[Crash-utility] dis command not correct in crash [ ARM only ]

[Mika Westerberg]

On Wed, Mar 06, 2013 at 09:31:58AM -0500, Dave Anderson wrote:
> Right, I did see another googled-reference to other demangling/cloning
> text symbols with extensions added to them, but I want to be very careful
> not to throw the baby out with the bathwater.  
> 
> So far it does seem safe to truncate all of the ".isra." symbols.
> 
> But then I looked at the ".constprop." symbols, for example:
>  
>  crash> sym -q kzalloc
>  ffffffff81068060 (t) kzalloc.constprop.8
>  ffffffff8108c630 (t) kzalloc
>  ffffffff8134d1ee (t) kzalloc.constprop.2
>  ffffffff8134f1dd (t) kzalloc
>  ffffffff81358f5d (t) kzalloc
>  ffffffff8135ff7d (t) kzalloc
>  ffffffff813691fd (t) kzalloc
>  ffffffff813a53c0 (t) kzalloc
>  ffffffff813aca30 (t) kzalloc.constprop.3
>  ...
> 
> If I stripped them, a "dis kzalloc" would then select the
> first one it sees, which may not be the one of interest.
> I think that it would probably be more helpful, or at least
> safer, if they were left as is.

Agreed.

> And then there are the ".part." symbols with no preceding ".isra.".
> I haven't had the chance to study whether it's safe to strip
> them, but upon first glance they look strippable.  
> 
> But I want to do this carefully, perhaps also adding an invocation
> command line to opt-out of any stripping at all. 

OK, and the command line option sounds good too.