Hi Adit, [auto build test WARNING on next-20160909] [cannot apply to rdma/master net-next/master net/master v4.8-rc6 v4.8-rc5 v4.8-rc4 v4.8-rc6] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information] url: https://github.com/0day-ci/linux/commits/Adit-Ranadive/Add-Paravirtual-RDMA-Driver/20160912-125631 config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=xtensa All warnings (new ones prefixed by >>): drivers/infiniband/hw/pvrdma/pvrdma_misc.c: In function 'pvrdma_page_dir_init': >> drivers/infiniband/hw/pvrdma/pvrdma_misc.c:74:21: warning: passing argument 3 of 'dma_alloc_coherent' from incompatible pointer type pdir->tables[i] = dma_alloc_coherent(&dev->pdev->dev, PAGE_SIZE, ^ In file included from include/linux/pci-dma-compat.h:7:0, from include/linux/pci.h:2112, from drivers/infiniband/hw/pvrdma/pvrdma.h:53, from drivers/infiniband/hw/pvrdma/pvrdma_misc.c:50: include/linux/dma-mapping.h:450:21: note: expected 'dma_addr_t *' but argument is of type 'u64 *' static inline void *dma_alloc_coherent(struct device *dev, size_t size, ^ vim +/dma_alloc_coherent +74 drivers/infiniband/hw/pvrdma/pvrdma_misc.c 3f4cd1e6 Adit Ranadive 2016-09-11 58 return -EINVAL; 3f4cd1e6 Adit Ranadive 2016-09-11 59 3f4cd1e6 Adit Ranadive 2016-09-11 60 memset(pdir, 0, sizeof(*pdir)); 3f4cd1e6 Adit Ranadive 2016-09-11 61 3f4cd1e6 Adit Ranadive 2016-09-11 62 pdir->dir = dma_alloc_coherent(&dev->pdev->dev, PAGE_SIZE, 3f4cd1e6 Adit Ranadive 2016-09-11 63 &pdir->dir_dma, GFP_KERNEL); 3f4cd1e6 Adit Ranadive 2016-09-11 64 if (!pdir->dir) 3f4cd1e6 Adit Ranadive 2016-09-11 65 goto err; 3f4cd1e6 Adit Ranadive 2016-09-11 66 3f4cd1e6 Adit Ranadive 2016-09-11 67 pdir->ntables = PVRDMA_PAGE_DIR_TABLE(npages - 1) + 1; 3f4cd1e6 Adit Ranadive 2016-09-11 68 pdir->tables = kcalloc(pdir->ntables, sizeof(*pdir->tables), 3f4cd1e6 Adit Ranadive 2016-09-11 69 GFP_KERNEL); 3f4cd1e6 Adit Ranadive 2016-09-11 70 if (!pdir->tables) 3f4cd1e6 Adit Ranadive 2016-09-11 71 goto err; 3f4cd1e6 Adit Ranadive 2016-09-11 72 3f4cd1e6 Adit Ranadive 2016-09-11 73 for (i = 0; i < pdir->ntables; i++) { 3f4cd1e6 Adit Ranadive 2016-09-11 @74 pdir->tables[i] = dma_alloc_coherent(&dev->pdev->dev, PAGE_SIZE, 3f4cd1e6 Adit Ranadive 2016-09-11 75 &pdir->dir[i], GFP_KERNEL); 3f4cd1e6 Adit Ranadive 2016-09-11 76 if (!pdir->tables[i]) 3f4cd1e6 Adit Ranadive 2016-09-11 77 goto err; 3f4cd1e6 Adit Ranadive 2016-09-11 78 } 3f4cd1e6 Adit Ranadive 2016-09-11 79 3f4cd1e6 Adit Ranadive 2016-09-11 80 pdir->npages = npages; 3f4cd1e6 Adit Ranadive 2016-09-11 81 3f4cd1e6 Adit Ranadive 2016-09-11 82 if (alloc_pages) { :::::: The code at line 74 was first introduced by commit :::::: 3f4cd1e6dfbd35bd0392c639ef00eb665bcfb308 IB/pvrdma: Add helper functions :::::: 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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