tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y head: d7f83e4f45e886d919bc985bd225b8355ddd9284 commit: 83c3684d71eba85d8020e345e08d9b1ba2d3a922 [9719/9999] MIPS: Disable Loongson MMI instructions for kernel build config: mips-randconfig-r013-20210512 (attached as .config) compiler: mips64el-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gi... git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-4.9.y git checkout 83c3684d71eba85d8020e345e08d9b1ba2d3a922 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from arch/mips/include/asm/pgtable.h:665, from include/linux/mm.h:68, from include/linux/pid_namespace.h:6, from include/linux/ptrace.h:8, from arch/mips/kernel/cpu-probe.c:16: 15 | #error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{PUD,PMD}_FOLDED | ^~~~~ In file included from include/linux/pid_namespace.h:6, from include/linux/ptrace.h:8, from arch/mips/kernel/cpu-probe.c:16: include/linux/mm.h: In function 'mm_nr_pmds_init': 1589 | atomic_long_set(&mm->nr_pmds, 0); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_nr_pmds': include/linux/mm.h:1594:31: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1594 | return atomic_long_read(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_inc_nr_pmds': include/linux/mm.h:1599:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1599 | atomic_long_inc(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_dec_nr_pmds': include/linux/mm.h:1604:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1604 | atomic_long_dec(&mm->nr_pmds); | ^~~~~~~ | nr_ptes arch/mips/kernel/cpu-probe.c: In function 'set_isa': arch/mips/kernel/cpu-probe.c:480:16: error: this statement may fall through [-Werror=implicit-fallthrough=] 480 | c->isa_level |= MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M64R2; arch/mips/kernel/cpu-probe.c:481:2: note: here 481 | case MIPS_CPU_ISA_M64R1: | ^~~~ arch/mips/kernel/cpu-probe.c:482:16: error: this statement may fall through [-Werror=implicit-fallthrough=] 482 | c->isa_level |= MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M64R1; arch/mips/kernel/cpu-probe.c:483:2: note: here 483 | case MIPS_CPU_ISA_V: | ^~~~ arch/mips/kernel/cpu-probe.c:484:16: error: this statement may fall through [-Werror=implicit-fallthrough=] 484 | c->isa_level |= MIPS_CPU_ISA_V; arch/mips/kernel/cpu-probe.c:485:2: note: here 485 | case MIPS_CPU_ISA_IV: | ^~~~ arch/mips/kernel/cpu-probe.c:486:16: error: this statement may fall through [-Werror=implicit-fallthrough=] 486 | c->isa_level |= MIPS_CPU_ISA_IV; arch/mips/kernel/cpu-probe.c:487:2: note: here 487 | case MIPS_CPU_ISA_III: | ^~~~ arch/mips/kernel/cpu-probe.c:493:16: error: this statement may fall through [-Werror=implicit-fallthrough=] 493 | c->isa_level |= MIPS_CPU_ISA_M32R6 | MIPS_CPU_ISA_M64R6; arch/mips/kernel/cpu-probe.c:494:2: note: here 494 | case MIPS_CPU_ISA_M32R6: | ^~~~ arch/mips/kernel/cpu-probe.c:499:16: error: this statement may fall through [-Werror=implicit-fallthrough=] 499 | c->isa_level |= MIPS_CPU_ISA_M32R2; arch/mips/kernel/cpu-probe.c:500:2: note: here 500 | case MIPS_CPU_ISA_M32R1: | ^~~~ arch/mips/kernel/cpu-probe.c:501:16: error: this statement may fall through [-Werror=implicit-fallthrough=] 501 | c->isa_level |= MIPS_CPU_ISA_M32R1; arch/mips/kernel/cpu-probe.c:502:2: note: here 502 | case MIPS_CPU_ISA_II: | ^~~~ cc1: all warnings being treated as errors -- In file included from arch/mips/include/asm/pgtable.h:665, from include/linux/mm.h:68, from arch/mips/kernel/irq.c:17: 15 | #error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{PUD,PMD}_FOLDED | ^~~~~ In file included from arch/mips/kernel/irq.c:17: include/linux/mm.h: In function 'mm_nr_pmds_init': 1589 | atomic_long_set(&mm->nr_pmds, 0); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_nr_pmds': include/linux/mm.h:1594:31: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1594 | return atomic_long_read(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_inc_nr_pmds': include/linux/mm.h:1599:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1599 | atomic_long_inc(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_dec_nr_pmds': include/linux/mm.h:1604:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1604 | atomic_long_dec(&mm->nr_pmds); | ^~~~~~~ | nr_ptes arch/mips/kernel/irq.c: At top level: arch/mips/kernel/irq.c:52:13: error: no previous prototype for 'init_IRQ' [-Werror=missing-prototypes] 52 | void __init init_IRQ(void) | ^~~~~~~~ cc1: all warnings being treated as errors -- In file included from arch/mips/include/asm/pgtable.h:665, from include/linux/mm.h:68, from arch/mips/kernel/process.c:16: 15 | #error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{PUD,PMD}_FOLDED | ^~~~~ In file included from arch/mips/kernel/process.c:16: include/linux/mm.h: In function 'mm_nr_pmds_init': 1589 | atomic_long_set(&mm->nr_pmds, 0); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_nr_pmds': include/linux/mm.h:1594:31: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1594 | return atomic_long_read(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_inc_nr_pmds': include/linux/mm.h:1599:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1599 | atomic_long_inc(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_dec_nr_pmds': include/linux/mm.h:1604:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1604 | atomic_long_dec(&mm->nr_pmds); | ^~~~~~~ | nr_ptes arch/mips/kernel/process.c: At top level: arch/mips/kernel/process.c:88:5: error: no previous prototype for 'arch_dup_task_struct' [-Werror=missing-prototypes] 88 | int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) | ^~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/process.c:630:15: error: no previous prototype for 'arch_align_stack' [-Werror=missing-prototypes] 630 | unsigned long arch_align_stack(unsigned long sp) | ^~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- In file included from arch/mips/include/asm/pgtable.h:665, from include/linux/mm.h:68, from arch/mips/kernel/ptrace.c:22: 15 | #error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{PUD,PMD}_FOLDED | ^~~~~ In file included from arch/mips/kernel/ptrace.c:22: include/linux/mm.h: In function 'mm_nr_pmds_init': 1589 | atomic_long_set(&mm->nr_pmds, 0); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_nr_pmds': include/linux/mm.h:1594:31: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1594 | return atomic_long_read(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_inc_nr_pmds': include/linux/mm.h:1599:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1599 | atomic_long_inc(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_dec_nr_pmds': include/linux/mm.h:1604:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1604 | atomic_long_dec(&mm->nr_pmds); | ^~~~~~~ | nr_ptes -- In file included from arch/mips/include/asm/pgtable.h:665, from include/linux/mm.h:68, from include/linux/memblock.h:18, from arch/mips/kernel/setup.c:17: 15 | #error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{PUD,PMD}_FOLDED | ^~~~~ In file included from include/linux/memblock.h:18, from arch/mips/kernel/setup.c:17: include/linux/mm.h: In function 'mm_nr_pmds_init': 1589 | atomic_long_set(&mm->nr_pmds, 0); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_nr_pmds': include/linux/mm.h:1594:31: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1594 | return atomic_long_read(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_inc_nr_pmds': include/linux/mm.h:1599:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1599 | atomic_long_inc(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_dec_nr_pmds': include/linux/mm.h:1604:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1604 | atomic_long_dec(&mm->nr_pmds); | ^~~~~~~ | nr_ptes arch/mips/kernel/setup.c: At top level: arch/mips/kernel/setup.c:156:13: error: no previous prototype for 'memory_region_available' [-Werror=missing-prototypes] 156 | bool __init memory_region_available(phys_addr_t start, phys_addr_t size) | ^~~~~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/setup.c: In function 'bootmem_init': arch/mips/kernel/setup.c:443:25: error: comparison of unsigned expression < 0 is always false [-Werror=type-limits] 443 | } else if (min_low_pfn < ARCH_PFN_OFFSET) { | ^ cc1: all warnings being treated as errors -- In file included from arch/mips/include/asm/pgtable.h:665, from include/linux/mm.h:68, from arch/mips/kernel/signal.c:15: 15 | #error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{PUD,PMD}_FOLDED | ^~~~~ In file included from arch/mips/kernel/signal.c:15: include/linux/mm.h: In function 'mm_nr_pmds_init': 1589 | atomic_long_set(&mm->nr_pmds, 0); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_nr_pmds': include/linux/mm.h:1594:31: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1594 | return atomic_long_read(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_inc_nr_pmds': include/linux/mm.h:1599:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1599 | atomic_long_inc(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_dec_nr_pmds': include/linux/mm.h:1604:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1604 | atomic_long_dec(&mm->nr_pmds); | ^~~~~~~ | nr_ptes In file included from arch/mips/include/asm/sim.h:13, from arch/mips/kernel/signal.c:35: arch/mips/include/asm/asm-offsets.h: At top level: arch/mips/include/asm/asm-offsets.h:1:10: fatal error: generated/asm-offsets.h: No such file or directory 1 | #include <generated/asm-offsets.h> | ^~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. -- In file included from arch/mips/include/asm/pgtable.h:665, from include/linux/mm.h:68, from arch/mips/kernel/traps.c:25: 15 | #error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{PUD,PMD}_FOLDED | ^~~~~ In file included from arch/mips/kernel/traps.c:25: include/linux/mm.h: In function 'mm_nr_pmds_init': 1589 | atomic_long_set(&mm->nr_pmds, 0); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_nr_pmds': include/linux/mm.h:1594:31: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1594 | return atomic_long_read(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_inc_nr_pmds': include/linux/mm.h:1599:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1599 | atomic_long_inc(&mm->nr_pmds); | ^~~~~~~ | nr_ptes include/linux/mm.h: In function 'mm_dec_nr_pmds': include/linux/mm.h:1604:23: error: 'struct mm_struct' has no member named 'nr_pmds'; did you mean 'nr_ptes'? 1604 | atomic_long_dec(&mm->nr_pmds); | ^~~~~~~ | nr_ptes arch/mips/kernel/traps.c: At top level: arch/mips/kernel/traps.c:357:6: error: no previous prototype for 'show_registers' [-Werror=missing-prototypes] 357 | void show_registers(struct pt_regs *regs) | ^~~~~~~~~~~~~~ arch/mips/kernel/traps.c:438:17: error: no previous prototype for 'do_be' [-Werror=missing-prototypes] 438 | asmlinkage void do_be(struct pt_regs *regs) | ^~~~~ arch/mips/kernel/traps.c:699:17: error: no previous prototype for 'do_ov' [-Werror=missing-prototypes] 699 | asmlinkage void do_ov(struct pt_regs *regs) | ^~~~~ arch/mips/kernel/traps.c:835:17: error: no previous prototype for 'do_fpe' [-Werror=missing-prototypes] 835 | asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31) | ^~~~~~ arch/mips/kernel/traps.c:958:17: error: no previous prototype for 