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charset=us-ascii Content-Disposition: inline In-Reply-To: <20250624154805.66985-6-Jonathan.Cameron@huawei.com> X-Rspamd-Server: rspam11 X-Rspam-User: X-Rspamd-Queue-Id: E52AF1A0005 X-Stat-Signature: hq1iwkpuhjddiat5sykxpau9cnxmyx9j X-HE-Tag: 1750868526-121180 X-HE-Meta: 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 cQEQVHXx G34MqxaRp6mPhcYI6uB8q7E6oW0o5rlL97FEuZfUpXNtZpSKsx4sNIlSTHCrecL32DQ+EYPCKl/C3SR+9atxe4YBc4Osh0V5UmALVFVRcRQcJfdy1xFq3iyUGxMAnMiDFNZefGkHyeYw0+GS6hZioWK8RiOqrL+znBfsMuPkkLrV0wYSDPGBmn1M9e6hgqPBTHGch89nWM+q/TpI1+nOX9/ny+3waN/5TjdOa8mFCNeWqgusrimJibAu9Lmdw6Q89lsPHZH5XGHGfCdDl+PWFLXTzjVtVZLsGCEovls6g9pN8D2aop/lRUPzoukLC6aePFOUuMaGaFLnqHdvTUCysiuzAkxK1fHZJ7AO4GfyZBc16aQgij6qBiu7imj40ydmSH8YpDfKxJzlOP+AWQtLZay/olQJp6tf6X7KNApxicuCKaEc= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Jonathan, kernel test robot noticed the following build warnings: [auto build test WARNING on driver-core/driver-core-testing] [also build test WARNING on driver-core/driver-core-next driver-core/driver-core-linus arm64/for-next/core linus/master nvdimm/libnvdimm-for-next v6.16-rc3] [cannot apply to nvdimm/dax-misc next-20250625] [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/Jonathan-Cameron/memregion-Support-fine-grained-invalidate-by-cpu_cache_invalidate_memregion/20250624-235402 base: driver-core/driver-core-testing patch link: https://lore.kernel.org/r/20250624154805.66985-6-Jonathan.Cameron%40huawei.com patch subject: [PATCH v2 5/8] arm64: Select GENERIC_CPU_CACHE_INVALIDATE_MEMREGION config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20250626/202506260055.YivRG9iE-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250626/202506260055.YivRG9iE-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202506260055.YivRG9iE-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/base/cache.c:31:5: warning: no previous prototype for 'cpu_cache_invalidate_memregion' [-Wmissing-prototypes] 31 | int cpu_cache_invalidate_memregion(int res_desc, phys_addr_t start, size_t len) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/base/cache.c:41:6: warning: no previous prototype for 'cpu_cache_has_invalidate_memregion' [-Wmissing-prototypes] 41 | bool cpu_cache_has_invalidate_memregion(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/cpu_cache_invalidate_memregion +31 drivers/base/cache.c b51d47491c68ae Yicong Yang 2025-06-24 30 b51d47491c68ae Yicong Yang 2025-06-24 @31 int cpu_cache_invalidate_memregion(int res_desc, phys_addr_t start, size_t len) b51d47491c68ae Yicong Yang 2025-06-24 32 { b51d47491c68ae Yicong Yang 2025-06-24 33 guard(spinlock_irqsave)(&scfm_lock); b51d47491c68ae Yicong Yang 2025-06-24 34 if (!scfm_data) b51d47491c68ae Yicong Yang 2025-06-24 35 return -EOPNOTSUPP; b51d47491c68ae Yicong Yang 2025-06-24 36 b51d47491c68ae Yicong Yang 2025-06-24 37 return scfm_data->invalidate_memregion(res_desc, start, len); b51d47491c68ae Yicong Yang 2025-06-24 38 } b51d47491c68ae Yicong Yang 2025-06-24 39 EXPORT_SYMBOL_NS_GPL(cpu_cache_invalidate_memregion, "DEVMEM"); b51d47491c68ae Yicong Yang 2025-06-24 40 b51d47491c68ae Yicong Yang 2025-06-24 @41 bool cpu_cache_has_invalidate_memregion(void) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki