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    Subject[PATCH 5.4 176/214] ia64: fix build error with !COREDUMP
    Date
    From: Krzysztof Kozlowski <krzk@kernel.org>

    commit 7404840d87557c4092bf0272bce5e0354c774bf9 upstream.

    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")
    Reported-by: kernel test robot <lkp@intel.com>
    Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Cc: Tony Luck <tony.luck@intel.com>
    Cc: Fenghua Yu <fenghua.yu@intel.com>
    Cc: <stable@vger.kernel.org>
    Link: https://lkml.kernel.org/r/20200819064146.12529-1-krzk@kernel.org
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

    --- a/arch/ia64/kernel/Makefile
    +++ b/arch/ia64/kernel/Makefile
    @@ -41,7 +41,7 @@ obj-y += esi_stub.o # must be in kern
    endif
    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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