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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DEFECC433FE for ; Thu, 26 May 2022 05:10:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345784AbiEZFKR (ORCPT ); Thu, 26 May 2022 01:10:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52786 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244693AbiEZFKP (ORCPT ); Thu, 26 May 2022 01:10:15 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2FC9CBC6DA for ; Wed, 25 May 2022 22:10:14 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B2FD961A25 for ; Thu, 26 May 2022 05:10:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id D3A54C34116; Thu, 26 May 2022 05:10:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1653541812; bh=gsKNEdafC+sY+C+4SGrMpGo5A5iw82g/oCxq8+md5zw=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=Hjl74IY2tHDOX3kIf+9Sh7HxGh3lWNhTMbO54pVKsYL7YrS+TRPuWFy3xLZr59YGF 9e5jWm1u1iMjtYVNgDi4bI/eAFpHzQS86tFUcwyHDK4H5RKDOuDzOPCiXPSZOkx/2u f1wMHr9SdP4Om3PuoJm2YzWxAWtenGk5IPO/cNEoLJ3058eLrh033yGG8lPUYENNRP 3SigPfzIeJGllyteBT8Yn/gT40flNLCKmYyqtxmKrN0hVPDWq6CaePlS/IzGGki2hD dN0LdAcpXkuTT0Vi7dr2zL3clMJ/uBsywe+mcadYIdvl0UYeN7HwEhMEyxkH6RKZ9L nPU0lQSUIHMRw== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id BB299F03947; Thu, 26 May 2022 05:10:12 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net, neigh: Set lower cap for neigh_managed_work rearming From: patchwork-bot+netdevbpf@kernel.org Message-Id: <165354181276.23912.16447373310059489.git-patchwork-notify@kernel.org> Date: Thu, 26 May 2022 05:10:12 +0000 References: <3b8c5aa906c52c3a8c995d1b2e8ccf650ea7c716.1653432794.git.daniel@iogearbox.net> In-Reply-To: <3b8c5aa906c52c3a8c995d1b2e8ccf650ea7c716.1653432794.git.daniel@iogearbox.net> To: Daniel Borkmann Cc: kuba@kernel.org, wangyuweihx@gmail.com, pabeni@redhat.com, netdev@vger.kernel.org, razor@blackwall.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to netdev/net.git (master) by Jakub Kicinski : On Wed, 25 May 2022 00:56:18 +0200 you wrote: > Yuwei reported that plain reuse of DELAY_PROBE_TIME to rearm work queue > in neigh_managed_work is problematic if user explicitly configures the > DELAY_PROBE_TIME to 0 for a neighbor table. Such misconfig can then hog > CPU to 100% processing the system work queue. Instead, set lower interval > bound to HZ which is totally sufficient. Yuwei is additionally looking > into making the interval separately configurable from DELAY_PROBE_TIME. > > [...] Here is the summary with links: - [net] net, neigh: Set lower cap for neigh_managed_work rearming https://git.kernel.org/netdev/net/c/ed6cd6a17896 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html