svn commit: r318631 - head/sys/dev/xen/netfront

[Roger Pau Monné]

Author: royger
Date: Mon May 22 11:33:44 2017
New Revision: 318631
URL: https://svnweb.freebsd.org/changeset/base/318631

Log:
  xen/netfront: don't drop the RX lock in xn_rxeof
  
  Since netfront uses different locks for the RX and TX paths there's no need to
  drop the RX lock before calling if_input.
  
  Suggested by:	jhb
  Tested by:	cperciva
  Sponsored by:	Citrix Systems R&D
  MFC with:	r318523

Modified:
  head/sys/dev/xen/netfront/netfront.c

Modified: head/sys/dev/xen/netfront/netfront.c
==============================================================================
--- head/sys/dev/xen/netfront/netfront.c	Mon May 22 10:28:17 2017	(r318630)
+++ head/sys/dev/xen/netfront/netfront.c	Mon May 22 11:33:44 2017	(r318631)
@@ -1224,7 +1224,6 @@ xn_rxeof(struct netfront_rxq *rxq)
 		RING_FINAL_CHECK_FOR_RESPONSES(&rxq->ring, work_to_do);
 	} while (work_to_do);
 
-	XN_RX_UNLOCK(rxq);
 	mbufq_drain(&mbufq_errq);
 	/*
 	 * Process all the mbufs after the remapping is complete.
@@ -1253,7 +1252,6 @@ xn_rxeof(struct netfront_rxq *rxq)
 	 */
 	tcp_lro_flush_all(lro);
 #endif
-	XN_RX_LOCK(rxq);
 }
 
 static void