put_user and wp on i386
=?iso-8859-1?Q?Mika_Penttil=E4?= (mjp@iki.fi)
Tue, 4 Jan 2000 15:23:36 +0200
The i386 version of the put_user(x, ptr) macro doesn't do wp_works_ok- checking. Also many drivers call put_user() without calling verify_area() before. Doesn't this lead to corruption with cow pages on a real i386 (wp doesn't work) ?
--Mika
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