From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754505AbaCKCjO (ORCPT ); Mon, 10 Mar 2014 22:39:14 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:49678 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754132AbaCKCjN (ORCPT ); Mon, 10 Mar 2014 22:39:13 -0400 Date: Mon, 10 Mar 2014 22:39:10 -0400 (EDT) Message-Id: <20140310.223910.1009590531824384809.davem@davemloft.net> To: hpa@zytor.com Cc: torvalds@linux-foundation.org, ast@plumgrid.com, dborkman@redhat.com, mingo@kernel.org, wad@chromium.org, rostedt@goodmis.org, a.p.zijlstra@chello.nl, hagen@jauu.net, jesse@nicira.com, tglx@linutronix.de, edumazet@google.com, akpm@linux-foundation.org, fweisbec@gmail.com, acme@infradead.org, penberg@iki.fi, arjan@infradead.org, hch@infradead.org, xemul@parallels.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH v8 net-next 1/3] filter: add Extended BPF interpreter and converter From: David Miller In-Reply-To: <3ee8da10-166e-45c1-925a-f089085fdff4@email.android.com> References: <20140310.222449.561233409099006984.davem@davemloft.net> <3ee8da10-166e-45c1-925a-f089085fdff4@email.android.com> X-Mailer: Mew version 6.5 on Emacs 24.3 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.7 (shards.monkeyblade.net [149.20.54.216]); Mon, 10 Mar 2014 19:39:12 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "H. Peter Anvin" Date: Mon, 10 Mar 2014 19:33:03 -0700 > Why not for variables? It makes a lot of sense of nothing else to > avoid the confusion that invariably happens when someone decides to > introduce the value 2 or -1 to an existing variable (and yes, thus > has happened a number of times.) > > Not to mention they take a single byte rather than four for an int if stored in memory. No objection :)