Thread (12 messages) flat view 12 messages, 5 authors, 2012-09-05

Re: 3.5+: yaboot, Invalid memory access

From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2012-09-04 19:49:31

On Tue, 2012-09-04 at 10:27 -0400, Steven Rostedt wrote:
As a test case, continuing on error is fine, but I would not recommend
that as a fix. If it fails, but still does the patch, that could be
harmful, and confusing of a result.

Need to figure out why put_user is failing. 
It's probably not failiing... it's just called in a context in very
early boot on ppc32 where the might_sleep() test in there will trip
(because we are running before we are operating at our link address) and
will crash horribly.

I'll try to figure out a good way to fix this today.

Cheers,
Ben.
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