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author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-12-12 21:06:51 +0300 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-12-13 16:17:44 +0300 |
commit | 2abe2f844645402e5d47012a04839d1c5cbffd0d (patch) | |
tree | 5d36295e28ae863e1e6cd3a014cb953d971a3fb3 /drivers/gpu/drm/i915/i915_gem_context.c | |
parent | e30a7581bfc2d5619fed03ec7321c9e4ffb7e36f (diff) | |
download | linux-2abe2f844645402e5d47012a04839d1c5cbffd0d.tar.xz |
drm/i915: Allow fence allocations to fail
If a fence allocation fails in a blocking context, we will sleep on the
fence as a last resort. We can therefore allow ourselves to fail and
sleep on the fence instead of triggering a system-wide oom. This allows
us to throttle malicious clients that are consuming lots of system
resources by capping the amount of memory used by fences.
Testcase: igt/gem_shrink/execbufX
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171212180652.22061-2-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_context.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 21ce374d9924..648e7536ff51 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -617,7 +617,7 @@ int i915_gem_switch_to_kernel_context(struct drm_i915_private *dev_priv) if (prev) i915_sw_fence_await_sw_fence_gfp(&req->submit, &prev->submit, - GFP_KERNEL); + I915_FENCE_GFP); } /* |