tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4 head: 08f8d1398111d6717028218f58d8c7e228ef4d15 commit: e76f44b723928dfde31f8b46af3fae56bfd0d508 [32/59] FROMLIST: sched: Core-wide rq->lock config: sparc64-randconfig-s032-20200812 (attached as .config) compiler: sparc64-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: v0.6.2-168-g9554805c-dirty git checkout e76f44b723928dfde31f8b46af3fae56bfd0d508 # 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=sparc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) kernel/sched/fair.c:6408:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/fair.c:6408:20: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:6408:20: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/fair.c:6555:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/fair.c:6555:9: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/fair.c:6555:9: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/fair.c:7943:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] <asn:4> *child @@ kernel/sched/fair.c:7943:40: sparse: expected struct sched_domain *child kernel/sched/fair.c:7943:40: sparse: got struct sched_domain [noderef] <asn:4> *child kernel/sched/fair.c:9336:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/fair.c:9336:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:9336:9: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/fair.c:8995:44: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *sd_parent @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/fair.c:8995:44: sparse: expected struct sched_domain *sd_parent kernel/sched/fair.c:8995:44: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/fair.c:9414:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/fair.c:9414:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:9414:9: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/fair.c:10013:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/fair.c:10013:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:10013:9: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/fair.c:5796:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] <asn:4> *child @@ kernel/sched/fair.c:5796:28: sparse: expected struct sched_domain *sd kernel/sched/fair.c:5796:28: sparse: got struct sched_domain [noderef] <asn:4> *child kernel/sched/fair.c:5802:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] <asn:4> *child @@ kernel/sched/fair.c:5802:28: sparse: expected struct sched_domain *sd kernel/sched/fair.c:5802:28: sparse: got struct sched_domain [noderef] <asn:4> *child kernel/sched/fair.c:5809:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] <asn:4> *child @@ kernel/sched/fair.c:5809:28: sparse: expected struct sched_domain *sd kernel/sched/fair.c:5809:28: sparse: got struct sched_domain [noderef] <asn:4> *child kernel/sched/fair.c:5817:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/fair.c:5817:17: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/fair.c:5817:17: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/fair.c:7985:41: sparse: sparse: dereference of noderef expression kernel/sched/fair.c:8363:45: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] <asn:4> *child @@ kernel/sched/fair.c:8363:45: sparse: expected struct sched_domain *child kernel/sched/fair.c:8363:45: sparse: got struct sched_domain [noderef] <asn:4> *child kernel/sched/fair.c:9463:1: sparse: sparse: context imbalance in 'rebalance_domains' - different lock contexts for basic block kernel/sched/fair.c: note: in included file (through include/linux/jump_label.h, include/linux/dynamic_debug.h, include/linux/printk.h, ...): -- kernel/sched/rt.c:1679:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/rt.c:1679:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/rt.c:1679:9: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/rt.c: note: in included file (through include/linux/jump_label.h, include/linux/dynamic_debug.h, include/linux/printk.h, ...): -- kernel/sched/deadline.c:1927:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/deadline.c:1927:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/deadline.c:1927:9: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/deadline.c: note: in included file (through include/linux/jump_label.h, include/linux/dynamic_debug.h, include/linux/printk.h, ...): vim +/nohz_newidle_balance +13 arch/sparc/include/asm/jump_label.h dff9d3c21525102 David S. Miller 2010-09-17 10 11276d5306b8e5b Peter Zijlstra 2015-07-24 11 static __always_inline bool arch_static_branch(struct static_key *key, bool branch) d430d3d7e646eb1 Jason Baron 2011-03-16 12 { 3f0116c3238a96b Ingo Molnar 2013-10-10 @13 asm_volatile_goto("1:\n\t" d430d3d7e646eb1 Jason Baron 2011-03-16 14 "nop\n\t" d430d3d7e646eb1 Jason Baron 2011-03-16 15 "nop\n\t" d430d3d7e646eb1 Jason Baron 2011-03-16 16 ".pushsection __jump_table, \"aw\"\n\t" d430d3d7e646eb1 Jason Baron 2011-03-16 17 ".align 4\n\t" d430d3d7e646eb1 Jason Baron 2011-03-16 18 ".word 1b, %l[l_yes], %c0\n\t" d430d3d7e646eb1 Jason Baron 2011-03-16 19 ".popsection \n\t" 11276d5306b8e5b Peter Zijlstra 2015-07-24 20 : : "i" (&((char *)key)[branch]) : : l_yes); 11276d5306b8e5b Peter Zijlstra 2015-07-24 21 11276d5306b8e5b Peter Zijlstra 2015-07-24 22 return false; 11276d5306b8e5b Peter Zijlstra 2015-07-24 23 l_yes: 11276d5306b8e5b Peter Zijlstra 2015-07-24 24 return true; 11276d5306b8e5b Peter Zijlstra 2015-07-24 25 } 11276d5306b8e5b Peter Zijlstra 2015-07-24 26 :::::: The code at line 13 was first introduced by commit :::::: 3f0116c3238a96bc18ad4b4acefe4e7be32fa861 compiler/gcc4: Add quirk for 'asm goto' miscompilation bug :::::: TO: Ingo Molnar <mingo(a)kernel.org&gt; :::::: CC: Ingo Molnar <mingo(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org