Hi Jiaxun, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0d02ec6b3136c73c09e7859f0d0e4e2c4c07b49b commit: b13812ddea615b6507beef24f76540c0c1143c5c MIPS: Loongson2ef: Disable Loongson MMI instructions date: 6 months ago config: mips-randconfig-s032-20210322 (attached as .config) compiler: mips64el-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-277-gc089cd2d-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b13812ddea615b6507beef24f76540c0c1143c5c git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout b13812ddea615b6507beef24f76540c0c1143c5c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) command-line: note: in included file: builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQUIRE redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_SEQ_CST redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQ_REL redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_RELEASE redefined builtin:0:0: sparse: this was the original definition >> arch/mips/loongson2ef/common/reset.c:20:11: sparse: sparse: cast removes >> address space '__iomem' of expression -- command-line: note: in included file: builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQUIRE redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_SEQ_CST redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQ_REL redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_RELEASE redefined builtin:0:0: sparse: this was the original definition fs/ocfs2/refcounttree.c:635:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] rf_generation @@ got unsigned int @@ fs/ocfs2/refcounttree.c:635:27: sparse: expected restricted __le32 [usertype] rf_generation fs/ocfs2/refcounttree.c:635:27: sparse: got unsigned int >> fs/ocfs2/refcounttree.c:2087:9: sparse: sparse: cast from restricted __le16 >> fs/ocfs2/refcounttree.c:2134:17: sparse: sparse: cast from restricted __le32 -- command-line: note: in included file: builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQUIRE redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_SEQ_CST redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQ_REL redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_RELEASE redefined builtin:0:0: sparse: this was the original definition >> arch/mips/pci/ops-loongson2.c:93:24: sparse: sparse: incorrect type in >> argument 1 (different base types) @@ expected unsigned int [usertype] >> val @@ got restricted __le32 [usertype] @@ arch/mips/pci/ops-loongson2.c:93:24: sparse: expected unsigned int [usertype] val arch/mips/pci/ops-loongson2.c:93:24: sparse: got restricted __le32 [usertype] >> arch/mips/pci/ops-loongson2.c:93:44: sparse: sparse: incorrect type in >> argument 2 (different address spaces) @@ expected void volatile >> [noderef] __iomem *mem @@ got void *[assigned] addrp @@ arch/mips/pci/ops-loongson2.c:93:44: sparse: expected void volatile [noderef] __iomem *mem arch/mips/pci/ops-loongson2.c:93:44: sparse: got void *[assigned] addrp >> arch/mips/pci/ops-loongson2.c:95:25: sparse: sparse: incorrect type in >> argument 1 (different address spaces) @@ expected void const volatile >> [noderef] __iomem *mem @@ got void *[assigned] addrp @@ arch/mips/pci/ops-loongson2.c:95:25: sparse: expected void const volatile [noderef] __iomem *mem arch/mips/pci/ops-loongson2.c:95:25: sparse: got void *[assigned] addrp >> arch/mips/pci/ops-loongson2.c:95:25: sparse: sparse: cast to restricted >> __le32 -- command-line: note: in included file: builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQUIRE redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_SEQ_CST redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQ_REL redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_RELEASE redefined builtin:0:0: sparse: this was the original definition drivers/net/wireless/intel/iwlwifi/mvm/rs.c: note: in included file (through drivers/net/wireless/intel/iwlwifi/mvm/..//fw/img.h, drivers/net/wireless/intel/iwlwifi/mvm/..//iwl-trans.h, ...): drivers/net/wireless/intel/iwlwifi/mvm/..//fw/file.h:330:19: sparse: sparse: mixed bitwiseness drivers/net/wireless/intel/iwlwifi/mvm/..//fw/file.h:484:19: sparse: sparse: mixed bitwiseness >> drivers/net/wireless/intel/iwlwifi/mvm/rs.c:3298:6: sparse: sparse: context >> imbalance in 'iwl_mvm_rs_tx_status' - wrong count at exit vim +/__iomem +20 arch/mips/loongson2ef/common/reset.c 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 16 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 17 static inline void loongson_reboot(void) 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 18 { 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 19 #ifndef CONFIG_CPU_JUMP_WORKAROUNDS 4bdc0d676a6431 Christoph Hellwig 2020-01-06 @20 ((void (*)(void))ioremap(LOONGSON_BOOT_BASE, 4)) (); 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 21 #else 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 22 void (*func)(void); 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 23 4bdc0d676a6431 Christoph Hellwig 2020-01-06 24 func = (void *)ioremap(LOONGSON_BOOT_BASE, 4); 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 25 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 26 __asm__ __volatile__( 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 27 " .set noat \n" 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 28 " jr %[func] \n" 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 29 " .set at \n" 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 30 : /* No outputs */ 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 31 : [func] "r" (func)); 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 32 #endif 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 33 } 71e2f4dd5a65bd Jiaxun Yang 2019-10-20 34 :::::: The code at line 20 was first introduced by commit :::::: 4bdc0d676a643140bdf17dbf7eafedee3d496a3c remove ioremap_nocache and devm_ioremap_nocache :::::: TO: Christoph Hellwig <[email protected]> :::::: CC: Christoph Hellwig <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
