From 115cdb5a06b112674d9652ef44d7f19583ff0136 Mon Sep 17 00:00:00 2001
From: David McFarland <corngood@gmail.com>
Date: Wed, 26 Oct 2016 22:26:39 -0300
Subject: [PATCH 13/14] Remove dependency on System.map

---
 amd/backport/Makefile    |  3 +--
 amd/backport/kcl_fence.c | 10 ++++++++--
 amd/backport/symbols     |  3 ---
 3 files changed, 9 insertions(+), 7 deletions(-)
 delete mode 100644 amd/backport/symbols

diff --git a/amd/backport/Makefile b/amd/backport/Makefile
index dcc94d5..ef27e94 100644
--- a/amd/backport/Makefile
+++ b/amd/backport/Makefile
@@ -55,10 +55,9 @@ ccflags-y += -DOS_NAME_RHEL_7
 endif
 endif
 
-BACKPORT_OBJS = symbols.o
 endif
 
-BACKPORT_OBJS += kcl_drm.o kcl_ttm.o kcl_amdgpu.o kcl_fence.o kcl_mn.o
+BACKPORT_OBJS = kcl_drm.o kcl_ttm.o kcl_amdgpu.o kcl_fence.o kcl_mn.o
 
 amdgpu-y += $(addprefix ../backport/,$(BACKPORT_OBJS))
 
diff --git a/amd/backport/kcl_fence.c b/amd/backport/kcl_fence.c
index 8c697aa..85d96d3 100644
--- a/amd/backport/kcl_fence.c
+++ b/amd/backport/kcl_fence.c
@@ -25,8 +25,14 @@ struct default_wait_cb {
 	struct task_struct *task;
 };
 
-extern void
-(*fence_default_wait_cb)(struct fence *fence, struct fence_cb *cb);
+static void
+fence_default_wait_cb(struct fence *fence, struct fence_cb *cb)
+{
+	struct default_wait_cb *wait =
+		container_of(cb, struct default_wait_cb, base);
+
+	wake_up_process(wait->task);
+}
 
 signed long
 _kcl_fence_wait_any_timeout(struct fence **fences, uint32_t count,
diff --git a/amd/backport/symbols b/amd/backport/symbols
deleted file mode 100644
index 2d3f2ee..0000000
--- a/amd/backport/symbols
+++ /dev/null
@@ -1,3 +0,0 @@
-SYMS=""
-
-SYMS+="fence_default_wait_cb"
-- 
2.10.1