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* [patch 01/40] ia64: fix build error with !COREDUMP
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@ 2020-10-17 23:13 ` Andrew Morton
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From: Andrew Morton @ 2020-10-17 23:13 UTC (permalink / raw)
  To: akpm, fenghua.yu, krzk, linux-mm, lkp, mm-commits, stable,
	tony.luck, torvalds

From: Krzysztof Kozlowski <>
Subject: ia64: fix build error with !COREDUMP

Fix linkage error when CONFIG_BINFMT_ELF is selected but CONFIG_COREDUMP
is not:

    ia64-linux-ld: arch/ia64/kernel/elfcore.o: in function `elf_core_write_extra_phdrs':
    elfcore.c:(.text+0x172): undefined reference to `dump_emit'
    ia64-linux-ld: arch/ia64/kernel/elfcore.o: in function `elf_core_write_extra_data':
    elfcore.c:(.text+0x2b2): undefined reference to `dump_emit'

Fixes: 1fcccbac89f5 ("elf coredump: replace ELF_CORE_EXTRA_* macros by functions")
Signed-off-by: Krzysztof Kozlowski <>
Reported-by: kernel test robot <>
Cc: Tony Luck <>
Cc: Fenghua Yu <>
Cc: <>
Signed-off-by: Andrew Morton <>

 arch/ia64/kernel/Makefile |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/ia64/kernel/Makefile~ia64-fix-build-error-with-coredump
+++ a/arch/ia64/kernel/Makefile
@@ -40,7 +40,7 @@ obj-y				+= esi_stub.o	# must be in kern
 obj-$(CONFIG_INTEL_IOMMU)	+= pci-dma.o
-obj-$(CONFIG_BINFMT_ELF)	+= elfcore.o
+obj-$(CONFIG_ELF_CORE)		+= elfcore.o
 # fp_emulate() expects f2-f5,f16-f31 to contain the user-level state.
 CFLAGS_traps.o  += -mfixed-range=f2-f5,f16-f31

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2020-10-17 23:13 ` [patch 01/40] ia64: fix build error with !COREDUMP Andrew Morton

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