Messages in this thread | | | Subject | Re: [PATCH] x86: Add support for 64bit get_user() on x86-32 | From | "H. Peter Anvin" <> | Date | Fri, 08 Feb 2013 11:08:52 -0800 |
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Yes, or anything else getting a pointer in memory from user space.
"Ville Syrjälä" <ville.syrjala@linux.intel.com> wrote:
>On Fri, Feb 08, 2013 at 09:30:05AM -0800, H. Peter Anvin wrote: >> On 02/08/2013 08:24 AM, Ville Syrjälä wrote: >> >> >> >> How have you tested it? >> > >> > I've tried it with my drm/kms atomic pageflip/modeset code. I also >had >> > a small test module that did a couple of different sized get_user() >> > calls, but I'll be damned if I can find it again. >> > >> >> Did you see the warning spewage for pointers when you built it? > >Apparently my config was too small to genenerate enough of those to >catch >my eye. Most of those seem to come from drivers that have pointers in >their >ioctl structs, no?
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