diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2018-10-25 10:18:23 +0100 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2018-11-06 17:17:19 +0200 |
| commit | 085603287452fc96376ed4888bf29f8c095d2b40 (patch) | |
| tree | 40dc4f11ea378ec01518951aa8f93a48e66f59be /drivers/gpu/drm/i915/gvt/gtt.h | |
| parent | c58281056a8b26d5d9dc15c19859a7880835ef44 (diff) | |
drm/i915: Compare user's 64b GTT offset even on 32b
Beware mixing unsigned long constants and 64b values, as on 32b the
constant will be zero extended and discard the high 32b when used as
a mask!
Reported-by: Sergii Romantsov <sergii.romantsov@globallogic.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108282
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181025091823.20571-2-chris@chris-wilson.co.uk
(cherry picked from commit 6fc4e48f9ed46e9adff236a0c350074aafa3b7fa)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gtt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gtt.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h index 7a9b36176efb..bfb6f652b09f 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.h +++ b/drivers/gpu/drm/i915/gvt/gtt.h @@ -35,7 +35,6 @@ #define _GVT_GTT_H_ #define I915_GTT_PAGE_SHIFT 12 -#define I915_GTT_PAGE_MASK (~(I915_GTT_PAGE_SIZE - 1)) struct intel_vgpu_mm; |