On Tue, 15 Oct 2019 04:27:01 +0800 kbuild test robot <lkp(a)intel.com> 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(a)intel.com>
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(a)linux-foundation.org>
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(a)arm.com>
Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org>
---
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 */
_