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Date: Thu, 15 May 2008 13:58:37 +1000
From: Paul Mackerras <paulus@samba.org>
To: michael@ellerman.id.au
Subject: Re: [patch 1/4] powerpc: fix for OProfile callgraph for Power 64
	bit user apps
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Michael Ellerman writes:

> __copy_from_user_inatomic() accepts any value for n, it just has a
> special case for 1, 2, 4 and 8 - but it should still work for other
> values.

There is a bug in __copy_from_user_inatomic that

http://patchwork.ozlabs.org/linuxppc/patch?id=18418

fixes, and I'm about to send that Linus-wards.

Carl, to what extent does that fix eliminate the need for the changes
in your patch?

Paul.