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    SubjectRe: [PATCH 0/2] jump label: update for .39
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    On Wed, 2011-03-09 at 15:47 -0500, Jason Baron wrote:
    > Hi,
    >
    > Re-fresh of updates against latest -tip tree.

    Thanks Jason,

    I started looking at them, I should have comments tomorrow (if I have
    any comments ;)

    >
    > I've tried to split this update up somewhat, but I've only succeeded to split
    > out the dynamic debug bits. The interface changes and re-write are quite
    > intertwined.
    >
    > I believe this update should address all the comments from the previous posting
    > except for Mathieu's request for a section of jump label pointers that point to
    > the jump label structures (since the compiler might leave gaps in the jump label
    > structures).

    The jump label structures is a list of 3 pointers, correct? I doubt that
    gcc would place any holes in it as they are ahl aligned by natural word
    size.

    > I've got a prototype patch to address this issue but its somewhat
    > invasive, and thus I'd like to leave it as a follow-up item. I have to date,
    > not seen this issue in practice.
    >
    > thanks,
    >
    > -Jason
    >
    >
    > Jason Baron (2):
    > jump label: introduce static_branch() interface
    > dynamic debug: add jump label support
    >
    > arch/mips/include/asm/jump_label.h | 22 +-
    > arch/mips/kernel/jump_label.c | 2 +-

    Could we get Ralf's acked-by for the mips code.

    > arch/sparc/include/asm/jump_label.h | 25 +-

    Could we get David Miller's Acked-by for sparc.

    Thanks,

    -- Steve

    > arch/x86/include/asm/alternative.h | 3 +-
    > arch/x86/include/asm/jump_label.h | 26 +-
    > arch/x86/kernel/alternative.c | 2 +-
    > arch/x86/kernel/jump_label.c | 2 +-
    > arch/x86/kernel/module.c | 1 +
    > include/asm-generic/vmlinux.lds.h | 14 +-
    > $include/linux/dynamic_debug.h | 44 +++-
    > include/linux/jump_label.h | 86 ++++---
    > include/linux/jump_label_ref.h | 44 ---
    > include/linux/perf_event.h | 26 +-
    > include/linux/tracepoint.h | 22 +-
    > kernel/jump_label.c | 537 ++++++++++++++---------------------
    > kernel/perf_event.c | 4 +-
    > kernel/tracepoint.c | 23 +-
    > lib/dynamic_debug.c | 4 +-
    > 18 files changed, 391 insertions(+), 496 deletions(-)
    > delete mode 100644 include/linux/jump_label_ref.h




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