CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: "Jason, Gunthorpe," <j...@mellanox.com> CC: Leon Romanovsky <leo...@mellanox.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: bdc48fa11e46f867ea4d75fa59ee87a7f48be144 commit: c206f8bad15d30f1e35821c21a2fb146e4668ebf RDMA/cm: Make it clearer how concurrency works in cm_req_handler() date: 3 months ago :::::: branch date: 3 hours ago :::::: commit date: 3 months ago config: arc-randconfig-c021-20200531 (attached as .config) compiler: arc-elf-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <l...@intel.com> Reported-by: Julia Lawall <julia.law...@lip6.fr> coccinelle warnings: (new ones prefixed by >>) >> drivers/infiniband/core/cm.c:882:19-29: ERROR: function cm_finalize_id >> called on line 2136 inside lock on line 2135 but uses GFP_KERNEL # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c206f8bad15d30f1e35821c21a2fb146e4668ebf git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git remote update linus git checkout c206f8bad15d30f1e35821c21a2fb146e4668ebf vim +882 drivers/infiniband/core/cm.c 98f67156a80f37 Jason Gunthorpe 2020-03-10 874 98f67156a80f37 Jason Gunthorpe 2020-03-10 875 /* 98f67156a80f37 Jason Gunthorpe 2020-03-10 876 * Make the ID visible to the MAD handlers and other threads that use the 98f67156a80f37 Jason Gunthorpe 2020-03-10 877 * xarray. 98f67156a80f37 Jason Gunthorpe 2020-03-10 878 */ 98f67156a80f37 Jason Gunthorpe 2020-03-10 879 static void cm_finalize_id(struct cm_id_private *cm_id_priv) 98f67156a80f37 Jason Gunthorpe 2020-03-10 880 { 98f67156a80f37 Jason Gunthorpe 2020-03-10 881 xa_store_irq(&cm.local_id_table, cm_local_id(cm_id_priv->id.local_id), 98f67156a80f37 Jason Gunthorpe 2020-03-10 @882 cm_id_priv, GFP_KERNEL); 98f67156a80f37 Jason Gunthorpe 2020-03-10 883 } 98f67156a80f37 Jason Gunthorpe 2020-03-10 884 :::::: The code at line 882 was first introduced by commit :::::: 98f67156a80f37db70ec64787020b1f9bc8aea8c RDMA/cm: Simplify establishing a listen cm_id :::::: TO: Jason Gunthorpe <j...@mellanox.com> :::::: CC: Jason Gunthorpe <j...@mellanox.com> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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