Hi, [auto build test ERROR on rdma/master] [also build test ERROR on v4.7-rc6 next-20160706] [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/20160706-145514 base: https://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma.git master config: i386-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/infiniband/hw/pvrdma/pvrdma_main.c: In function 'pvrdma_pci_probe': >> drivers/infiniband/hw/pvrdma/pvrdma_main.c:934:9: error: passing argument 3 of 'dma_alloc_coherent' from incompatible pointer type [-Werror=incompatible-pointer-types] &dev->dsr->cmd_slot_dma, ^ In file included from include/linux/skbuff.h:34:0, from include/linux/ip.h:20, from include/linux/inetdevice.h:8, from drivers/infiniband/hw/pvrdma/pvrdma_main.c:47: include/linux/dma-mapping.h:398:21: note: expected 'dma_addr_t * {aka unsigned int *}' but argument is of type '__u64 * {aka long long unsigned int *}' static inline void *dma_alloc_coherent(struct device *dev, size_t size, ^~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/pvrdma/pvrdma_main.c:943:10: error: passing argument 3 of 'dma_alloc_coherent' from incompatible pointer type [-Werror=incompatible-pointer-types] &dev->dsr->resp_slot_dma, ^ In file included from include/linux/skbuff.h:34:0, from include/linux/ip.h:20, from include/linux/inetdevice.h:8, from drivers/infiniband/hw/pvrdma/pvrdma_main.c:47: include/linux/dma-mapping.h:398:21: note: expected 'dma_addr_t * {aka unsigned int *}' but argument is of type '__u64 * {aka long long unsigned int *}' static inline void *dma_alloc_coherent(struct device *dev, size_t size, ^~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/pvrdma/pvrdma_main.c:975:65: warning: right shift count >= width of type [-Wshift-count-overflow] pvrdma_write_reg(dev, PVRDMA_REG_DSRHIGH, (u32)((dev->dsrbase) >> 32)); ^~ cc1: some warnings being treated as errors vim +/dma_alloc_coherent +934 drivers/infiniband/hw/pvrdma/pvrdma_main.c 323b1403 Adit Ranadive 2016-07-05 918 ret = -ENOMEM; 323b1403 Adit Ranadive 2016-07-05 919 goto err_uar_unmap; 323b1403 Adit Ranadive 2016-07-05 920 } 323b1403 Adit Ranadive 2016-07-05 921 323b1403 Adit Ranadive 2016-07-05 922 /* Setup the shared region */ 323b1403 Adit Ranadive 2016-07-05 923 memset(dev->dsr, 0, sizeof(*dev->dsr)); 323b1403 Adit Ranadive 2016-07-05 924 dev->dsr->driver_version = PVRDMA_VERSION; 323b1403 Adit Ranadive 2016-07-05 925 dev->dsr->gos_info.gos_bits = sizeof(void *) == 4 ? 323b1403 Adit Ranadive 2016-07-05 926 PVRDMA_GOS_BITS_32 : 323b1403 Adit Ranadive 2016-07-05 927 PVRDMA_GOS_BITS_64; 323b1403 Adit Ranadive 2016-07-05 928 dev->dsr->gos_info.gos_type = PVRDMA_GOS_TYPE_LINUX; 323b1403 Adit Ranadive 2016-07-05 929 dev->dsr->gos_info.gos_ver = 1; 323b1403 Adit Ranadive 2016-07-05 930 dev->dsr->uar_pfn = dev->driver_uar.pfn; 323b1403 Adit Ranadive 2016-07-05 931 323b1403 Adit Ranadive 2016-07-05 932 /* Command slot. */ 323b1403 Adit Ranadive 2016-07-05 933 dev->cmd_slot = dma_alloc_coherent(&pdev->dev, PAGE_SIZE, 323b1403 Adit Ranadive 2016-07-05 @934 &dev->dsr->cmd_slot_dma, 323b1403 Adit Ranadive 2016-07-05 935 GFP_KERNEL); 323b1403 Adit Ranadive 2016-07-05 936 if (!dev->cmd_slot) { 323b1403 Adit Ranadive 2016-07-05 937 ret = -ENOMEM; 323b1403 Adit Ranadive 2016-07-05 938 goto err_free_dsr; 323b1403 Adit Ranadive 2016-07-05 939 } 323b1403 Adit Ranadive 2016-07-05 940 323b1403 Adit Ranadive 2016-07-05 941 /* Response slot. */ 323b1403 Adit Ranadive 2016-07-05 942 dev->resp_slot = dma_alloc_coherent(&pdev->dev, PAGE_SIZE, :::::: The code at line 934 was first introduced by commit :::::: 323b1403d6da2c33685e69f5c0e84b455f1aea71 IB/pvrdma: Add the main driver module for PVRDMA :::::: 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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