Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp7854018ybi; Thu, 6 Jun 2019 02:35:48 -0700 (PDT) X-Google-Smtp-Source: APXvYqwfQ0nW53CFGmlLwlKk1LSfnGygGSo9xXFYYJp30ldZqHTnj3Z4j64Iz9xB++XXX/ga7lbq X-Received: by 2002:a17:902:8204:: with SMTP id x4mr48484558pln.226.1559813747935; Thu, 06 Jun 2019 02:35:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559813747; cv=none; d=google.com; s=arc-20160816; b=Ml1lhDStJ/bFr8QB5sdWUiwfU0Y69jaTBAjH1iddikU9+N/KPdwt/uJFUig+vdvrn4 waHjnXl5zFP7g+nmdhuATyqW0F+pEqHcSnVVaA7CXvorWtQA9fDYzQfEKoGQNaHVhIT+ X2znroF2EIdKGnCWyroSlY6+kNE9fUb5WrdOrGf577+cyAI8pkVLHNxTBYcco9+YKYIE EjsiGl1ItMJGntDX+nDETt/TX5k2e2o2Np3/cqO51sv7bdx4y9o8+fXPyh+1V4DEXJSQ CdLl/0Rth1It8jXyd78CsWsUq7aKQE95ni7v56f+c14cRnvUVSYJj98nYFCZvBQnKuH/ SAnw== 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=j8Jug4K/Qds9fHVLSBaxRx8+RJpaJQtiQGE3t0t0gZg=; b=ueIhVoPVmaANmH4DO5jtzfhV2Rt+z8usZSqzAi4c5+2KrKDadCsmhiQ8q7P8WqP1G+ 9AXe6oWHsCPUym9lrZdGnY/zyAcb2QYI0q+8JqScKM4MnD6K/edSH3U8UzYfm/YY/s9F hGDiZWRm7dCnX/L+JYM1a4B9258iogckat/a4MVyJU+hd/qsAXyB0fxQ0bFbw6GiP5rq OEtT+sTHXx2/4vPvC7wURn98CBizwV8ID8YdqoAYFwLx7wbFDZ0kvsc5XG2TZirSVHqN uaFepfy0IUOeq5H9Di35wIPQ55rzrw8HU2h7/l2kFI5Z2S82kKsuClpNdiRJxQGFur3R dpGQ== ARC-Authentication-Results: i=1; mx.google.com; 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 d31si1614909pgm.575.2019.06.06.02.35.30; Thu, 06 Jun 2019 02:35:47 -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; 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 S1727991AbfFFJcf (ORCPT + 99 others); Thu, 6 Jun 2019 05:32:35 -0400 Received: from helcar.hmeau.com ([216.24.177.18]:46826 "EHLO deadmen.hmeau.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727934AbfFFJce (ORCPT ); Thu, 6 Jun 2019 05:32:34 -0400 Received: from gondobar.mordor.me.apana.org.au ([192.168.128.4] helo=gondobar) by deadmen.hmeau.com with esmtps (Exim 4.89 #2 (Debian)) id 1hYol1-00023m-WA; Thu, 06 Jun 2019 17:32:28 +0800 Received: from herbert by gondobar with local (Exim 4.89) (envelope-from ) id 1hYol1-00074j-5b; Thu, 06 Jun 2019 17:32:27 +0800 Date: Thu, 6 Jun 2019 17:32:27 +0800 From: Herbert Xu To: Andrea Parri Cc: Linus Torvalds , "Paul E. McKenney" , Frederic Weisbecker , Boqun Feng , Fengguang Wu , LKP , LKML , Netdev , "David S. Miller" , Dmitry Vyukov , Alan Stern , Eric Dumazet Subject: Re: rcu_read_lock lost its compiler barrier Message-ID: <20190606093227.kwtjkhjvbqzcym4s@gondor.apana.org.au> References: <20150910005708.GA23369@wfg-t540p.sh.intel.com> <20150910102513.GA1677@fixme-laptop.cn.ibm.com> <20150910171649.GE4029@linux.vnet.ibm.com> <20150911021933.GA1521@fixme-laptop.cn.ibm.com> <20150921193045.GA13674@lerouge> <20150921204327.GH4029@linux.vnet.ibm.com> <20190602055607.bk5vgmwjvvt4wejd@gondor.apana.org.au> <20190603024640.2soysu4rpkwjuash@gondor.apana.org.au> <20190606083856.GA5337@andrea> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190606083856.GA5337@andrea> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 06, 2019 at 10:38:56AM +0200, Andrea Parri wrote: > On Mon, Jun 03, 2019 at 10:46:40AM +0800, Herbert Xu wrote: > > > The case we were discussing is from net/ipv4/inet_fragment.c from > > the net-next tree: > > BTW, thank you for keeping me and other people who intervened in that > discussion in Cc:... FWIW I didn't drop you from the Cc list. The email discussion was taken off-list by someone else and I simply kept that Cc list when I brought it back onto lkml. On a second look I did end up dropping Eric but I think he's had enough of this discussion :) -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt