Hi Dirk, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8f3d9f354286745c751374f5f1fcafee6b3f3136 commit: e33a814e772cdc36436c8c188d8c42d019fda639 scripts/dtc: Remove redundant YYLOC global declaration date: 2 weeks ago config: powerpc-randconfig-a001-20200413 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project dd030036f0a2ace74d0bd2242cfdbcf726ef565d) reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout e33a814e772cdc36436c8c188d8c42d019fda639 # save the attached .config to linux build tree COMPILER=clang make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): >> arch/powerpc/platforms/52xx/mpc52xx_pm.c:58:5: error: stack frame size of 1040 bytes in function 'mpc52xx_pm_prepare' [-Werror,-Wframe-larger-than=] int mpc52xx_pm_prepare(void) ^ 1 error generated. -- >> arch/powerpc/platforms/embedded6xx/wii.c:195:7: error: attribute declaration must precede definition [-Werror,-Wignored-attributes] if (!machine_is(wii)) ^ arch/powerpc/include/asm/machdep.h:248:19: note: expanded from macro 'machine_is' __attribute__((weak)); \ ^ arch/powerpc/platforms/embedded6xx/wii.c:175:1: note: previous definition is here define_machine(wii) { ^ arch/powerpc/include/asm/machdep.h:243:23: note: expanded from macro 'define_machine' struct machdep_calls mach_##name __machine_desc = ^ <scratch space>:89:1: note: expanded from here mach_wii ^ 1 error generated. -- >> arch/powerpc/platforms/embedded6xx/mvme5100.c:135:58: error: incompatible pointer types passing 'phys_addr_t *' (aka 'unsigned long long *') to parameter of type 'u32 *' (aka 'unsigned int *') [-Werror,-Wincompatible-pointer-types] early_read_config_dword(hose, 0, 0, PCI_BASE_ADDRESS_1, &pci_membase); ^~~~~~~~~~~~ arch/powerpc/include/asm/pci-bridge.h:139:32: note: passing argument to parameter 'val' here int dev_fn, int where, u32 *val); ^ 1 error generated. -- >> lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:790:20: note: expanded from macro 'umul_ppmm' : "=r" ((USItype) ph) \ ~~~~~~~~~~^~ 1 error generated. -- >> lib/mpi/generic_mpih-mul2.c:36:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:790:20: note: expanded from macro 'umul_ppmm' : "=r" ((USItype) ph) \ ~~~~~~~~~~^~ 1 error generated. -- >> lib/mpi/generic_mpih-mul3.c:36:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:790:20: note: expanded from macro 'umul_ppmm' : "=r" ((USItype) ph) \ ~~~~~~~~~~^~ 1 error generated. -- >> lib/mpi/mpih-div.c:99:16: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions sub_ddmmss(n1, n0, n1, n0, d1, d0); ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:750:21: note: expanded from macro 'sub_ddmmss' : "=r" ((USItype)(sh)), \ ~~~~~~~~~~^~~ lib/mpi/mpih-div.c:99:20: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions sub_ddmmss(n1, n0, n1, n0, d1, d0); ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:751:20: note: expanded from macro 'sub_ddmmss' "=&r" ((USItype)(sl)) \ ~~~~~~~~~~^~~ >> lib/mpi/mpih-div.c:99:16: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions sub_ddmmss(n1, n0, n1, n0, d1, d0); ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:757:21: note: expanded from macro 'sub_ddmmss' : "=r" ((USItype)(sh)), \ ~~~~~~~~~~^~~ lib/mpi/mpih-div.c:99:20: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions sub_ddmmss(n1, n0, n1, n0, d1, d0); ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:758:20: note: expanded from macro 'sub_ddmmss' "=&r" ((USItype)(sl)) \ ~~~~~~~~~~^~~ >> lib/mpi/mpih-div.c:99:16: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions sub_ddmmss(n1, n0, n1, n0, d1, d0); ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:764:21: note: expanded from macro 'sub_ddmmss' : "=r" ((USItype)(sh)), \ ~~~~~~~~~~^~~ lib/mpi/mpih-div.c:99:20: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions sub_ddmmss(n1, n0, n1, n0, d1, d0); ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:765:20: note: expanded from macro 'sub_ddmmss' "=&r" ((USItype)(sl)) \ ~~~~~~~~~~^~~ >> lib/mpi/mpih-div.c:99:16: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions sub_ddmmss(n1, n0, n1, n0, d1, d0); ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:771:21: note: expanded from macro 'sub_ddmmss' : "=r" ((USItype)(sh)), \ ~~~~~~~~~~^~~ lib/mpi/mpih-div.c:99:20: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions sub_ddmmss(n1, n0, n1, n0, d1, d0); ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:772:20: note: expanded from macro 'sub_ddmmss' "=&r" ((USItype)(sl)) \ ~~~~~~~~~~^~~ >> lib/mpi/mpih-div.c:99:16: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions sub_ddmmss(n1, n0, n1, n0, d1, d0); ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:778:21: note: expanded from macro 'sub_ddmmss' : "=r" ((USItype)(sh)), \ ~~~~~~~~~~^~~ lib/mpi/mpih-div.c:99:20: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions sub_ddmmss(n1, n0, n1, n0, d1, d0); ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:779:20: note: expanded from macro 'sub_ddmmss' "=&r" ((USItype)(sl)) \ ~~~~~~~~~~^~~ lib/mpi/mpih-div.c:120:18: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions add_ssaaaa(n1, n0, r - d0, ~~~~~~~~~~~^~~~~~~~~~~~~~~ lib/mpi/longlong.h:725:21: note: expanded from macro 'add_ssaaaa' : "=r" ((USItype)(sh)), \ ~~~~~~~~~~^~~ lib/mpi/mpih-div.c:120:22: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions add_ssaaaa(n1, n0, r - d0, ~~~~~~~~~~~~~~~^~~~~~~~~~~ lib/mpi/longlong.h:726:20: note: expanded from macro 'add_ssaaaa' "=&r" ((USItype)(sl)) \ ~~~~~~~~~~^~~ lib/mpi/mpih-div.c:120:18: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions add_ssaaaa(n1, n0, r - d0, ~~~~~~~~~~~^~~~~~~~~~~~~~~ lib/mpi/longlong.h:732:21: note: expanded from macro 'add_ssaaaa' : "=r" ((USItype)(sh)), \ ~~~~~~~~~~^~~ lib/mpi/mpih-div.c:120:22: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions add_ssaaaa(n1, n0, r - d0, ~~~~~~~~~~~~~~~^~~~~~~~~~~ lib/mpi/longlong.h:733:20: note: expanded from macro 'add_ssaaaa' "=&r" ((USItype)(sl)) \ ~~~~~~~~~~^~~ lib/mpi/mpih-div.c:120:18: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions add_ssaaaa(n1, n0, r - d0, ~~~~~~~~~~~^~~~~~~~~~~~~~~ lib/mpi/longlong.h:739:21: note: expanded from macro 'add_ssaaaa' : "=r" ((USItype)(sh)), \ ~~~~~~~~~~^~~ lib/mpi/mpih-div.c:120:22: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions add_ssaaaa(n1, n0, r - d0, ~~~~~~~~~~~~~~~^~~~~~~~~~~ lib/mpi/longlong.h:740:20: note: expanded from macro 'add_ssaaaa' "=&r" ((USItype)(sl)) \ ~~~~~~~~~~^~~ lib/mpi/mpih-div.c:129:16: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions umul_ppmm(n1, n0, d0, q); ~~~~~~~~~~^~~~~~~~~~~~~~ lib/mpi/longlong.h:790:20: note: expanded from macro 'umul_ppmm' : "=r" ((USItype) ph) \ ~~~~~~~~~~^~ lib/mpi/mpih-div.c:137:17: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions sub_ddmmss(n1, n0, n1, n0, 0, d0); ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:750:21: note: expanded from macro 'sub_ddmmss' : "=r" ((USItype)(sh)), \ ~~~~~~~~~~^~~ lib/mpi/mpih-div.c:137:21: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions sub_ddmmss(n1, n0, n1, n0, 0, d0); ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ lib/mpi/longlong.h:751:20: note: expanded from macro 'sub_ddmmss' "=&r" ((USItype)(sl)) \ ~~~~~~~~~~^~~ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. vim +/mpc52xx_pm_prepare +58 arch/powerpc/platforms/52xx/mpc52xx_pm.c 2e1ee1f76684c5 Domen Puncer 2007-05-07 57 e6c5eb9541f219 Rafael J. Wysocki 2007-10-18 @58 int mpc52xx_pm_prepare(void) 2e1ee1f76684c5 Domen Puncer 2007-05-07 59 { 75ca399e82726f Grant Likely 2008-01-18 60 struct device_node *np; 66ffbe490b6156 Grant Likely 2008-01-24 61 const struct of_device_id immr_ids[] = { 66ffbe490b6156 Grant Likely 2008-01-24 62 { .compatible = "fsl,mpc5200-immr", }, 66ffbe490b6156 