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charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: 3D1CC40008 X-Rspam-User: X-Stat-Signature: z86hnd8f4e3gjiwapwtofno1pdoy3d5i X-Rspamd-Server: rspam03 X-HE-Tag: 1691600863-919308 X-HE-Meta: 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 gTtUmY3B 21w5RoSQvxQjQY9c9e2kPpHmoC8buC8vAyPiaUeqpg149qMjfthzE9+0H+Ixs39kC0W2QcjT5QI1BP5atflbhA/1ZbXdriAfI++2z2qMuvtMdkF9N1LY1OFB8nrlybMZa/ugk8EuhBZZR0DSZ8FC+PrtRALdIo0z863d6Y/jtgSkNsxagFCPIhadTDSOpBOX+1AckGx3h/WZhVjk12nzQkCKtaa61PBR76rIxsUUc/vrVcar98Y7ZraXWl3m0qb7dyFACm3Hzb7FzqgStaO2BPZAQ2unoPYimA8Ne0/2j3PJ+EslzPN1P13RWMMbpbbFCwH6LUa0WTYHkZF4co3QoFFChQ6a+zj3gzHNkQmGiLWkGX8NGInsw/s9/2pkSyqbUpNHp91gKJ51IfuEmS6tZn4gEdW7BL04+lL1gPILrvu80aCfrWwsQsVeD1iTQFIaWudPyQ1TwWjnKxpRyKomhHMaikw== 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: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 21ef7b1e17d039053edaeaf41142423810572741 commit: c3c510ce431cd99fa10dcd50d995c8e89330ee5b [2424/8441] bpf: Add 'owner' field to bpf_{list,rb}_node config: alpha-randconfig-r093-20230809 (https://download.01.org/0day-ci/archive/20230810/202308100149.2rvEPRIG-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230810/202308100149.2rvEPRIG-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/202308100149.2rvEPRIG-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/bpf/helpers.c: note: in included file (through arch/alpha/include/asm/cmpxchg.h, arch/alpha/include/asm/atomic.h, include/linux/atomic.h, ...): >> arch/alpha/include/asm/xchg.h:234:32: sparse: sparse: cast truncates bits from constant value (eb9f becomes 9f) >> arch/alpha/include/asm/xchg.h:234:32: sparse: sparse: cast truncates bits from constant value (eb9f becomes 9f) kernel/bpf/helpers.c:2419:18: sparse: sparse: context imbalance in 'bpf_rcu_read_lock' - wrong count at exit kernel/bpf/helpers.c:2424:18: sparse: sparse: context imbalance in 'bpf_rcu_read_unlock' - unexpected unlock vim +234 arch/alpha/include/asm/xchg.h a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 227 a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 228 static __always_inline unsigned long a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 229 ____cmpxchg(, volatile void *ptr, unsigned long old, unsigned long new, a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 230 int size) a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 231 { a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 232 switch (size) { a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 233 case 1: a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 @234 return ____cmpxchg(_u8, ptr, old, new); a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 235 case 2: a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 236 return ____cmpxchg(_u16, ptr, old, new); a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 237 case 4: a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 238 return ____cmpxchg(_u32, ptr, old, new); a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 239 case 8: a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 240 return ____cmpxchg(_u64, ptr, old, new); a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 241 } a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 242 __cmpxchg_called_with_bad_pointer(); a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 243 return old; a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 244 } a6209d6d71f2ab Ivan Kokshaysky 2009-03-31 245 :::::: The code at line 234 was first introduced by commit :::::: a6209d6d71f2ab8c63cc1587ef65490d83022baf alpha: xchg/cmpxchg cleanup and fixes :::::: TO: Ivan Kokshaysky :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki