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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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