Messages in this thread | | | Date | Wed, 26 Jul 2023 05:30:13 +0800 | From | kernel test robot <> | Subject | Re: [PATCH v2] cma: check for memory region overlapping |
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Hi Binglei,
kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master] [also build test WARNING on v6.5-rc3 next-20230725] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Binglei-Wang/cma-check-for-memory-region-overlapping/20230725-222426 base: linus/master patch link: https://lore.kernel.org/r/20230725141602.7759-1-l3b2w1%40gmail.com patch subject: [PATCH v2] cma: check for memory region overlapping config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20230726/202307260509.OMkcRpqC-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: (https://download.01.org/0day-ci/archive/20230726/202307260509.OMkcRpqC-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202307260509.OMkcRpqC-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/elf.h:6, from include/linux/module.h:19, from include/linux/device/driver.h:21, from include/linux/device.h:32, from include/linux/dma-mapping.h:8, from include/linux/dma-map-ops.h:9, from kernel/dma/contiguous.c:51: arch/x86/include/asm/elf.h: In function 'rmem_cma_setup': arch/x86/include/asm/elf.h:204:29: error: unterminated argument list invoking macro "pr_info" 204 | (pr_reg)[11] = (regs)->cx; \ | ^ kernel/dma/contiguous.c:414:17: error: 'pr_info' undeclared (first use in this function); did you mean 'pv_info'? 414 | pr_info("Reserved memory: overlap with other memblock reserved region\n", | ^~~~~~~ | pv_info kernel/dma/contiguous.c:414:17: note: each undeclared identifier is reported only once for each function it appears in kernel/dma/contiguous.c:414:24: error: expected ';' at end of input 414 | pr_info("Reserved memory: overlap with other memblock reserved region\n", | ^ | ; ...... kernel/dma/contiguous.c:414:17: error: expected declaration or statement at end of input 414 | pr_info("Reserved memory: overlap with other memblock reserved region\n", | ^~~~~~~ kernel/dma/contiguous.c:414:17: error: expected declaration or statement at end of input >> kernel/dma/contiguous.c:405:13: warning: unused variable 'err' [-Wunused-variable] 405 | int err; | ^~~ >> kernel/dma/contiguous.c:404:21: warning: unused variable 'cma' [-Wunused-variable] 404 | struct cma *cma; | ^~~ kernel/dma/contiguous.c: At top level: >> kernel/dma/contiguous.c:400:19: warning: 'rmem_cma_setup' defined but not used [-Wunused-function] 400 | static int __init rmem_cma_setup(struct reserved_mem *rmem) | ^~~~~~~~~~~~~~ >> kernel/dma/contiguous.c:395:38: warning: 'rmem_cma_ops' defined but not used [-Wunused-const-variable=] 395 | static const struct reserved_mem_ops rmem_cma_ops = { | ^~~~~~~~~~~~
vim +/err +405 kernel/dma/contiguous.c
de9e14eebf33a6 drivers/base/dma-contiguous.c Marek Szyprowski 2014-10-13 394 de9e14eebf33a6 drivers/base/dma-contiguous.c Marek Szyprowski 2014-10-13 @395 static const struct reserved_mem_ops rmem_cma_ops = { de9e14eebf33a6 drivers/base/dma-contiguous.c Marek Szyprowski 2014-10-13 396 .device_init = rmem_cma_device_init, de9e14eebf33a6 drivers/base/dma-contiguous.c Marek Szyprowski 2014-10-13 397 .device_release = rmem_cma_device_release, de9e14eebf33a6 drivers/base/dma-contiguous.c Marek Szyprowski 2014-10-13 398 }; de9e14eebf33a6 drivers/base/dma-contiguous.c Marek Szyprowski 2014-10-13 399 de9e14eebf33a6 drivers/base/dma-contiguous.c Marek Szyprowski 2014-10-13 @400 static int __init rmem_cma_setup(struct reserved_mem *rmem) de9e14eebf33a6 drivers/base/dma-contiguous.c Marek Szyprowski 2014-10-13 401 { de9e14eebf33a6 drivers/base/dma-contiguous.c Marek Szyprowski 2014-10-13 402 unsigned long node = rmem->fdt_node; 8c8c5a4994a306 kernel/dma/contiguous.c Nicolas Saenz Julienne 2020-01-10 403 bool default_cma = of_get_flat_dt_prop(node, "linux,cma-default", NULL); de9e14eebf33a6 drivers/base/dma-contiguous.c Marek Szyprowski 2014-10-13 @404 struct cma *cma; de9e14eebf33a6 drivers/base/dma-contiguous.c Marek Szyprowski 2014-10-13 @405 int err;
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