From: Rusty Russell <rusty@rustcorp.com.au>
Date: Mon, 22 Oct 2007 01:24:24 +0000 (+1000)
Subject: generalize lgread_u32/lgwrite_u32.
X-Git-Tag: v2.6.24-rc1~28^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d37f94a28170ca656438758fca577acb49a7932;p=pandora-kernel.git

generalize lgread_u32/lgwrite_u32.

Jes complains that page table code still uses lgread_u32 even though
it now uses general kernel pte types.  The best thing to do is to
generalize lgread_u32 and lgwrite_u32.

This means we lose the efficiency of getuser().  We could potentially
regain it if we used __copy_from_user instead of copy_from_user, but
I'm not certain that our range check is equivalent to access_ok() on
all platforms.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Jes Sorensen <jes@sgi.com>
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