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=-3.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=no 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 020C3C34050 for ; Wed, 19 Feb 2020 10:53:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C3BE724670 for ; Wed, 19 Feb 2020 10:53:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=geanix.com header.i=@geanix.com header.b="DDOv9Lgr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726902AbgBSKxk (ORCPT ); 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 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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