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    Subject[PATCH AUTOSEL 4.14 29/32] RISC-V: include linux/ftrace.h in asm-prototypes.h
    Date
    From: James Cowgill <jcowgill@debian.org>

    [ Upstream commit 57a489786de9ec37d6e25ef1305dc337047f0236 ]

    Building a riscv kernel with CONFIG_FUNCTION_TRACER and
    CONFIG_MODVERSIONS enabled results in these two warnings:

    MODPOST vmlinux.o
    WARNING: EXPORT symbol "return_to_handler" [vmlinux] version generation failed, symbol will not be versioned.
    WARNING: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.

    When exporting symbols from an assembly file, the MODVERSIONS code
    requires their prototypes to be defined in asm-prototypes.h (see
    scripts/Makefile.build). Since both of these symbols have prototypes
    defined in linux/ftrace.h, include this header from RISC-V's
    asm-prototypes.h.

    Reported-by: Karsten Merker <merker@debian.org>
    Signed-off-by: James Cowgill <jcowgill@debian.org>
    Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
    Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
    ---
    arch/riscv/include/asm/asm-prototypes.h | 7 +++++++
    1 file changed, 7 insertions(+)
    create mode 100644 arch/riscv/include/asm/asm-prototypes.h

    diff --git a/arch/riscv/include/asm/asm-prototypes.h b/arch/riscv/include/asm/asm-prototypes.h
    new file mode 100644
    index 000000000000..c9fecd120d18
    --- /dev/null
    +++ b/arch/riscv/include/asm/asm-prototypes.h
    @@ -0,0 +1,7 @@
    +/* SPDX-License-Identifier: GPL-2.0 */
    +#ifndef _ASM_RISCV_PROTOTYPES_H
    +
    +#include <linux/ftrace.h>
    +#include <asm-generic/asm-prototypes.h>
    +
    +#endif /* _ASM_RISCV_PROTOTYPES_H */
    --
    2.17.1
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