From patchwork Wed Feb 19 10:53:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Esben Haabendal X-Patchwork-Id: 11391239 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D7AFB109A for ; Wed, 19 Feb 2020 10:53:45 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B25F42464E for ; Wed, 19 Feb 2020 10:53:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="bifjOJp1"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=geanix.com header.i=@geanix.com header.b="DDOv9Lgr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B25F42464E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=geanix.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=VsiMBi+/9wSGsafjI1FK2ahtJzuIjCmn50n5p9qW8S4=; b=bifjOJp1LWXpuv nnyymKBGPSnvBLlu+1a2QU4GAqbXyNHOefw1DiRoRqFq/hSyT/rxAGW1kLKs7wydlvJyT+rk3sYHk QVwpcstOIaEe0Z1OHarrJKxVfi1SJCwvPyHPLB7vnMwqk+80uzk2w1Lu6y08v6zLRiw8CQRswkXSo Zm5Yfau5BGH1vVGBaGmauiRxsuOZMSjsBA4LZGihv2bxmIh65FxMjA7bPwLD8l80cXkhKQRvxikEv KnOBjnBIWNm9cfHlysk6V7yG60XFP0IQ3p9gwklT2+9Cj3xW1ugFFJ5IzJQuHBvd8zqCXAYklSmE3 y/zkz7KmJOzWLjl6WqlA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j4Mz8-0002kg-2F; Wed, 19 Feb 2020 10:53:42 +0000 Received: from first.geanix.com ([116.203.34.67]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j4Mz5-0002kF-G6 for linux-arm-kernel@lists.infradead.org; Wed, 19 Feb 2020 10:53:40 +0000 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 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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200219_025339_678903_33F3AB51 X-CRM114-Status: UNSURE ( 5.64 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrew Lunn , Michal Simek , linux-kernel@vger.kernel.org, =?utf-8?q?Petr_=C5=A0tetiar?= , "David S . Miller" , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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(-)