Patch "dma-buf/sw_sync: move timeline_fence_ops around" has been added to the 4.9-stable tree

[<gregkh@linuxfoundation.org>]

This is a note to let you know that I've just added the patch titled

    dma-buf/sw_sync: move timeline_fence_ops around

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     dma-buf-sw_sync-move-timeline_fence_ops-around.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 150b6a9d7d6fffb95c0a5349960a10569e8218b5 Mon Sep 17 00:00:00 2001
From: Gustavo Padovan <gustavo.padovan@collabora.com>
Date: Sat, 29 Jul 2017 12:22:15 -0300
Subject: dma-buf/sw_sync: move timeline_fence_ops around

From: Gustavo Padovan <gustavo.padovan@collabora.com>

commit 150b6a9d7d6fffb95c0a5349960a10569e8218b5 upstream.

We are going to use timeline_fence_signaled() in a internal function in
the next commit.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20170729152217.8362-1-gustavo@padovan.org
[s/dma_fence/fence/g - gregkh]
Cc: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/dma-buf/sw_sync.c |  138 +++++++++++++++++++++++-----------------------
 1 file changed, 69 insertions(+), 69 deletions(-)

--- a/drivers/dma-buf/sw_sync.c
+++ b/drivers/dma-buf/sw_sync.c
@@ -125,6 +125,75 @@ static void sync_timeline_put(struct syn
 	kref_put(&obj->kref, sync_timeline_free);
 }
 
+static const char *timeline_fence_get_driver_name(struct fence *fence)
+{
+	return "sw_sync";
+}
+
+static const char *timeline_fence_get_timeline_name(struct fence *fence)
+{
+	struct sync_timeline *parent = fence_parent(fence);
+
+	return parent->name;
+}
+
+static void timeline_fence_release(struct fence *fence)
+{
+	struct sync_pt *pt = fence_to_sync_pt(fence);
+	struct sync_timeline *parent = fence_parent(fence);
+
+	if (!list_empty(&pt->link)) {
+		unsigned long flags;
+
+		spin_lock_irqsave(fence->lock, flags);
+		if (!list_empty(&pt->link)) {
+			list_del(&pt->link);
+			rb_erase(&pt->node, &parent->pt_tree);
+		}
+		spin_unlock_irqrestore(fence->lock, flags);
+	}
+
+	sync_timeline_put(parent);
+	fence_free(fence);
+}
+
+static bool timeline_fence_signaled(struct fence *fence)
+{
+	struct sync_timeline *parent = fence_parent(fence);
+
+	return !__fence_is_later(fence->seqno, parent->value);
+}
+
+static bool timeline_fence_enable_signaling(struct fence *fence)
+{
+	return true;
+}
+
+static void timeline_fence_value_str(struct fence *fence,
+				    char *str, int size)
+{
+	snprintf(str, size, "%d", fence->seqno);
+}
+
+static void timeline_fence_timeline_value_str(struct fence *fence,
+					     char *str, int size)
+{
+	struct sync_timeline *parent = fence_parent(fence);
+
+	snprintf(str, size, "%d", parent->value);
+}
+
+static const struct fence_ops timeline_fence_ops = {
+	.get_driver_name = timeline_fence_get_driver_name,
+	.get_timeline_name = timeline_fence_get_timeline_name,
+	.enable_signaling = timeline_fence_enable_signaling,
+	.signaled = timeline_fence_signaled,
+	.wait = fence_default_wait,
+	.release = timeline_fence_release,
+	.fence_value_str = timeline_fence_value_str,
+	.timeline_value_str = timeline_fence_timeline_value_str,
+};
+
 /**
  * sync_timeline_signal() - signal a status change on a sync_timeline
  * @obj:	sync_timeline to signal
@@ -216,75 +285,6 @@ unlock:
 	return pt;
 }
 
-static const char *timeline_fence_get_driver_name(struct fence *fence)
-{
-	return "sw_sync";
-}
-
-static const char *timeline_fence_get_timeline_name(struct fence *fence)
-{
-	struct sync_timeline *parent = fence_parent(fence);
-
-	return parent->name;
-}
-
-static void timeline_fence_release(struct fence *fence)
-{
-	struct sync_pt *pt = fence_to_sync_pt(fence);
-	struct sync_timeline *parent = fence_parent(fence);
-
-	if (!list_empty(&pt->link)) {
-		unsigned long flags;
-
-		spin_lock_irqsave(fence->lock, flags);
-		if (!list_empty(&pt->link)) {
-			list_del(&pt->link);
-			rb_erase(&pt->node, &parent->pt_tree);
-		}
-		spin_unlock_irqrestore(fence->lock, flags);
-	}
-
-	sync_timeline_put(parent);
-	fence_free(fence);
-}
-
-static bool timeline_fence_signaled(struct fence *fence)
-{
-	struct sync_timeline *parent = fence_parent(fence);
-
-	return !__fence_is_later(fence->seqno, parent->value);
-}
-
-static bool timeline_fence_enable_signaling(struct fence *fence)
-{
-	return true;
-}
-
-static void timeline_fence_value_str(struct fence *fence,
-				    char *str, int size)
-{
-	snprintf(str, size, "%d", fence->seqno);
-}
-
-static void timeline_fence_timeline_value_str(struct fence *fence,
-					     char *str, int size)
-{
-	struct sync_timeline *parent = fence_parent(fence);
-
-	snprintf(str, size, "%d", parent->value);
-}
-
-static const struct fence_ops timeline_fence_ops = {
-	.get_driver_name = timeline_fence_get_driver_name,
-	.get_timeline_name = timeline_fence_get_timeline_name,
-	.enable_signaling = timeline_fence_enable_signaling,
-	.signaled = timeline_fence_signaled,
-	.wait = fence_default_wait,
-	.release = timeline_fence_release,
-	.fence_value_str = timeline_fence_value_str,
-	.timeline_value_str = timeline_fence_timeline_value_str,
-};
-
 /*
  * *WARNING*
  *


Patches currently in stable-queue which might be from gustavo.padovan@collabora.com are

queue-4.9/dma-buf-sw-sync-fix-the-is-signaled-test-to-handle-u32-wraparound.patch
queue-4.9/dma-buf-sw-sync-fix-locking-around-sync_timeline-lists.patch
queue-4.9/dma-buf-sw_sync-clean-up-list-before-signaling-the-fence.patch
queue-4.9/dma-buf-sw-sync-reduce-irqsave-irqrestore-from-known-context.patch
queue-4.9/dma-buf-sw_sync-move-timeline_fence_ops-around.patch
queue-4.9/dma-buf-sw-sync-prevent-user-overflow-on-timeline-advance.patch
queue-4.9/dma-buf-sw_sync-force-signal-all-unsignaled-fences-on-dying-timeline.patch
queue-4.9/dma-buf-sw-sync-use-an-rbtree-to-sort-fences-in-the-timeline.patch
queue-4.9/dma-buf-sw-sync-sync_pt-is-private-and-of-fixed-size.patch
queue-4.9/dma-buf-dma-fence-extract-__dma_fence_is_later.patch