Grant Likely 2008-01-24 63 { .compatible = "fsl,mpc5200b-immr", }, 66ffbe490b6156 Grant Likely 2008-01-24 64 { .type = "soc", .compatible = "mpc5200", }, /* lite5200 */ 66ffbe490b6156 Grant Likely 2008-01-24 65 { .type = "builtin", .compatible = "mpc5200", }, /* efika */ 66ffbe490b6156 Grant Likely 2008-01-24 66 {} 66ffbe490b6156 Grant Likely 2008-01-24 67 }; fb73538e10c7fc Dmitry Eremin-Solenikov 2010-06-11 68 struct resource res; 75ca399e82726f Grant Likely 2008-01-18 69 2e1ee1f76684c5 Domen Puncer 2007-05-07 70 /* map the whole register space */ 66ffbe490b6156 Grant Likely 2008-01-24 71 np = of_find_matching_node(NULL, immr_ids); fb73538e10c7fc Dmitry Eremin-Solenikov 2010-06-11 72 fb73538e10c7fc Dmitry Eremin-Solenikov 2010-06-11 73 if (of_address_to_resource(np, 0, &res)) { fb73538e10c7fc Dmitry Eremin-Solenikov 2010-06-11 74 pr_err("mpc52xx_pm_prepare(): could not get IMMR address\n"); fb73538e10c7fc Dmitry Eremin-Solenikov 2010-06-11 75 of_node_put(np); fb73538e10c7fc Dmitry Eremin-Solenikov 2010-06-11 76 return -ENOSYS; fb73538e10c7fc Dmitry Eremin-Solenikov 2010-06-11 77 } fb73538e10c7fc Dmitry Eremin-Solenikov 2010-06-11 78 fb73538e10c7fc Dmitry Eremin-Solenikov 2010-06-11 79 mbar = ioremap(res.start, 0xc000); /* we should map whole region including SRAM */ fb73538e10c7fc Dmitry Eremin-Solenikov 2010-06-11 80 75ca399e82726f Grant Likely 2008-01-18 81 of_node_put(np); 2e1ee1f76684c5 Domen Puncer 2007-05-07 82 if (!mbar) { 75ca399e82726f Grant Likely 2008-01-18 83 pr_err("mpc52xx_pm_prepare(): could not map registers\n"); 2e1ee1f76684c5 Domen Puncer 2007-05-07 84 return -ENOSYS; 2e1ee1f76684c5 Domen Puncer 2007-05-07 85 } 2e1ee1f76684c5 Domen Puncer 2007-05-07 86 /* these offsets are from mpc5200 users manual */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 87 sdram = mbar + 0x100; 2e1ee1f76684c5 Domen Puncer 2007-05-07 88 cdm = mbar + 0x200; 2e1ee1f76684c5 Domen Puncer 2007-05-07 89 intr = mbar + 0x500; 2e1ee1f76684c5 Domen Puncer 2007-05-07 90 gpiow = mbar + 0xc00; 2e1ee1f76684c5 Domen Puncer 2007-05-07 91 sram = mbar + 0x8000; /* Those will be handled by the */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 92 sram_size = 0x4000; /* bestcomm driver soon */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 93 2e1ee1f76684c5 Domen Puncer 2007-05-07 94 /* call board suspend code, if applicable */ 2e1ee1f76684c5 Domen Puncer 2007-05-07 95 if (mpc52xx_suspend.board_suspend_prepare) 2e1ee1f76684c5 Domen Puncer 2007-05-07 96 mpc52xx_suspend.board_suspend_prepare(mbar); 2e1ee1f76684c5 Domen Puncer 2007-05-07 97 else { 2e1ee1f76684c5 Domen Puncer 2007-05-07 98 printk(KERN_ALERT "%s: %i don't know how to wake up the board\n", 2e1ee1f76684c5 Domen Puncer 2007-05-07 99 __func__, __LINE__); 2e1ee1f76684c5 Domen Puncer 2007-05-07 100 goto out_unmap; 2e1ee1f76684c5 Domen Puncer 2007-05-07 101 } 2e1ee1f76684c5 Domen Puncer 2007-05-07 102 2e1ee1f76684c5 Domen Puncer 2007-05-07 103 return 0; 2e1ee1f76684c5 Domen Puncer 2007-05-07 104 2e1ee1f76684c5 Domen Puncer 2007-05-07 105 out_unmap: 2e1ee1f76684c5 Domen Puncer 2007-05-07 106 iounmap(mbar); 2e1ee1f76684c5 Domen Puncer 2007-05-07 107 return -ENOSYS; 2e1ee1f76684c5 Domen Puncer 2007-05-07 108 } 2e1ee1f76684c5 Domen Puncer 2007-05-07 109 :::::: The code at line 58 was first introduced by commit :::::: e6c5eb9541f2197a3ffab90b1c7a3250a9b51bf6 PM: Rework struct platform_suspend_ops :::::: TO: Rafael J. Wysocki <rjw(a)sisk.pl&gt; :::::: CC: Linus Torvalds <torvalds(a)woody.linux-foundation.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org -- You received this message because you are subscribed to the Google Groups "Clang Built Linux" group. To unsubscribe from this group and stop receiving emails from it, send an email to clang-built-linux+unsubscribe(a)googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/clang-built-linux/202004131704.6MH1jcq3....