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Date:   Sat, 11 Aug 2018 20:19:52 +0200
From:   Stefan Agner <>
To:     Russell King - ARM Linux <>
Subject: Re: [PATCH] ARM: drop experimental mark for ARM stack unwinding

On 11.08.2018 18:57, Russell King - ARM Linux wrote:
> On Sat, Aug 11, 2018 at 12:31:27PM +0200, Stefan Agner wrote:
>> ARM stack unwinding is upstream since 2009 and has been proven
>> working well. At this time it is the preferred stack unwinding
>> support since it also supports Thumb 2. Do not scare people
>> and drop the EXPERIMENTAL mark.
> Actually, there are still cases where we're missing the annotations -
> I've seen them in various oops dumps, but I forget where they are.
> What I do remember is that they didn't seem trivial to fix at the
> time, so it's still recommended that frame pointers are used if you
> want to guarantee getting a debuggable oops dump.

Ok, but does that warrants the experimental mark?

Experimental sounds rather harsh to me. People might disable it because
of that... I'd rather have a >90% chance of having a good stack trace
than none at all.


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