From: Ben Pfaff <blp@cs.stanford.edu>
Date: Mon, 10 Nov 2008 04:07:40 +0000 (-0800)
Subject: Make backtraces slightly more reliable.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bb940d21474958a1d8ee2abffdcb6bac27918398;hp=bb940d21474958a1d8ee2abffdcb6bac27918398;p=pintos-anon

Make backtraces slightly more reliable.

We now ignore pointers that are not null but still clearly wild.

We could check that there's really a valid PDE and PTE (I think Linux
does this) but it would take more code and be ugly.
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