tree: https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git rdma-next head: 05f9b877d9328976740745c6f5451a83685920d6 commit: 8a9792233781a714da6cecba33b693bcabfc4b31 [41/42] RDMA: Fix kernel-doc compilation warnings config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git/commi... git remote add leon-rdma https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git git fetch --no-tags leon-rdma rdma-next git checkout 8a9792233781a714da6cecba33b693bcabfc4b31 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): vim +1865 drivers/infiniband/hw/hfi1/init.c 7724105686e718 drivers/staging/rdma/hfi1/init.c Mike Marciniszyn 2015-07-30 1853 7724105686e718 drivers/staging/rdma/hfi1/init.c Mike Marciniszyn 2015-07-30 1854 /** 8a9792233781a7 drivers/infiniband/hw/hfi1/init.c Leon Romanovsky 2021-03-11 1855 * ahfi1_setup_eagerbufs - llocate eager buffers, both kernel and user 8a9792233781a7 drivers/infiniband/hw/hfi1/init.c Leon Romanovsky 2021-03-11 1856 * contexts. 7724105686e718 drivers/staging/rdma/hfi1/init.c Mike Marciniszyn 2015-07-30 1857 * @rcd: the context we are setting up. 7724105686e718 drivers/staging/rdma/hfi1/init.c Mike Marciniszyn 2015-07-30 1858 * 7724105686e718 drivers/staging/rdma/hfi1/init.c Mike Marciniszyn 2015-07-30 1859 * Allocate the eager TID buffers and program them into hip. 7724105686e718 drivers/staging/rdma/hfi1/init.c Mike Marciniszyn 2015-07-30 1860 * They are no longer completely contiguous, we do multiple allocation 7724105686e718 drivers/staging/rdma/hfi1/init.c Mike Marciniszyn 2015-07-30 1861 * calls. Otherwise we get the OOM code involved, by asking for too 7724105686e718 drivers/staging/rdma/hfi1/init.c Mike Marciniszyn 2015-07-30 1862 * much per call, with disastrous results on some kernels. 7724105686e718 drivers/staging/rdma/hfi1/init.c Mike Marciniszyn 2015-07-30 1863 */ 7724105686e718 drivers/staging/rdma/hfi1/init.c Mike Marciniszyn 2015-07-30 1864 int hfi1_setup_eagerbufs(struct hfi1_ctxtdata *rcd) 7724105686e718 drivers/staging/rdma/hfi1/init.c Mike Marciniszyn 2015-07-30 @1865 { :::::: The code at line 1865 was first introduced by commit :::::: 7724105686e718ac476a6ad3304fea2fbcfcffde IB/hfi1: add driver files :::::: TO: Mike Marciniszyn <mike.marciniszyn(a)intel.com&gt; :::::: CC: Doug Ledford <dledford(a)redhat.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org