Re: [PATCH 3/3] crypto: x86 - Remove CONFIG_AS_AVX512

[Eric Biggers <ebiggers@kernel.org>]

On Fri, Apr 04, 2025 at 09:13:40AM +0800, kernel test robot wrote:
> Hi Uros,
> 
> kernel test robot noticed the following build warnings:
> 
> [auto build test WARNING on herbert-cryptodev-2.6/master]
> [also build test WARNING on herbert-crypto-2.6/master tip/x86/core linus/master v6.14]
> [cannot apply to next-20250403]
> [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/Uros-Bizjak/crypto-x86-Remove-CONFIG_AS_SHA256_NI/20250403-174814
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
> patch link:    https://lore.kernel.org/r/20250403094527.349526-3-ubizjak%40gmail.com
> patch subject: [PATCH 3/3] crypto: x86 - Remove CONFIG_AS_AVX512
> config: i386-buildonly-randconfig-001-20250404 (https://download.01.org/0day-ci/archive/20250404/202504040855.mr885Pz1-lkp@intel.com/config)
> compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250404/202504040855.mr885Pz1-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202504040855.mr885Pz1-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):
> 
> >> lib/raid6/recov_avx512.c:382:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp]
>      382 | #warning "your version of binutils lacks AVX512 support"
>          |  ^~~~~~~
> 
> 
> vim +382 lib/raid6/recov_avx512.c
> 
> 13c520b2993c9fa Gayatri Kammela 2016-08-12  380  
> 13c520b2993c9fa Gayatri Kammela 2016-08-12  381  #else
> 13c520b2993c9fa Gayatri Kammela 2016-08-12 @382  #warning "your version of binutils lacks AVX512 support"

Yeah, CONFIG_AS_AVX512 needs to be removed from lib/raid6/ too.  It looked like
that directory was rolling its own CONFIG_AS_AVX512 in lib/raid6/test/Makefile,
but that's a makefile for a test program and not the actual kernel makefile.

- Eric