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    Subject[tip:perf/urgent] jump label: Make arch_jump_label_text_poke_early() optional
    Commit-ID:  95bcd683fb694a3e2d0538bf486430a0dfbb4111
    Gitweb: http://git.kernel.org/tip/95bcd683fb694a3e2d0538bf486430a0dfbb4111
    Author: Steven Rostedt <srostedt@redhat.com>
    AuthorDate: Fri, 29 Oct 2010 11:02:43 -0400
    Committer: Steven Rostedt <rostedt@goodmis.org>
    CommitDate: Fri, 29 Oct 2010 12:56:13 -0400

    jump label: Make arch_jump_label_text_poke_early() optional

    Some archs do not need to do anything special for jump labels on
    startup (like MIPS). This patch adds a weak function stub for
    arch_jump_label_text_poke_early();

    Cc: Jason Baron <jbaron@redhat.com>
    Cc: David Miller <davem@davemloft.net>
    Cc: David Daney <ddaney@caviumnetworks.com>
    Suggested-by: Thomas Gleixner <tglx@linutronix.de>
    LKML-Reference: <1286218615-24011-2-git-send-email-ddaney@caviumnetworks.com>
    LKML-Reference: <20101015201037.703989993@goodmis.org>
    Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
    ---
    kernel/jump_label.c | 7 +++++++
    1 files changed, 7 insertions(+), 0 deletions(-)

    diff --git a/kernel/jump_label.c b/kernel/jump_label.c
    index 12cce78..3b79bd9 100644
    --- a/kernel/jump_label.c
    +++ b/kernel/jump_label.c
    @@ -270,6 +270,13 @@ out:
    return conflict;
    }

    +/*
    + * Not all archs need this.
    + */
    +void __weak arch_jump_label_text_poke_early(jump_label_t addr)
    +{
    +}
    +
    static __init int init_jump_label(void)
    {
    int ret;

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