Hi Adit, [auto build test WARNING on rdma/master] [also build test WARNING on v4.7] [cannot apply to next-20160805] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Adit-Ranadive/Add-Paravirtual-RDMA-Driver/20160804-075202 base: https://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma.git master config: i386-allyesconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers/infiniband/hw/pvrdma/pvrdma_cmd.c: In function 'pvrdma_cmd_post': >> drivers/infiniband/hw/pvrdma/pvrdma_cmd.c:76:149: warning: comparison of distinct pointer types lacks a cast memcpy(dev->cmd_slot, req, min(PAGE_SIZE, sizeof(*req))); ^ vim +76 drivers/infiniband/hw/pvrdma/pvrdma_cmd.c 6bad4475 Adit Ranadive 2016-08-03 60 6bad4475 Adit Ranadive 2016-08-03 61 return 0; 6bad4475 Adit Ranadive 2016-08-03 62 } 6bad4475 Adit Ranadive 2016-08-03 63 6bad4475 Adit Ranadive 2016-08-03 64 int 6bad4475 Adit Ranadive 2016-08-03 65 pvrdma_cmd_post(struct pvrdma_dev *dev, union pvrdma_cmd_req *req, 6bad4475 Adit Ranadive 2016-08-03 66 union pvrdma_cmd_resp *resp) 6bad4475 Adit Ranadive 2016-08-03 67 { 6bad4475 Adit Ranadive 2016-08-03 68 int err; 6bad4475 Adit Ranadive 2016-08-03 69 6bad4475 Adit Ranadive 2016-08-03 70 dev_dbg(&dev->pdev->dev, "post request to device\n"); 6bad4475 Adit Ranadive 2016-08-03 71 6bad4475 Adit Ranadive 2016-08-03 72 /* Serializiation */ 6bad4475 Adit Ranadive 2016-08-03 73 down(&dev->cmd_sema); 6bad4475 Adit Ranadive 2016-08-03 74 6bad4475 Adit Ranadive 2016-08-03 75 spin_lock(&dev->cmd_lock); 6bad4475 Adit Ranadive 2016-08-03 @76 memcpy(dev->cmd_slot, req, min(PAGE_SIZE, sizeof(*req))); 6bad4475 Adit Ranadive 2016-08-03 77 spin_unlock(&dev->cmd_lock); 6bad4475 Adit Ranadive 2016-08-03 78 6bad4475 Adit Ranadive 2016-08-03 79 init_completion(&dev->cmd_done); 6bad4475 Adit Ranadive 2016-08-03 80 pvrdma_write_reg(dev, PVRDMA_REG_REQUEST, 0); 6bad4475 Adit Ranadive 2016-08-03 81 6bad4475 Adit Ranadive 2016-08-03 82 /* Make sure the request is written before reading status. */ 6bad4475 Adit Ranadive 2016-08-03 83 mb(); 6bad4475 Adit Ranadive 2016-08-03 84 err = pvrdma_read_reg(dev, PVRDMA_REG_ERR); :::::: The code at line 76 was first introduced by commit :::::: 6bad4475e9e3d236cf6e4b349a8e66fa9eb610f3 IB/pvrdma: Add device command support :::::: TO: Adit Ranadive <aditr@xxxxxxxxxx> :::::: CC: 0day robot <fengguang.wu@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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