfeld 2020-01-05  57                struct poly1305_core_key core_r;
> 1c08a104360f3e Jason A. Donenfeld 2020-01-05  58        };
> 2546f811ef45fc Martin Willi       2015-07-16  59  };
> 2546f811ef45fc Martin Willi       2015-07-16  60
>
> --
> 0-DAY CI Kernel Test Service
> https://01.org/lkp

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