[PATCH 4/5] drm/nv50: let applications hanging on vm flush to be killed

Marcin Slusarz marcin.slusarz at gmail.com
Sun Apr 22 15:18:31 PDT 2012


Signed-off-by: Marcin Slusarz <marcin.slusarz at gmail.com>
---
 drivers/gpu/drm/nouveau/nv50_graph.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c
index 6899547..a61853f 100644
--- a/drivers/gpu/drm/nouveau/nv50_graph.c
+++ b/drivers/gpu/drm/nouveau/nv50_graph.c
@@ -435,6 +435,11 @@ nv84_graph_tlb_flush(struct drm_device *dev, int engine)
 			if ((tmp & 7) == 1)
 				idle = false;
 		}
+
+		if (fatal_signal_pending(current)) {
+			ret = -ERESTARTSYS;
+			break;
+		}
 	} while (!idle && !(timeout = ptimer->read(dev) - start > 2000000000));
 
 	if (timeout) {
-- 
1.7.8.5



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