On Mon, 2009-01-19 at 13:00 -0800, Jesse Barnes wrote: > This should help avoid problems with unsupported userspace programs or > configurations running on top of a KMS enabled driver. Updates the > ioremap to nocache as well, since that's really what we want to track. > > Signed-off-by: Jesse Barnes <jbar...@virtuousgeek.org>
For the record: the reason I've avoided doing this one is that when jbarnes and I talked, we figured that this prevents userland from mapping at all, though we really only care about preventing write mapping of the registers/aperture. Since we've still got a bunch of really useful userland tools for debugging that rely on read-only mapping of registers, we're pending this until we get that information into the kernel somehow. -- Eric Anholt e...@anholt.net eric.anh...@intel.com
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