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Commit 522dffda authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "net: qrtr: Avoid qrtr_node lookup & write lock for every rx packet"

parents 04610dd1 8697323f

net/qrtr/qrtr.c

+10 −2
Original line number Diff line number Diff line
@@ -555,13 +555,21 @@ static struct qrtr_node *qrtr_node_lookup(unsigned int nid) 
 */

static void qrtr_node_assign(struct qrtr_node *node, unsigned int nid)

{

	struct qrtr_node *tnode = NULL;

	char name[32] = {0,};



	if (nid == QRTR_EP_NID_AUTO)

		return;

	if (nid == node->nid)

		return;



	down_read(&qrtr_node_lock);

	tnode = radix_tree_lookup(&qrtr_nodes, nid);

	up_read(&qrtr_node_lock);

	if (tnode)

		return;



	down_write(&qrtr_node_lock);

	if (!radix_tree_lookup(&qrtr_nodes, nid))

	radix_tree_insert(&qrtr_nodes, nid, node);



	if (node->nid == QRTR_EP_NID_AUTO)