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
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