Hello,

On Sun, Aug 15, 2021 at 04:49:25AM +0800, kernel test robot wrote:

Hi Ming,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/irq/core]
[also build test ERROR on next-20210813]
[cannot apply to block/for-next linux/master linus/master v5.14-rc5]
[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]

url:    https://github.com/0day-ci/linux/commits/Ming-Lei/genirq-affinity-abstract-new-API-from-managed-irq-affinity-spread/20210814-203741
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 04c2721d3530f0723b4c922a8fa9f26b202a20de
config: riscv-buildonly-randconfig-r005-20210814 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 1f7b25ea76a925aca690da28de9d78db7ca99d0c)
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
        # https://github.com/0day-ci/linux/commit/46b1d0ed609db266f6f18e7156c4f294bf6c4502
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Ming-Lei/genirq-affinity-abstract-new-API-from-managed-irq-affinity-spread/20210814-203741
        git checkout 46b1d0ed609db266f6f18e7156c4f294bf6c4502
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All error/warnings (new ones prefixed by >>):

   In file included from block/blk-mq-cpumap.c:13:

quoted

quoted

include/linux/group_cpus.h:17:26: error: implicit declaration of function 'kcalloc' [-Werror,-Wimplicit-function-declaration]

           struct cpumask *masks = kcalloc(numgrps, sizeof(*masks), GFP_KERNEL);
                                   ^
   include/linux/group_cpus.h:17:26: note: did you mean 'kvcalloc'?
   include/linux/mm.h:827:21: note: 'kvcalloc' declared here
   static inline void *kvcalloc(size_t n, size_t size, gfp_t flags)
                       ^
   In file included from block/blk-mq-cpumap.c:13:

quoted

quoted

include/linux/group_cpus.h:17:18: warning: incompatible integer to pointer conversion initializing 'struct cpumask *' with an expression of type 'int' [-Wint-conversion]

           struct cpumask *masks = kcalloc(numgrps, sizeof(*masks), GFP_KERNEL);
                           ^       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Will fix it in next version, and it can be done by include <linux/slab.h> into
include/linux/group_cpus.h.


Thanks,
Ming