Re: [patch 1/3] x86_64: Add a notify_die() call to the "no context" part of do_page_fault()

From: Tom Rini (trini_at_kernel.crashing.org)
Date: 08/30/05

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    Date:	Tue, 30 Aug 2005 12:53:41 -0700
To: George Anzinger <george@mvista.com>

    On Tue, Aug 30, 2005 at 07:50:31AM -0700, George Anzinger wrote:
    > Tom Rini wrote:
    [snip]
    > >"no context" is the label we're in, in the code. What it's actually
    > >used for is "hey, we (== kgdb) tried to read/write a very very bogus
    > >addr, time to longjmp". If it's not true that kgdb is at fault then we
    > >drop to the debugger anyhow, and the user can see where they came from.
    > >
    > No. What the user sees is the offending code (i.e. prior to the trap to
    > page_fault), NOT how kgdb happend to be called. The "no_context" is IN
    > the _context_ of page_fault, but that is lost by the time you get to
    > kgdb and ask to see _why_ (via, hint, hint: "p kgdb_info").

    So you're suggesting changing what we pass in so that if we also modify
    kgdb_info to contain the 'where' thing you talked about before, it would
    be more useful, yes? If so, I think that can wait just a bit. :) 

    -- 
Tom Rini
http://gate.crashing.org/~trini/
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