Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx>
---
include/linux/reservation.h | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/include/linux/reservation.h b/include/linux/reservation.h
index 813dae960ebd..92c4851b5a39 100644
--- a/include/linux/reservation.h
+++ b/include/linux/reservation.h
@@ -6,7 +6,7 @@
* Copyright (C) 2012 Texas Instruments
*
* Authors:
- * Rob Clark <rob.clark@xxxxxxxxxx>
+ * Rob Clark <robdclark@xxxxxxxxx>
* Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx>
* Thomas Hellstrom <thellstrom-at-vmware-dot-com>
*
@@ -40,22 +40,38 @@
#define _LINUX_RESERVATION_H
#include <linux/ww_mutex.h>
+#include <linux/fence.h>
extern struct ww_class reservation_ww_class;
struct reservation_object {
struct ww_mutex lock;
+
+ struct fence *fence_excl;
+ struct fence **fence_shared;
+ u32 fence_shared_count, fence_shared_max;
};
static inline void
reservation_object_init(struct reservation_object *obj)
{
ww_mutex_init(&obj->lock, &reservation_ww_class);
+
+ obj->fence_shared_count = obj->fence_shared_max = 0;
+ obj->fence_shared = NULL;
+ obj->fence_excl = NULL;
}
static inline void
reservation_object_fini(struct reservation_object *obj)
{
+ int i;
+
+ if (obj->fence_excl)
+ fence_put(obj->fence_excl);
+ for (i = 0; i < obj->fence_shared_count; ++i)
+ fence_put(obj->fence_shared[i]);
+
ww_mutex_destroy(&obj->lock);
}
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