[kbuild-all] Re: [linux-next:master 4238/6654] include/linux/dmaengine.h:1576: undefined reference to `dma_request_chan'

On 11/09/2020 13.00, Andy Shevchenko wrote: > On Fri, Sep 11, 2020 at 9:49 AM Peter Ujfalusi <peter.ujfalusi(a)ti.com&gt; wrote: >> On 10/09/2020 14.18, Peter Ujfalusi wrote: >>> On 10/09/2020 13.46, kernel test robot wrote: >>>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master >>>> head: 7ce53e3a447bced7b85ed181c4d027e93c062e07 >>>> commit: 7547dbd3b198f309aaff54e3528898a8a196faff [4238/6654] dmaengine: Mark dma_request_slave_channel() deprecated >>>> config: arm64-randconfig-r025-20200909 (attached as .config) >>>> compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 0a5dc7effb191eff740e0e7ae7bd8e1f6bdb3ad9) > > ^^^ > >>>> 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 arm64 cross compiling tool for clang build >>>> # apt-get install binutils-aarch64-linux-gnu >>>> git checkout 7547dbd3b198f309aaff54e3528898a8a196faff >>>> # save the attached .config to linux build tree >>>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 >>> >>> I'm not sure what is wrong, but can not reproduce it with GCC. >> >> I have tried with clang/llvm (10.0.1) without luck to reproduce. > > ^^^ > > 12.0.0 != 10.0.1 Yes, I have noticed that. 11.0.0 is at rc2, 12.0.0 is only in master w/o tag. I _could_ install sys-devel/clang-12.0.0.9999 locally, after all it would go to different slot, but I would rather not.