From: Andi Kleen <ak@suse.de>
To: Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] x86 NUMA panic compile error
Date: Tue, 16 May 2006 11:22:07 +0200
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Cc: Dave Hansen <haveblue@us.ibm.com>, Andrew Morton <akpm@osdl.org>,
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> As you suggested a few weeks ago the real solution would be a dwarf 
> parser. Maybe ia64's could be taken? 

Ia64's would be a lot of work.

> (and it works fine across irq/exception stacks too.)

It didn't work at all through the old locks/semaphore stubs.

> > I think i386 only gained it very recently, so it can't be _that_ big a 
> > problem.
> 
> i certainly used exact backtraces on i386 for many many years.

The patch into mainline went in in mid 2004. 

http://www.kernel.org/git/?p=linux/kernel/git/tglx/history.git;a=commit;h=066479e379f387e5b1da0f1149fe0b97bac58888


-Andi
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