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 F2E01C433EF for ; Fri, 10 Jun 2022 15:09:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229553AbiFJPJb (ORCPT ); Fri, 10 Jun 2022 11:09:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38468 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229752AbiFJPJa (ORCPT ); Fri, 10 Jun 2022 11:09:30 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A16BC47076 for ; Fri, 10 Jun 2022 08:09:27 -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 ams.source.kernel.org (Postfix) with ESMTPS id 4F4DEB8360E for ; Fri, 10 Jun 2022 15:09:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC3F6C3411D; Fri, 10 Jun 2022 15:09:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1654873765; bh=HySg0vGnnAQLD0e18prW5Rgfl3/ZycE41BZej6VHnJw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ZVz5HV+I7kP1DK2r1LYmLQLv/FmWgO+HwEKl5bR8JOLVPQEGmVyoRjwdLjHc0PsqZ ubRvEJ1mN6UjMGGDwHD8Q0d/pXC06CKA6Tc7o4HAuO3XY4AEhA9qiXeSG8MtENLXIw F9bgV2DFk8BGCPA08uM1vFfqfAEw/1amEm/UCcWQ= Date: Fri, 10 Jun 2022 17:09:21 +0200 From: Greg KH To: Davide Caratti Cc: stable@vger.kernel.org, echaudro@redhat.com, i.maximets@ovn.org Subject: Re: net/sched: act_police: more accurate MTU policing Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Fri, Jun 10, 2022 at 04:58:37PM +0200, Davide Caratti wrote: > hello, > > Ilya reports bad TCP throughput when GSO packets hit an OVS rule that does > tc MTU policing. According to his observations [1], the problem is fixed > by upstream commit 4ddc844eb81d ("net/sched: act_police: more accurate MTU > policing"). Can we queue this commit for inclusion in stable trees? Did you test this, and what kernel(s) do you want it applied to? thanks, greg k-h