As kmalloc is allowed to block (if given the right flags), mark up the
two i915_sw_fence routines that may call kmalloc as potential sleeping
routines.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_sw_fence.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c
index e8ca67a129d2..1212b04604be 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence.c
@@ -303,6 +303,7 @@ static int __i915_sw_fence_await_sw_fence(struct i915_sw_fence *fence,
int pending;
debug_fence_assert(fence);
+ might_sleep_if(gfpflags_allow_blocking(gfp));
if (i915_sw_fence_done(signaler))
return 0;
@@ -418,6 +419,7 @@ int i915_sw_fence_await_dma_fence(struct i915_sw_fence *fence,
int ret;
debug_fence_assert(fence);
+ might_sleep_if(gfpflags_allow_blocking(gfp));
if (dma_fence_is_signaled(dma))
return 0;
@@ -464,6 +466,7 @@ int i915_sw_fence_await_reservation(struct i915_sw_fence *fence,
int ret = 0, pending;
debug_fence_assert(fence);
+ might_sleep_if(gfpflags_allow_blocking(gfp));
if (write) {
struct dma_fence **shared;
--
2.15.1
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