tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: cd9eb9b4365b71652b2c2ac58293bea47c9f9302 commit: fe08767e3a083e73a72f08432bc6fbd864fa7179 [3541/3541] drivers/crypto/ccp: concurrent psp access support between user and kernel space config: x86_64-randconfig-101-20251212 (https://download.01.org/0day-ci/archive/20251212/202512122101.aJqs71rj-lkp@i...) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251212/202512122101.aJqs71rj-lkp@i...) 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/202512122101.aJqs71rj-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/crypto/ccp/hygon/psp-dev.c:18: In file included from drivers/crypto/ccp/hygon/psp-dev.h:17: In file included from drivers/crypto/ccp/hygon/sp-dev.h:14: In file included from include/linux/ccp.h:14: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:2242: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 537 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~

...

drivers/crypto/ccp/hygon/psp-dev.c:25:10: warning: no previous prototype for function 'atomic64_exchange' [-Wmissing-prototypes] 25 | uint64_t atomic64_exchange(uint64_t *dst, uint64_t val) | ^ drivers/crypto/ccp/hygon/psp-dev.c:25:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 25 | uint64_t atomic64_exchange(uint64_t *dst, uint64_t val) | ^ | static drivers/crypto/ccp/hygon/psp-dev.c:30:5: warning: no previous prototype for function 'psp_mutex_init' [-Wmissing-prototypes] 30 | int psp_mutex_init(struct psp_mutex *mutex) | ^ drivers/crypto/ccp/hygon/psp-dev.c:30:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 30 | int psp_mutex_init(struct psp_mutex *mutex) | ^ | static drivers/crypto/ccp/hygon/psp-dev.c:38:5: warning: no previous prototype for function 'psp_mutex_trylock' [-Wmissing-prototypes] 38 | int psp_mutex_trylock(struct psp_mutex *mutex) | ^ drivers/crypto/ccp/hygon/psp-dev.c:38:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 38 | int psp_mutex_trylock(struct psp_mutex *mutex) | ^ | static 8 warnings generated.

vim +/atomic64_exchange +25 drivers/crypto/ccp/hygon/psp-dev.c 24

25 uint64_t atomic64_exchange(uint64_t *dst, uint64_t val) 26 { 27 return xchg(dst, val); 28 } 29

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