diff options
author | Ingo Molnar <mingo@kernel.org> | 2017-11-02 10:57:24 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2017-11-02 10:57:24 +0100 |
commit | 3357b0d3c7323d73806571192e9f633bb6ba3d54 (patch) | |
tree | a92fb225bfdda901783ad662a1fea0baddfb81e1 /drivers/gpu/drm/i915/i915_gem.c | |
parent | 82c62fa0c49aa305104013cee4468772799bb391 (diff) | |
parent | e27c310af5c05cf876d9cad006928076c27f54d4 (diff) |
Merge branch 'x86/mpx/prep' into x86/asm
Pick up some of the MPX commits that modify the syscall entry code,
to have a common base and to reduce conflicts.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index af289d35b77a..32e857dc507c 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2657,6 +2657,9 @@ i915_gem_object_pwrite_gtt(struct drm_i915_gem_object *obj, if (READ_ONCE(obj->mm.pages)) return -ENODEV; + if (obj->mm.madv != I915_MADV_WILLNEED) + return -EFAULT; + /* Before the pages are instantiated the object is treated as being * in the CPU domain. The pages will be clflushed as required before * use, and we can freely write into the pages directly. If userspace |