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    Subject[tip: x86/core] objtool: Have WARN_FUNC fall back to sym+off
    The following commit has been merged into the x86/core branch of tip:

    Commit-ID: 03232d0842453f256c278c377f9646e45eb57d98
    Gitweb: https://git.kernel.org/tip/03232d0842453f256c278c377f9646e45eb57d98
    Author: Peter Zijlstra <peterz@infradead.org>
    AuthorDate: Tue, 08 Mar 2022 16:30:16 +01:00
    Committer: Peter Zijlstra <peterz@infradead.org>
    CommitterDate: Tue, 08 Mar 2022 23:53:27 +01:00

    objtool: Have WARN_FUNC fall back to sym+off

    Currently WARN_FUNC() either prints func+off and failing that prints
    sec+off, add an intermediate sym+off. This is useful when playing
    around with entry code.

    Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
    Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
    Link: https://lore.kernel.org/r/20220308154317.461283840@infradead.org
    ---
    tools/objtool/include/objtool/warn.h | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/tools/objtool/include/objtool/warn.h b/tools/objtool/include/objtool/warn.h
    index d99c467..802cfda 100644
    --- a/tools/objtool/include/objtool/warn.h
    +++ b/tools/objtool/include/objtool/warn.h
    @@ -22,6 +22,8 @@ static inline char *offstr(struct section *sec, unsigned long offset)
    unsigned long name_off;

    func = find_func_containing(sec, offset);
    + if (!func)
    + func = find_symbol_containing(sec, offset);
    if (func) {
    name = func->name;
    name_off = offset - func->offset;
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