linux-kernel - Re: [PATCH] [3/3] Fix unwind annotations for 64bit kernel

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Message-Id: <4B1CC28F0200007800024075@vpn.id2.novell.com>
Date:	Mon, 07 Dec 2009 07:53:35 +0000
From:	"Jan Beulich" <JBeulich@...ell.com>
To:	"Andi Kleen" <andi@...stfloor.org>, <akpm@...ux-foundation.org>
Cc:	<x86@...nel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] [3/3] Fix unwind annotations for 64bit kernel

>>> Andi Kleen <andi@...stfloor.org> 06.12.09 15:13 >>>
>
>>From Jan Beulich <jbeulich@...ell.com>
>
>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
>behalf]

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!

>Cc: jbeulich@...ell.com 
>Signed-off-by: Andi Kleen <ak@...ux.intel.com>

Signed-off-by: Jan Beulich <jbeulich@...ell.com>

Jan

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