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

[Tom Rini]

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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