Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp245999ybt; Tue, 30 Jun 2020 20:00:03 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwjG9JL0kP5LdqnM8eZRu1NvLUuZ8XnrP/zs+TjrzJg3CE5AyUdrC+6Slo8nLAa3uyhT05Q X-Received: by 2002:a05:6402:354:: with SMTP id r20mr26198828edw.32.1593572403635; Tue, 30 Jun 2020 20:00:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1593572403; cv=none; d=google.com; s=arc-20160816; b=v/01n82YpL7wwvOwdnESVVfbpPqqYuduMmN+EitC9lUD3yfbIbAWmvb9OLzxk2dZzZ ZQKN9Ep0Nck7KQHd0ZuYsDAxYUpRvANWGgTDWU2bj/nriCaJaB0dQ+N/9UJndXkcAt6j 9BDn389eTAFoNxETXwWbWLXPGzv59w/z3ScQvR+BZOf0x3rVbbaPsQxuPsXStO93rvCv 6fGePJuHh8d88lTN+jKuvL5nJAOmF0JNudcbE7FtKgOhxrdfGnGpKc6p676dpuTNLfLB /SCaOXamJosL6r/5Sxn8y3MCJKrb5/o1kZJ20YDC480uD4PIGHD5+gwxVDw4xVxs8R3B 1AVQ== 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; bh=+2QRYg372dTapmh37e+A8ZkpIcxhkB/+Qfy5wnbzBzg=; b=OhUnX+kpEX+UkVf9GA/Slb09TdUKDn0xrJ5pdSjfZU8mxp3Q56GLktIvKW/8qzOoA7 FwQ2GvKbFy1lpPhkjmW1xvrlIJZqzZTrPRCLSt29Lc/oVz72pn3R4BH1xjs6cnbVbJGn vbPBgjX1MycLKYaQTSoyA/LgmkAKxSHUiCJsYzPVUcv395eZNUpQy+ObkMklXtKNNHQv UEtkHnNLparJR4YNCTz2U/jxcooi1uJ/tc06zFB449g5ePv4XwUwv0DKBSYZquNoQsFs Mk5lE2/m73HzS67ytSgnQQa+UUBd63TgkX9x0HUGSdRsY1znWNntyVFNe931J2LjEJmD LSDA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s24si2633322ejd.737.2020.06.30.19.59.40; Tue, 30 Jun 2020 20:00:03 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726074AbgGAC64 (ORCPT + 99 others); Tue, 30 Jun 2020 22:58:56 -0400 Received: from helcar.hmeau.com ([216.24.177.18]:35292 "EHLO fornost.hmeau.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725862AbgGAC64 (ORCPT ); Tue, 30 Jun 2020 22:58:56 -0400 Received: from gwarestrin.arnor.me.apana.org.au ([192.168.0.7]) by fornost.hmeau.com with smtp (Exim 4.92 #5 (Debian)) id 1jqSxP-0005r0-6r; Wed, 01 Jul 2020 12:58:44 +1000 Received: by gwarestrin.arnor.me.apana.org.au (sSMTP sendmail emulation); Wed, 01 Jul 2020 12:58:43 +1000 Date: Wed, 1 Jul 2020 12:58:43 +1000 From: Herbert Xu To: Eric Dumazet Cc: Mathieu Desnoyers , David Miller , Linus Torvalds , LKML , netdev , Yuchung Cheng , Jonathan Rajotte-Julien Subject: Re: [regression] TCP_MD5SIG on established sockets Message-ID: <20200701025843.GA7254@gondor.apana.org.au> References: <20200701020211.GA6875@gondor.apana.org.au> <20200701022241.GA7167@gondor.apana.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 30, 2020 at 07:30:43PM -0700, Eric Dumazet wrote: > > I made this clear in the changelog, do we want comments all over the places ? > Do not get me wrong, we had this bug for years and suddenly this is a > big deal... I thought you were adding a new pair of smp_rmb/smp_wmb. If they already exist in the code then I agree it's not a big deal. But adding a new pair of bogus smp_Xmb's is bad for maintenance. Cheers, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt