Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp8976457ybi; Tue, 23 Jul 2019 19:17:50 -0700 (PDT) X-Google-Smtp-Source: APXvYqzh2SeYg/gpOCVLoclDqtpyhrJj0DbJvuOtXhwbI7LS2sLffaWAH2IuKpE5B1wDq0ZBbzXh X-Received: by 2002:a17:902:e65:: with SMTP id 92mr80005177plw.13.1563934670465; Tue, 23 Jul 2019 19:17:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1563934670; cv=none; d=google.com; s=arc-20160816; b=lHnjn5lzlfG9rWo3gbYFk0F9JfyyiU+Cl3FnNtHf5ZgoNjA8of47SJ6hAgbJEneDll rE1fA97ku0LnTnNfQ26vWDOtyZ/aZYFKoKShxE5kr5EZ0NNPLSTF1ZcJFzIVxkmRUSV9 e0JSQKMIeSKTgpDO3CiWSmqCHDiLJffTHO3u8DGzMqO+xOZ2acNKS8PzhOq+D91N/uLa fRqWZbLp6k+Aawrys6d5JwLLIY1zmPf/C08j7W4A6FOKEyd3xNLJT/Byo2MKqylFCa5J 4UjvRv8asb6snyV/5E8kktzdIGxLXltK+xUnJUuquf1EBCwkT6IKgtxj1DOnHSBksiRh s5Ww== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=WT3oDovkoe1bfd1iWcc8ualJNMhBVWi0I2gGsRsRw5Y=; b=EeX5NP8GHSkaqWNaqHOE7GPbrSt2QSwl9v9Hk0aro0m1AWYEUzKg8u7FR8z0I+IKbb Tvi6WiD5qYtUDZT1ZRtZWfoAGt6qqjfvSYFDvj/pXrjVYldSZLD2ss7VCF28kswNwUcF JR/0k8OdY4JNx4jzonHka49fP2Ee2Q5zD0mKryudQQJDbGEAFkPrGYbJE9yTuqrhR8qc SA2z1Zp7y8HsJF0MQijORObmQuhMb81ROUatOkQg8WjuQ2VOPdhRZC3b4CSMxYPhihUM V6db+qSjS2L6/FSo+WEHF17Xa1X7kIgfcj5rGs8RMoy1DNSprMR8BmuCRpu6mFLBRPUa LGPA== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@lunn.ch header.s=20171124 header.b=roktKFKg; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id i10si12698474pfd.226.2019.07.23.19.17.34; Tue, 23 Jul 2019 19:17:50 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@lunn.ch header.s=20171124 header.b=roktKFKg; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390360AbfGWNkq (ORCPT + 99 others); Tue, 23 Jul 2019 09:40:46 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:59312 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390251AbfGWNkq (ORCPT ); Tue, 23 Jul 2019 09:40:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=WT3oDovkoe1bfd1iWcc8ualJNMhBVWi0I2gGsRsRw5Y=; b=roktKFKgOalv46lwcSCeBJOVe0 7nL/GlBlNk6uA5Nnp85pRtUg1HozlzNczDECrhxg+a+zgapXw3U6EbzY7ieDqCs2PMXLShiJ1AdDy eBT9rWtMjv/5dSy5jZuRTbWxYTYc+B/LiOqVe6tmw7azDaN6OsK8hN6G42AXRxNZZzbQ=; Received: from andrew by vps0.lunn.ch with local (Exim 4.89) (envelope-from ) id 1hpv1x-0001ER-T9; Tue, 23 Jul 2019 15:40:37 +0200 Date: Tue, 23 Jul 2019 15:40:37 +0200 From: Andrew Lunn To: Rasmus Villemoes Cc: Vivien Didelot , Florian Fainelli , "David S. Miller" , Rasmus Villemoes , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH net-next] net: dsa: mv88e6xxx: avoid some redundant vtu load/purge operations Message-ID: <20190723134037.GA2381@lunn.ch> References: <20190722233713.31396-1-rasmus.villemoes@prevas.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190722233713.31396-1-rasmus.villemoes@prevas.dk> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 22, 2019 at 11:37:26PM +0000, Rasmus Villemoes wrote: > We have an ERPS (Ethernet Ring Protection Switching) setup involving > mv88e6250 switches which we're in the process of switching to a BSP > based on the mainline driver. Breaking any link in the ring works as > expected, with the ring reconfiguring itself quickly and traffic > continuing with almost no noticable drops. However, when plugging back > the cable, we see 5+ second stalls. Hi Rasmus I would prefer Vivien reviews this patch. But he is away at the moment. Are you O.K. to wait a few days? Andrew