From owner-svn-src-all@freebsd.org Wed Jun 3 05:48:42 2020 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id EEE4032DD47; Wed, 3 Jun 2020 05:48:42 +0000 (UTC) (envelope-from vmaffione@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49cHyf65x3z4n7x; Wed, 3 Jun 2020 05:48:42 +0000 (UTC) (envelope-from vmaffione@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id CCB6090CA; Wed, 3 Jun 2020 05:48:42 +0000 (UTC) (envelope-from vmaffione@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 0535mgsN089329; Wed, 3 Jun 2020 05:48:42 GMT (envelope-from vmaffione@FreeBSD.org) Received: (from vmaffione@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 0535mgXa089328; Wed, 3 Jun 2020 05:48:42 GMT (envelope-from vmaffione@FreeBSD.org) Message-Id: <202006030548.0535mgXa089328@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: vmaffione set sender to vmaffione@FreeBSD.org using -f From: Vincenzo Maffione Date: Wed, 3 Jun 2020 05:48:42 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r361746 - head/sys/dev/netmap X-SVN-Group: head X-SVN-Commit-Author: vmaffione X-SVN-Commit-Paths: head/sys/dev/netmap X-SVN-Commit-Revision: 361746 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Jun 2020 05:48:43 -0000 Author: vmaffione Date: Wed Jun 3 05:48:42 2020 New Revision: 361746 URL: https://svnweb.freebsd.org/changeset/base/361746 Log: netmap: vtnet: remove leftover memory barriers MFC after: 1 week Modified: head/sys/dev/netmap/if_vtnet_netmap.h Modified: head/sys/dev/netmap/if_vtnet_netmap.h ============================================================================== --- head/sys/dev/netmap/if_vtnet_netmap.h Wed Jun 3 05:27:29 2020 (r361745) +++ head/sys/dev/netmap/if_vtnet_netmap.h Wed Jun 3 05:48:42 2020 (r361746) @@ -129,7 +129,6 @@ vtnet_netmap_txsync(struct netmap_kring *kring, int fl /* * First part: process new packets to send. */ - rmb(); nm_i = kring->nr_hwcur; if (nm_i != head) { /* we have new packets to send */ @@ -302,7 +301,6 @@ vtnet_netmap_rxsync(struct netmap_kring *kring, int fl struct vtnet_rxq *rxq = &sc->vtnet_rxqs[ring_nr]; struct virtqueue *vq = rxq->vtnrx_vq; - rmb(); /* * First part: import newly received packets. * Only accept our own buffers (matching the token). We should only get