Date: Mon, 22 May 2017 11:33:44 +0000 (UTC) From: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= <royger@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r318631 - head/sys/dev/xen/netfront Message-ID: <201705221133.v4MBXieZ069926@repo.freebsd.org>
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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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