BCC: [email protected] CC: [email protected] CC: [email protected] TO: Alexander Lobakin <[email protected]> CC: Yury Norov <[email protected]> CC: Andy Shevchenko <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3245cb65fd91cd514801bf91f5a3066d562f0ac4 commit: 0e862838f290147ea9c16db852d8d494b552d38d bitops: unify non-atomic bitops prototypes across architectures date: 3 months ago :::::: branch date: 2 days ago :::::: commit date: 3 months ago config: m68k-randconfig-m031-20220914 (https://download.01.org/0day-ci/archive/20220916/[email protected]/config) compiler: m68k-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: arch/m68k/include/asm/bitops.h:216 arch___test_and_set_bit() warn: signedness bug returning '(-128)' arch/m68k/include/asm/bitops.h:269 arch___test_and_clear_bit() warn: signedness bug returning '(-128)' vim +216 arch/m68k/include/asm/bitops.h 171d809df1896c Greg Ungerer 2011-05-17 212 0e862838f29014 Alexander Lobakin 2022-06-24 213 static __always_inline bool 0e862838f29014 Alexander Lobakin 2022-06-24 214 arch___test_and_set_bit(unsigned long nr, volatile unsigned long *addr) 0e862838f29014 Alexander Lobakin 2022-06-24 215 { 0e862838f29014 Alexander Lobakin 2022-06-24 @216 return test_and_set_bit(nr, addr); 0e862838f29014 Alexander Lobakin 2022-06-24 217 } 171d809df1896c Greg Ungerer 2011-05-17 218 171d809df1896c Greg Ungerer 2011-05-17 219 static inline int bclr_reg_test_and_clear_bit(int nr, 171d809df1896c Greg Ungerer 2011-05-17 220 volatile unsigned long *vaddr) 171d809df1896c Greg Ungerer 2011-05-17 221 { 171d809df1896c Greg Ungerer 2011-05-17 222 char *p = (char *)vaddr + (nr ^ 31) / 8; 171d809df1896c Greg Ungerer 2011-05-17 223 char retval; 171d809df1896c Greg Ungerer 2011-05-17 224 171d809df1896c Greg Ungerer 2011-05-17 225 __asm__ __volatile__ ("bclr %2,(%1); sne %0" 171d809df1896c Greg Ungerer 2011-05-17 226 : "=d" (retval) 171d809df1896c Greg Ungerer 2011-05-17 227 : "a" (p), "di" (nr & 7) 171d809df1896c Greg Ungerer 2011-05-17 228 : "memory"); 171d809df1896c Greg Ungerer 2011-05-17 229 return retval; 171d809df1896c Greg Ungerer 2011-05-17 230 } 171d809df1896c Greg Ungerer 2011-05-17 231 171d809df1896c Greg Ungerer 2011-05-17 232 static inline int bclr_mem_test_and_clear_bit(int nr, 171d809df1896c Greg Ungerer 2011-05-17 233 volatile unsigned long *vaddr) 171d809df1896c Greg Ungerer 2011-05-17 234 { 171d809df1896c Greg Ungerer 2011-05-17 235 char *p = (char *)vaddr + (nr ^ 31) / 8; 171d809df1896c Greg Ungerer 2011-05-17 236 char retval; 171d809df1896c Greg Ungerer 2011-05-17 237 171d809df1896c Greg Ungerer 2011-05-17 238 __asm__ __volatile__ ("bclr %2,%1; sne %0" 171d809df1896c Greg Ungerer 2011-05-17 239 : "=d" (retval), "+m" (*p) 171d809df1896c Greg Ungerer 2011-05-17 240 : "di" (nr & 7)); 171d809df1896c Greg Ungerer 2011-05-17 241 return retval; 171d809df1896c Greg Ungerer 2011-05-17 242 } 171d809df1896c Greg Ungerer 2011-05-17 243 171d809df1896c Greg Ungerer 2011-05-17 244 static inline int bfclr_mem_test_and_clear_bit(int nr, 171d809df1896c Greg Ungerer 2011-05-17 245 volatile unsigned long *vaddr) 171d809df1896c Greg Ungerer 2011-05-17 246 { 171d809df1896c Greg Ungerer 2011-05-17 247 char retval; 171d809df1896c Greg Ungerer 2011-05-17 248 171d809df1896c Greg Ungerer 2011-05-17 249 __asm__ __volatile__ ("bfclr %2{%1:#1}; sne %0" 171d809df1896c Greg Ungerer 2011-05-17 250 : "=d" (retval) 171d809df1896c Greg Ungerer 2011-05-17 251 : "d" (nr ^ 31), "o" (*vaddr) 171d809df1896c Greg Ungerer 2011-05-17 252 : "memory"); 171d809df1896c Greg Ungerer 2011-05-17 253 return retval; 171d809df1896c Greg Ungerer 2011-05-17 254 } 171d809df1896c Greg Ungerer 2011-05-17 255 171d809df1896c Greg Ungerer 2011-05-17 256 #if defined(CONFIG_COLDFIRE) 171d809df1896c Greg Ungerer 2011-05-17 257 #define test_and_clear_bit(nr, vaddr) bclr_reg_test_and_clear_bit(nr, vaddr) 171d809df1896c Greg Ungerer 2011-05-17 258 #elif defined(CONFIG_CPU_HAS_NO_BITFIELDS) 171d809df1896c Greg Ungerer 2011-05-17 259 #define test_and_clear_bit(nr, vaddr) bclr_mem_test_and_clear_bit(nr, vaddr) 171d809df1896c Greg Ungerer 2011-05-17 260 #else 171d809df1896c Greg Ungerer 2011-05-17 261 #define test_and_clear_bit(nr, vaddr) (__builtin_constant_p(nr) ? \ 171d809df1896c Greg Ungerer 2011-05-17 262 bclr_mem_test_and_clear_bit(nr, vaddr) : \ 171d809df1896c Greg Ungerer 2011-05-17 263 bfclr_mem_test_and_clear_bit(nr, vaddr)) 171d809df1896c Greg Ungerer 2011-05-17 264 #endif 171d809df1896c Greg Ungerer 2011-05-17 265 0e862838f29014 Alexander Lobakin 2022-06-24 266 static __always_inline bool 0e862838f29014 Alexander Lobakin 2022-06-24 267 arch___test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) 0e862838f29014 Alexander Lobakin 2022-06-24 268 { 0e862838f29014 Alexander Lobakin 2022-06-24 @269 return test_and_clear_bit(nr, addr); 0e862838f29014 Alexander Lobakin 2022-06-24 270 } 171d809df1896c Greg Ungerer 2011-05-17 271 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
