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=-5.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 5EE14C433ED for ; Thu, 15 Apr 2021 16:37:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 33289611AC for ; Thu, 15 Apr 2021 16:37:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233330AbhDOQiJ (ORCPT ); Thu, 15 Apr 2021 12:38:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:44828 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231549AbhDOQiI (ORCPT ); Thu, 15 Apr 2021 12:38:08 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id EC7CA610C8; Thu, 15 Apr 2021 16:37:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1618504664; bh=C013CLRGjesu91Hpqsx1Pn/MxiLqA+upkZig7b6GAqM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=klq4qcanacJy3QF5p/8LcTmVcrV5Cr1JyoaLada2VaxDJbscW7gfSrUfRMGQINroV V63qErgUaLrrerjxj42RbjHVK+dUFYXbw/D+GUBvAvKDN49h8ryXBzP4NYa5LfMs63 TPrqpGS/TztXSykNwb7Q0neYeo3AICe3+kIiuCyg= Date: Thu, 15 Apr 2021 18:37:41 +0200 From: Greg Kroah-Hartman To: Guenter Roeck Cc: stable Subject: Re: netfilter/x_tables patches for v4.4.y..v4.14.y Message-ID: References: <1780f159-140b-231f-8af5-ccec049dc8b0@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1780f159-140b-231f-8af5-ccec049dc8b0@roeck-us.net> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Thu, Apr 15, 2021 at 09:28:15AM -0700, Guenter Roeck wrote: > Hi Greg, > > please consider applying the following two patches to v4.4.y, v4.9.y, and v4.14.y > > 80055dab5de0 ("netfilter: x_tables: make xt_replace_table wait until old rules are not used anymore") > 175e476b8cdf ("netfilter: x_tables: Use correct memory barriers.") The second patch here says that it's only needed to go back until: Fixes: 7f5c6d4f665b ("netfilter: get rid of atomic ops in fast path") Which is only backported to 4.19. So why do older kernels need that, is the fixes tag wrong? thanks, greg k-h