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    Subject[PATCH 4.9 244/245] mips: disable branch profiling in boot/decompress.o
    Date
    From: Randy Dunlap <rdunlap@infradead.org>

    [ Upstream commit 97e488073cfca0eea84450169ca4cbfcc64e33e3 ]

    Use DISABLE_BRANCH_PROFILING for arch/mips/boot/compressed/decompress.o
    to prevent linkage errors.

    mips64-linux-ld: arch/mips/boot/compressed/decompress.o: in function `LZ4_decompress_fast_extDict':
    decompress.c:(.text+0x8c): undefined reference to `ftrace_likely_update'
    mips64-linux-ld: decompress.c:(.text+0xf4): undefined reference to `ftrace_likely_update'
    mips64-linux-ld: decompress.c:(.text+0x200): undefined reference to `ftrace_likely_update'
    mips64-linux-ld: decompress.c:(.text+0x230): undefined reference to `ftrace_likely_update'
    mips64-linux-ld: decompress.c:(.text+0x320): undefined reference to `ftrace_likely_update'
    mips64-linux-ld: arch/mips/boot/compressed/decompress.o:decompress.c:(.text+0x3f4): more undefined references to `ftrace_likely_update' follow

    Fixes: e76e1fdfa8f8 ("lib: add support for LZ4-compressed kernel")
    Reported-by: kernel test robot <lkp@intel.com>
    Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
    Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
    Cc: linux-mips@vger.kernel.org
    Cc: Kyungsik Lee <kyungsik.lee@lge.com>
    Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/mips/boot/compressed/decompress.c | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c
    index 3a015e41b762..66096c766a60 100644
    --- a/arch/mips/boot/compressed/decompress.c
    +++ b/arch/mips/boot/compressed/decompress.c
    @@ -11,6 +11,8 @@
    * option) any later version.
    */

    +#define DISABLE_BRANCH_PROFILING
    +
    #include <linux/types.h>
    #include <linux/kernel.h>
    #include <linux/string.h>
    --
    2.30.2


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