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From: Chuck Ebbert <cebbert@redhat.com>
To: Arjan van de Ven <arjan@infradead.org>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu
Subject: Re: x86: Add the "print code before the trapping instruction" feature to 64 bit
Date: Thu, 10 Jan 2008 14:54:55 -0500	[thread overview]
Message-ID: <4786780F.90302@redhat.com> (raw)
In-Reply-To: <20080110084739.5ba72522@laptopd505.fenrus.org>

On 01/10/2008 11:47 AM, Arjan van de Ven 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...


  reply	other threads:[~2008-01-10 19:55 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-10 16:47 x86: Add the "print code before the trapping instruction" feature to 64 bit Arjan van de Ven
2008-01-10 19:54 ` Chuck Ebbert [this message]
2008-01-14  8:50   ` Ingo Molnar

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