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=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS 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 72493C43603 for ; Fri, 13 Dec 2019 23:38:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 490F32073D for ; Fri, 13 Dec 2019 23:38:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=netronome-com.20150623.gappssmtp.com header.i=@netronome-com.20150623.gappssmtp.com header.b="GoRboWLv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726608AbfLMXit (ORCPT ); Fri, 13 Dec 2019 18:38:49 -0500 Received: from mail-lj1-f194.google.com ([209.85.208.194]:45359 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725747AbfLMXit (ORCPT ); Fri, 13 Dec 2019 18:38:49 -0500 Received: by mail-lj1-f194.google.com with SMTP id d20so449029ljc.12 for ; Fri, 13 Dec 2019 15:38:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netronome-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :organization:mime-version:content-transfer-encoding; bh=/C/dNXw9jXRBbpt2VneFJ2EKEuNVryzCHwyYuX+uJiU=; b=GoRboWLvwk4Ut8iNMk08A9D3pRTvxzABl6eXb/YLxto8E1dujBexvyW18qxKQ+KfTz lXgXSvyoH9DAhmEp8mByhvuezVlkCTDr0hM7nIBR7oN+qHxtM1FNLHk3/z3o6XRAgQwA 6t/K23AFKG+Xs4jRyJ0++oyjhfrCvg8jZhzvokPLfGH3bF8TuMZ/P4WhlQ+VM4IfNxqD /jdq/fDmmbqlcpxWTeMGhCrrhea8Peq5i+44CstGvtKyPJgumOri9VwKTVkjW9olEs+D NY2L7uuTl5wp6bTmY+RIntBowqJ+guv0IxtWSv22sQ/xif41SnyCpT+rBAUWroqxyNL3 pnoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:organization:mime-version:content-transfer-encoding; bh=/C/dNXw9jXRBbpt2VneFJ2EKEuNVryzCHwyYuX+uJiU=; b=KogRswf0EvafdqNnIS1Dejs1l2paPp9MLJzWxLSxbAojG6bkhohGHP5Fo3dmvMNheB cA5HQH/cS/IqiPXToKWMFC1SgRgylvkJfJjdBiFLoXXIOtyPIuW2tX+5RZtJ8upshhKW 2DIt3pJUAU5lnZQAvJb5I8DUR5+85jRl1MDURMq3NG/REHtoRL4svq7SYFBqW4pQbL4B RuAnP/Xki2osSm+m8P3zOYfeRmQ29w4s+o0WApztM2PNFv+8P1VMyXTRjNr84XX/s74q r1DsnOlS7rr3q+TgisSkIHVSRCMxvQiQ2jOvfJLSNETtamWUXi0+BCBx36xSuJspg7tP CBwA== X-Gm-Message-State: APjAAAW6fym4l0kgPBMmxYYLJu/p3SpdP5OxuxofAqyihEKKDnLmyfPM tacMS/ZEpitPbokEQksVVFCcnw== X-Google-Smtp-Source: APXvYqwtgodCtaMq/95A9YEXmcdegXFdGgHxGN+zsjoKUwZ3Z/nT0fMyrbGB9XY6g/9eYJbFYOpgyQ== X-Received: by 2002:a05:651c:208:: with SMTP id y8mr11547682ljn.36.1576280327062; Fri, 13 Dec 2019 15:38:47 -0800 (PST) Received: from cakuba.netronome.com ([66.60.152.14]) by smtp.gmail.com with ESMTPSA id e14sm6335670ljj.36.2019.12.13.15.38.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Dec 2019 15:38:46 -0800 (PST) Date: Fri, 13 Dec 2019 15:38:40 -0800 From: Jakub Kicinski To: Jonathan Lemon Cc: , , , Subject: Re: [PATCH net] bnxt: apply computed clamp value for coalece parameter Message-ID: <20191213153840.7d9d4187@cakuba.netronome.com> In-Reply-To: <20191210163946.2887753-1-jonathan.lemon@gmail.com> References: <20191210163946.2887753-1-jonathan.lemon@gmail.com> Organization: Netronome Systems, Ltd. MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, 10 Dec 2019 08:39:46 -0800, Jonathan Lemon wrote: > After executing "ethtool -C eth0 rx-usecs-irq 0", the box becomes > unresponsive, likely due to interrupt livelock. It appears that > a minimum clamp value for the irq timer is computed, but is never > applied. > > Fix by applying the corrected clamp value. > > Fixes: 74706afa712d ("bnxt_en: Update interrupt coalescing logic.") > Signed-off-by: Jonathan Lemon Applied, and queued for stable, thanks!