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    SubjectRe: [PATCH] [3/3] Fix unwind annotations for 64bit kernel
    >>> Andi Kleen <> 06.12.09 15:13 >>>
    >From Jan Beulich <>
    >This is an older patch from Jan Beulich to fix various problems
    >with the dwarf2 CFI unwind annotations in 64bit entry_64.S/head_64.S
    >CFI annotations are needed for reliable backtraces with
    >gdb, systemtap and other unwinders.
    >[AK: I keep forward porting it to to newer kernels for my own use,
    >but it should be really just included. So I'm submitting it on Jan's

    So do we, but the initial submission was rejected due to doing too many
    things at once. I didn't since find time (admittedly also because not
    giving it priority) to split the patch. Thanks for giving it another try!

    >Signed-off-by: Andi Kleen <>

    Signed-off-by: Jan Beulich <>


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