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    Subject[PATCH 6/7] ftrace,ppc32: enabled dynamic ftrace
    Impact: enable dynamic ftrace for PPC32

    This patch adds the necessary hooks to get PPC32 dynamic ftrace working.
    It does not handle modules. They are ignored by this patch.

    Signed-off-by: Steven Rostedt <srostedt@redhat.com>
    ---
    arch/powerpc/Kconfig | 2 +-
    scripts/recordmcount.pl | 7 ++++++-
    2 files changed, 7 insertions(+), 2 deletions(-)

    diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
    index 99d9500..efcc2c4 100644
    --- a/arch/powerpc/Kconfig
    +++ b/arch/powerpc/Kconfig
    @@ -108,7 +108,7 @@ config ARCH_NO_VIRT_TO_BUS
    config PPC
    bool
    default y
    - select HAVE_FTRACE_MCOUNT_RECORD if PPC64
    + select HAVE_FTRACE_MCOUNT_RECORD
    select HAVE_DYNAMIC_FTRACE
    select HAVE_FUNCTION_TRACER
    select ARCH_WANT_OPTIONAL_GPIOLIB
    diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
    index 7acbe17..48609e9 100755
    --- a/scripts/recordmcount.pl
    +++ b/scripts/recordmcount.pl
    @@ -178,7 +178,12 @@ if ($arch eq "x86_64") {
    $section_regex = "Disassembly of section\\s+(\\S+):";
    $function_regex = "^([0-9a-fA-F]+)\\s+<(\\.?.*?)>:";
    $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s\\.?_mcount\$";
    - $type = ".quad";
    + if ($bits == 64) {
    + $type = ".quad";
    + } else {
    + $type = ".long";
    + }
    +
    } else {
    die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD";
    }
    --
    1.5.6.5
    --


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