Date: Mon, 14 Jan 2008 09:50:27 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Chuck Ebbert <cebbert@redhat.com>
Cc: Arjan van de Ven <arjan@infradead.org>, linux-kernel@vger.kernel.org,
       Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: x86: Add the "print code before the trapping instruction"
	feature to 64 bit
Message-ID: <20080114085026.GA26367@elte.hu>
References: <20080110084739.5ba72522@laptopd505.fenrus.org> <4786780F.90302@redhat.com>
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* Chuck Ebbert <cebbert@redhat.com> wrote:

> > Subject: x86: Add the "print code before the trapping instruction" feature to 64 bit
> > From: Arjan van de Ven <arjan@linux.intel.com>
> > 
> > The 32 bit x86 tree has a very useful feature that prints the Code: 
> > line for the code even before the trapping instrution (and the start 
> > of the trapping instruction is then denoted with a <>). 
> > Unfortunately, the 64 bit x86 tree does not yet have this feature, 
> > making diagnosing backtraces harder than needed.
> > 
> > This patch adds this feature in the same was as the 32 bit tree has 
> > (including the same kernel boot parameter), and including a bugfix 
> > to make the code use probe_kernel_address() rarther than a buggy 
> > (deadlocking) __get_user.
> > 
> 
> If this get accepted I can stop ignoring x86_64 oops reports...

yep - all of Arjan's patches are in x86.git. (right now with a merge 
target of v2.6.25)

	Ingo
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