From d2c6d950ed2c5882e7d501b6974e72be4d6da8a8 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue, 13 Dec 2011 15:04:10 +0000
Subject: [PATCH] sna: Mark upload buffers as unaccessible upon submission

Use valgrind to catch use-after-finish bugs.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 src/sna/kgem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index fca5cd7e..4887df54 100644
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -879,6 +879,7 @@ static void kgem_finish_partials(struct kgem *kgem)
 			bo->need_io = 0;
 		}
 
+		VG(VALGRIND_MAKE_MEM_NOACCESS(bo+1, bo->alloc));
 		kgem_bo_unref(kgem, &bo->base);
 	}
 }