'do_bp' [-Werror=missing-prototypes] 958 | asmlinkage void do_bp(struct pt_regs *regs) | ^~~~~ arch/mips/kernel/traps.c:1050:17: error: no previous prototype for 'do_tr' [-Werror=missing-prototypes] 1050 | asmlinkage void do_tr(struct pt_regs *regs) | ^~~~~ arch/mips/kernel/traps.c:1092:17: error: no previous prototype for 'do_ri' [-Werror=missing-prototypes] 1092 | asmlinkage void do_ri(struct pt_regs *regs) | ^~~~~ arch/mips/kernel/traps.c:1365:17: error: no previous prototype for 'do_cpu' [-Werror=missing-prototypes] 1365 | asmlinkage void do_cpu(struct pt_regs *regs) | ^~~~~~ arch/mips/kernel/traps.c:1462:17: error: no previous prototype for 'do_msa_fpe' [-Werror=missing-prototypes] 1462 | asmlinkage void do_msa_fpe(struct pt_regs *regs, unsigned int msacsr) | ^~~~~~~~~~ arch/mips/kernel/traps.c:1482:17: error: no previous prototype for 'do_msa' [-Werror=missing-prototypes] 1482 | asmlinkage void do_msa(struct pt_regs *regs) | ^~~~~~ arch/mips/kernel/traps.c:1503:17: error: no previous prototype for 'do_mdmx' [-Werror=missing-prototypes] 1503 | asmlinkage void do_mdmx(struct pt_regs *regs) | ^~~~~~~ arch/mips/kernel/traps.c:1515:17: error: no previous prototype for 'do_watch' [-Werror=missing-prototypes] 1515 | asmlinkage void do_watch(struct pt_regs *regs) | ^~~~~~~~ arch/mips/kernel/traps.c:1543:17: error: no previous prototype for 'do_mcheck' [-Werror=missing-prototypes] 1543 | asmlinkage void do_mcheck(struct pt_regs *regs) | ^~~~~~~~~ arch/mips/kernel/traps.c: In function 'do_mcheck': arch/mips/kernel/traps.c:1546:17: error: variable 'prev_state' set but not used [-Werror=unused-but-set-variable] 1546 | enum ctx_state prev_state; | ^~~~~~~~~~ arch/mips/kernel/traps.c: At top level: arch/mips/kernel/traps.c:1574:17: error: no previous prototype for 'do_mt' [-Werror=missing-prototypes] 1574 | asmlinkage void do_mt(struct pt_regs *regs) | ^~~~~ arch/mips/kernel/traps.c:1610:17: error: no previous prototype for 'do_dsp' [-Werror=missing-prototypes] 1610 | asmlinkage void do_dsp(struct pt_regs *regs) | ^~~~~~ arch/mips/kernel/traps.c:1618:17: error: no previous prototype for 'do_reserved' [-Werror=missing-prototypes] 1618 | asmlinkage void do_reserved(struct pt_regs *regs) | ^~~~~~~~~~~ arch/mips/kernel/traps.c:1794:17: error: no previous prototype for 'cache_parity_error' [-Werror=missing-prototypes] 1794 | asmlinkage void cache_parity_error(void) | ^~~~~~~~~~~~~~~~~~ arch/mips/kernel/traps.c:1842:17: error: no previous prototype for 'do_ftlb' [-Werror=missing-prototypes] 1842 | asmlinkage void do_ftlb(void) | ^~~~~~~ arch/mips/kernel/traps.c:1875:6: error: no previous prototype for 'ejtag_exception_handler' [-Werror=missing-prototypes] 1875 | void ejtag_exception_handler(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/traps.c:1920:17: error: no previous prototype for 'nmi_exception_handler' [-Werror=missing-prototypes] 1920 | void __noreturn nmi_exception_handler(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors .. vim +15 include/asm-generic/pgtable.h fbd71844852c94 Ben Hutchings 2011-02-27 12 235a8f0286d3de Kirill A. Shutemov 2015-04-14 13 #if 4 - defined(__PAGETABLE_PUD_FOLDED) - defined(__PAGETABLE_PMD_FOLDED) != \ 235a8f0286d3de Kirill A. Shutemov 2015-04-14 14 CONFIG_PGTABLE_LEVELS 235a8f0286d3de Kirill A. Shutemov 2015-04-14 @15 #error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{PUD,PMD}_FOLDED 235a8f0286d3de Kirill A. Shutemov 2015-04-14 16 #endif 235a8f0286d3de Kirill A. Shutemov 2015-04-14 17 :::::: The code at line 15 was first introduced by commit :::::: 235a8f0286d3de5754322e9b4abd472ed4d57209 mm: define default PGTABLE_LEVELS to two :::::: TO: Kirill A. Shutemov <kirill.shutemov(a)linux.intel.com&gt; :::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org