diff options
| author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2019-03-05 11:04:08 +0000 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2019-03-08 09:52:55 -0800 |
| commit | ca22f32a6296cbfa29de56328c8505560a18cfa8 (patch) | |
| tree | d8557ac9f0e9b7679debbcf1b711854a045aaf02 /crypto/testmgr.h | |
| parent | c8c16f59b3d814a72d81e291d101d093b1383056 (diff) | |
| download | linux-ca22f32a6296cbfa29de56328c8505560a18cfa8.tar.bz2 | |
drm/i915: Relax mmap VMA check
Legacy behaviour was to allow non-page-aligned mmap requests, as does the
linux mmap(2) implementation by virtue of automatically rounding up for
the caller.
To avoid breaking legacy userspace relax the newly introduced fix.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: 5c4604e757ba ("drm/i915: Prevent a race during I915_GEM_MMAP ioctl with WC set")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Cc: Adam Zabrocki <adamza@microsoft.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: <stable@vger.kernel.org> # v4.0+
Cc: Akash Goel <akash.goel@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190305110409.28633-1-tvrtko.ursulin@linux.intel.com
(cherry picked from commit a90e1948efb648f567444f87f3c19b2a0787affd)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'crypto/testmgr.h')
0 files changed, 0 insertions, 0 deletions