Re: [PATCH 2/3] cxl/core: Enable Region creation on x86 with Low Memory Hole
From: kernel test robot
Date: Mon Nov 25 2024 - 03:42:27 EST
Hi Fabio,
kernel test robot noticed the following build warnings:
[auto build test WARNING on cxl/next]
[also build test WARNING on linus/master cxl/pending v6.12 next-20241125]
[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/Fabio-M-De-Francesco/cxl-core-Change-match_-_by_range-calling-convention/20241125-102754
base: https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git next
patch link: https://lore.kernel.org/r/20241122155226.2068287-3-fabio.m.de.francesco%40linux.intel.com
patch subject: [PATCH 2/3] cxl/core: Enable Region creation on x86 with Low Memory Hole
config: i386-buildonly-randconfig-001-20241125 (https://download.01.org/0day-ci/archive/20241125/202411251632.4eenIlnF-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241125/202411251632.4eenIlnF-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411251632.4eenIlnF-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
In file included from drivers/cxl/cxlmem.h:12,
from drivers/cxl/port.c:7:
>> drivers/cxl/cxl.h:921:6: warning: no previous prototype for 'arch_match_spa' [-Wmissing-prototypes]
921 | bool arch_match_spa(struct cxl_root_decoder *cxlrd,
| ^~~~~~~~~~~~~~
>> drivers/cxl/cxl.h:927:6: warning: no previous prototype for 'arch_match_region' [-Wmissing-prototypes]
927 | bool arch_match_region(struct cxl_region_params *p,
| ^~~~~~~~~~~~~~~~~
>> drivers/cxl/cxl.h:933:6: warning: no previous prototype for 'arch_trim_hpa_by_spa' [-Wmissing-prototypes]
933 | void arch_trim_hpa_by_spa(struct resource *res,
| ^~~~~~~~~~~~~~~~~~~~
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for GET_FREE_REGION
Depends on [n]: SPARSEMEM [=n]
Selected by [y]:
- RESOURCE_KUNIT_TEST [=y] && RUNTIME_TESTING_MENU [=y] && KUNIT [=y]
vim +/arch_match_spa +921 drivers/cxl/cxl.h
912
913 #ifdef CONFIG_CXL_ARCH_LOW_MEMORY_HOLE
914 bool arch_match_spa(struct cxl_root_decoder *cxlrd,
915 struct cxl_endpoint_decoder *cxled);
916 bool arch_match_region(struct cxl_region_params *p,
917 struct cxl_decoder *cxld);
918 void arch_trim_hpa_by_spa(struct resource *res,
919 struct cxl_root_decoder *cxlrd);
920 #else
> 921 bool arch_match_spa(struct cxl_root_decoder *cxlrd,
922 struct cxl_endpoint_decoder *cxled)
923 {
924 return false;
925 }
926
> 927 bool arch_match_region(struct cxl_region_params *p,
928 struct cxl_decoder *cxld)
929 {
930 return false;
931 }
932
> 933 void arch_trim_hpa_by_spa(struct resource *res,
934 struct cxl_root_decoder *cxlrd)
935 { }
936 #endif /* CXL_ARCH_LOW_MEMORY_HOLE */
937
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