From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.99]:42622 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725883AbfKHMeV (ORCPT ); Fri, 8 Nov 2019 07:34:21 -0500 Date: Fri, 8 Nov 2019 13:34:16 +0100 From: Greg KH Subject: Re: [PATCH AUTOSEL 4.19 204/205] s390/qeth: limit csum offload erratum to L3 devices Message-ID: <20191108123416.GA732985@kroah.com> References: <20191108113752.12502-1-sashal@kernel.org> <20191108113752.12502-204-sashal@kernel.org> <2e4553d6-de1f-bb61-33e4-10a5c23f0aa7@linux.ibm.com> <20191108120025.GM4787@sasha-vm> <4d8f1938-af6e-7e0e-4085-2f7c53390b2d@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4d8f1938-af6e-7e0e-4085-2f7c53390b2d@linux.ibm.com> Sender: linux-s390-owner@vger.kernel.org List-ID: To: Julian Wiedmann Cc: Sasha Levin , linux-kernel@vger.kernel.org, stable@vger.kernel.org, "David S . Miller" , linux-s390@vger.kernel.org On Fri, Nov 08, 2019 at 01:16:26PM +0100, Julian Wiedmann wrote: > On 08.11.19 13:00, Sasha Levin wrote: > > On Fri, Nov 08, 2019 at 12:50:24PM +0100, Julian Wiedmann wrote: > >> On 08.11.19 12:37, Sasha Levin wrote: > >>> From: Julian Wiedmann > >>> > >>> [ Upstream commit f231dc9dbd789b0f98a15941e3cebedb4ad72ad5 ] > >>> > >>> Combined L3+L4 csum offload is only required for some L3 HW. So for > >>> L2 devices, don't offload the IP header csum calculation. > >>> > >> > >> NACK, this has no relevance for stable. > > > > Sure, I'll drop it. > > > > Do you have an idea why the centos and ubuntu folks might have > > backported this commit into their kernels? > > > > No clue, I trust they have their own reasons. > I cant see centos backporting anything unless they were asked to do so. And this really looks like a "bugfix" to me, why isn't this relevant for any older kernel versions? thanks, greg k-h