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=-11.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 D3B74C4743D for ; Wed, 9 Jun 2021 02:20:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A9D976128E for ; Wed, 9 Jun 2021 02:20:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233629AbhFICV7 (ORCPT ); Tue, 8 Jun 2021 22:21:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:51070 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229911AbhFICV5 (ORCPT ); Tue, 8 Jun 2021 22:21:57 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id BC97960FDB; Wed, 9 Jun 2021 02:20:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623205203; bh=bv01djUeF4szVNu9W89WMbXytcJTU721/mip35uNkMA=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=ITl41tcOezQZOEl/gyeCMZozV/rbOFtLRZx9X+zNePJ+hHyTJKWX9r/Irl7J+2ML3 SX8tTWmakemoAGjxBIiZmAoX58dTGa3gxLRAEGp4c6vRjgaTPGrynlknBJireoYcJM qj0nYzbSLxzoYYu0bBEEyAnwLzMuq5DJIG4fpY16rhc0j05WsbPBS12uwobJbMyDDL 8CCiGATrkbUl0kabkZ1GrvyiltDu9dbbK3QD/OBzf+jnuexeFBQ6/dCSDJZt+CGkK9 80gWtT6a3BQqI8VTVtyIWdpULO2IeD1bbA4dXGmU0DimkpC9ssDS5ycyCV4unsHOlv 9tt2I8zbX9otQ== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: lantiq: disable interrupt before sheduling NAPI From: patchwork-bot+netdevbpf@kernel.org Message-Id: <162320520367.32397.3856716167633372569.git-patchwork-notify@kernel.org> Date: Wed, 09 Jun 2021 02:20:03 +0000 References: <20210608212107.222690-1-olek2@wp.pl> In-Reply-To: <20210608212107.222690-1-olek2@wp.pl> To: Aleksander Jan Bajkowski Cc: hauke@hauke-m.de, davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (refs/heads/master): On Tue, 8 Jun 2021 23:21:07 +0200 you wrote: > This patch fixes TX hangs with threaded NAPI enabled. The scheduled > NAPI seems to be executed in parallel with the interrupt on second > thread. Sometimes it happens that ltq_dma_disable_irq() is executed > after xrx200_tx_housekeeping(). The symptom is that TX interrupts > are disabled in the DMA controller. As a result, the TX hangs after > a few seconds of the iperf test. Scheduling NAPI after disabling > interrupts fixes this issue. > > [...] Here is the summary with links: - [net] net: lantiq: disable interrupt before sheduling NAPI https://git.kernel.org/netdev/net/c/f2386cf7c5f4 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html