From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D1B9C32788 for ; Thu, 11 Oct 2018 07:53:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0F80F20841 for ; Thu, 11 Oct 2018 07:53:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=igel-co-jp.20150623.gappssmtp.com header.i=@igel-co-jp.20150623.gappssmtp.com header.b="JEjp9OKk" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0F80F20841 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=igel.co.jp Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728031AbeJKPTe (ORCPT ); Thu, 11 Oct 2018 11:19:34 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:40948 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726944AbeJKPTe (ORCPT ); Thu, 11 Oct 2018 11:19:34 -0400 Received: by mail-pg1-f193.google.com with SMTP id n31-v6so3778204pgm.7 for ; Thu, 11 Oct 2018 00:53:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=igel-co-jp.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=3V9hyDWZjdftsthbVpsskbhBuIx6yQZQc2+RBbtRyXA=; b=JEjp9OKk1DLPiM7CHtqajCOFgoJUNhLbQHwqdI8ESWqSVGXjbS2uOfdObrJs0TUNBO I60PEOHyQYNNj9xzqFHn1K+zSnsEIjNiE/h53BxSor226fNMmSmgEHOVs6cCOU8WbkEd 8dZAYM+kxm2/Wz+Jg0Gf6DppwQX8LcVY9LPgHmZx/CmPoJmYXhAoPtxLQPQGkKZxT76C RTxnAlMEl/fjekYjnLKAqWk6yKn9ye7g3yUf9rUQkk3242CUxXG9eB8mRjwx3BbKHC5X BKPGZmiAc4dbd6VqpDtB1B5VZPVnQMRKkKOEAB+IPH126/xTGKYWoisP392l+zw7Cru+ vsFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=3V9hyDWZjdftsthbVpsskbhBuIx6yQZQc2+RBbtRyXA=; b=tAt4E4/h7jlCYHDSeP/ArB9VnzKdVnWtV/6acgcyQmezDdX990bMlEbHBh4ZKkqhKe Z+6a3GANkC8egYAok5XGThzeVE5uyHbgbFWtyKQbUyFODXkWNwMWe16LtaWbRb9FHCIN TVy5JUB38XuWbIYSOhj5m8FDrtu67F5jws39djhB9MDjqyg7Yx/SHFzZ6mSmrY1HogfI P8ka98OLGAi8WkGelCPJZ5kRXlGzGYP2NQq9jSypqEOmHWz0+8WvFm5TK5V+5nxECOQz U8PeuxgjWtIgjHF+76QzpsqqSOPr/5p+gFaaj8DbSaW7m8AzgnhVXY07Rr5GQCIb+KaV udzg== X-Gm-Message-State: ABuFfog3zGem7uruxefBHEkKsnChebBYxPvz3gTHPvuQTqTNwNBjbvlU j4EU/gZtpWccbVzrTguzbP5Vi2iouxTNcA== X-Google-Smtp-Source: ACcGV63oayOIyobGPItcLAhTe7zc9Gvl6sVbe5QlnxaCXt2+VLhPJtgrwwwGwvnTwhwYDZD7bM2Hgw== X-Received: by 2002:a63:ec4b:: with SMTP id r11-v6mr440781pgj.295.1539244408700; Thu, 11 Oct 2018 00:53:28 -0700 (PDT) Received: from ake-ubuntu.hq.igel.co.jp (napt.igel.co.jp. [219.106.231.132]) by smtp.gmail.com with ESMTPSA id u21-v6sm41760586pfa.176.2018.10.11.00.53.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 11 Oct 2018 00:53:27 -0700 (PDT) From: Ake Koomsin To: Jason Wang Cc: ake@igel.co.jp, "Michael S. Tsirkin" , "David S. Miller" , virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] virtio_net: enable tx after resuming from suspend Date: Thu, 11 Oct 2018 16:51:26 +0900 Message-Id: <20181011075127.2608-1-ake@igel.co.jp> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org commit 713a98d90c5e ("virtio-net: serialize tx routine during reset") disabled the virtio tx before going to suspend to avoid a use after free. However, after resuming, it causes the virtio_net device to lose its network connectivity. To solve the issue, we need to enable tx after resuming. Fixes commit 713a98d90c5e ("virtio-net: serialize tx routine during reset") Signed-off-by: Ake Koomsin --- drivers/net/virtio_net.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index dab504ec5e50..3453d80f5f81 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2256,6 +2256,7 @@ static int virtnet_restore_up(struct virtio_device *vdev) } netif_device_attach(vi->dev); + netif_start_queue(vi->dev); return err; } -- 2.19.1