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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2019-12-22 23:35:58 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-12-23 13:08:47 +0000 |
| commit | 6a8679c048eb104dbcc6aa43a0baa7450de46503 (patch) | |
| tree | 5a8d237b517620b18fa9d8518d3a2272d1008366 /drivers/gpu/drm/i915/gt/intel_context_types.h | |
| parent | drm/i915: Introduce a vma.kref (diff) | |
| download | linux-dev-6a8679c048eb104dbcc6aa43a0baa7450de46503.tar.xz linux-dev-6a8679c048eb104dbcc6aa43a0baa7450de46503.zip | |
drm/i915: Mark the GEM context link as RCU protected
The only protection for intel_context.gem_cotext is granted by RCU, so
annotate it as a rcu protected pointer and carefully dereference it in
the few occasions we need to use it.
Fixes: 9f3ccd40acf4 ("drm/i915: Drop GEM context as a direct link from i915_request")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Acked-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191222233558.2201901-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_context_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_context_types.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_context_types.h b/drivers/gpu/drm/i915/gt/intel_context_types.h index 7dd03ad9826c..9527a659546c 100644 --- a/drivers/gpu/drm/i915/gt/intel_context_types.h +++ b/drivers/gpu/drm/i915/gt/intel_context_types.h @@ -44,7 +44,7 @@ struct intel_context { #define intel_context_inflight_count(ce) ptr_unmask_bits((ce)->inflight, 2) struct i915_address_space *vm; - struct i915_gem_context *gem_context; + struct i915_gem_context __rcu *gem_context; struct list_head signal_link; struct list_head signals; |