Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp448887ybv; Wed, 19 Feb 2020 02:54:09 -0800 (PST) X-Google-Smtp-Source: APXvYqzotZW96ToOQgJqJFvUiJfq9fijJenR2j4xWzcubG9wVoGwk7CpcrvTUGP+sImAFA5USpMK X-Received: by 2002:aca:dc45:: with SMTP id t66mr4331303oig.39.1582109649332; Wed, 19 Feb 2020 02:54:09 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1582109649; cv=none; d=google.com; s=arc-20160816; b=pONiQUzCLUxgSgZVwgGD5OQfMi+F2lBZZmvxa7N3ApsXr9AI6MSrf/AysknHdZdm22 /rjajzhp4wgFA+mSLnq3vJJo3RBif8S1UGcZQeOowF88hyOSfbpMd+jFiFS2f02XIwfa FU0d5gMt38Us3bGfpHl/c4rpmMOUn9FlD5l7GbUvj1ezvicCPWYWbPQUlxb8/hzAAkl9 dkkT/1ECiVV2tuoridHKCwQrHgimrg9aB9penpAiL1Dq+/FNufiwQm9HV1r+0Pb6nZB+ NQ0yEwMZGLFkRLR+s+k6QQRn6K2v2KKNWbz9ZgX7QicD8VEWu6uyvUJwWNP8sWtmNoLB 5Exg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=CkCX6vU46jNJzZB4ZALM9bATneZECb+5QNLBNPIuXJM=; b=M9FXMlDaODaOS88Ucni4VW7lAFuZmXFPZ+RBSG2+h63rgw6xuaZmn1WIwlf5mEFv+V 89OlaYivtbaX+qmcjk3VeAe3JIPvkqwCTF6EEl/0DRwnRU/aeGoJGEtUmXJLAreqaS7O ZZVuj2ugmOkzvXCdDAB0W2iBZfQmRvaWk7VA7lI+0ed68MaTRTkCQvT51ibPSRlHVlRJ daIFyniDotV8ejmNqjshbqx9EWvNjVC1ZLARYim5Lzh8VGFB0kDmX9U6o8da6vmOQIYZ o4tJv24R1oEb/wa8cv3zICgC4/aaA9tyHv5FaGgwKSWU0eDeM6Kq7ZwF29uACe9CGEBR rd4A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@geanix.com header.s=first header.b=DDOv9Lgr; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=geanix.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a28si1047568otd.257.2020.02.19.02.53.57; Wed, 19 Feb 2020 02:54:09 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@geanix.com header.s=first header.b=DDOv9Lgr; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=geanix.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726922AbgBSKxk (ORCPT + 99 others); Wed, 19 Feb 2020 05:53:40 -0500 Received: from first.geanix.com ([116.203.34.67]:57086 "EHLO first.geanix.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726469AbgBSKxk (ORCPT ); Wed, 19 Feb 2020 05:53:40 -0500 Received: from localhost (_gateway [172.20.0.1]) by first.geanix.com (Postfix) with ESMTPSA id 65BD6C002E; Wed, 19 Feb 2020 10:53:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=geanix.com; s=first; t=1582109617; bh=4da/aCxIHKB77/nlVZEvWvQNLVXyCUPaOYknt7VRhaI=; h=From:To:Cc:Subject:Date; b=DDOv9LgrrQVJQD+dNheEz6/+GsIeIqpnX4c77hFGGIMcNQtRUdoDxyJ/X2P2gvfuf HcldEgcX07ruCdx/fS/A31UBBDDB7X61YLi3zLVB3TK1rKax2pcOFvwqd3JJbgNhmg jhiSRa72+rVNefjiqQ82Azinq6rVTVPBBMgKApgJKS6ogrhywZmRcZEcIgKSTuxNUS Yon5t8ZC7e46/nVQUCCTkWJJzDt+8j64i6EiSx4CzKiRzrN6521S7Pu7hCXUTPL4g6 fri252G4bnaci1z6dkxOgUZNJ8L4qu9Z4q0jM2T4jtucMz9i0mfrp+d7r1DXlCgvXY qOb3kbNj+eHBw== From: Esben Haabendal To: netdev@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Andrew Lunn , "David S . Miller" , Michal Simek , =?UTF-8?q?Petr=20=C5=A0tetiar?= Subject: [PATCH net 0/4] net: ll_temac: Bugfixes Date: Wed, 19 Feb 2020 11:53:37 +0100 Message-Id: X-Mailer: git-send-email 2.25.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.7 required=4.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=disabled version=3.4.3 X-Spam-Checker-Version: SpamAssassin 3.4.3 (2019-12-06) on eb9da72b0f73 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix a number of bugs which have been present since the first commit. The bugs fixed in patch 1,2 and 4 have all been observed in real systems, and was relatively easy to reproduce given an appropriate stress setup. Esben Haabendal (4): net: ll_temac: Fix race condition causing TX hang net: ll_temac: Add more error handling of dma_map_single() calls net: ll_temac: Fix RX buffer descriptor handling on GFP_ATOMIC pressure net: ll_temac: Handle DMA halt condition caused by buffer underrun drivers/net/ethernet/xilinx/ll_temac.h | 4 + drivers/net/ethernet/xilinx/ll_temac_main.c | 204 ++++++++++++++++---- 2 files changed, 170 insertions(+), 38 deletions(-) -- 2.25.0