On Tue, 15 Oct 2019 04:27:01 +0800 kbuild test robot <lkp@xxxxxxxxx> wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 4eeb5abd245d849a4692325339a94566953363d6 > commit: e3bcb4e7474a0e671e89ed5f731973287376b754 [4446/4746] mm/debug: add tests validating architecture page table helpers > config: ia64-allmodconfig (attached as .config) > compiler: ia64-linux-gcc (GCC) 7.4.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout e3bcb4e7474a0e671e89ed5f731973287376b754 > # save the attached .config to linux build tree > GCC_VERSION=7.4.0 make.cross ARCH=ia64 > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > include/asm-generic/pgtable.h: Assembler messages: > >> include/asm-generic/pgtable.h:1193: Error: Unknown opcode `static inline void debug_vm_pgtable(void)' > arch/ia64/kernel/entry.S:70: Error: `mov' does not fit into bundle oops. Let's try this: From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: mm-debug-add-tests-validating-architecture-page-table-helpers-fix move include/asm-generic/pgtable.h changes insode #ifdef ASSEMBLY Cc: Anshuman Khandual <anshuman.khandual@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/asm-generic/pgtable.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) --- a/include/asm-generic/pgtable.h~mm-debug-add-tests-validating-architecture-page-table-helpers-fix +++ a/include/asm-generic/pgtable.h @@ -1157,6 +1157,12 @@ static inline bool arch_has_pfn_modify_c # define PAGE_KERNEL_EXEC PAGE_KERNEL #endif +#ifdef CONFIG_DEBUG_VM_PGTABLE +extern void debug_vm_pgtable(void); +#else +static inline void debug_vm_pgtable(void) { } +#endif + #endif /* !__ASSEMBLY__ */ #ifndef io_remap_pfn_range @@ -1187,10 +1193,4 @@ static inline bool arch_has_pfn_modify_c #define mm_pmd_folded(mm) __is_defined(__PAGETABLE_PMD_FOLDED) #endif -#ifdef CONFIG_DEBUG_VM_PGTABLE -extern void debug_vm_pgtable(void); -#else -static inline void debug_vm_pgtable(void) { } -#endif - #endif /* _ASM_GENERIC_PGTABLE_H */ _