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Open Source and information security mailing list archives
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Date: Mon, 14 Jan 2008 09:50:27 +0100 From: Ingo Molnar <mingo@...e.hu> To: Chuck Ebbert <cebbert@...hat.com> Cc: Arjan van de Ven <arjan@...radead.org>, linux-kernel@...r.kernel.org, Linus Torvalds <torvalds@...ux-foundation.org> Subject: Re: x86: Add the "print code before the trapping instruction" feature to 64 bit * Chuck Ebbert <cebbert@...hat.com> wrote: > > Subject: x86: Add the "print code before the trapping instruction" feature to 64 bit > > From: Arjan van de Ven <arjan@...ux.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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