[PATCH 5/6] reservation: add support for fences to enable cross-device synchronisation (original) (raw)
Maarten Lankhorst maarten.lankhorst at canonical.com
Mon Feb 17 07:58:26 PST 2014
- Previous message: [PATCH 4/6] android: convert sync to fence api, v4
- Next message: [PATCH 5/6] reservation: add support for fences to enable cross-device synchronisation
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Signed-off-by: Maarten Lankhorst <maarten.lankhorst at canonical.com>
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 at linaro.org>
- Rob Clark <robdclark at gmail.com>
- Maarten Lankhorst <maarten.lankhorst at canonical.com>
- Thomas Hellstrom
- @@ -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); }
- Previous message: [PATCH 4/6] android: convert sync to fence api, v4
- Next message: [PATCH 5/6] reservation: add support for fences to enable cross-device synchronisation
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]