From owner-freebsd-arch@FreeBSD.ORG Sun Nov 25 13:37:22 2012 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 30972506; Sun, 25 Nov 2012 13:37:22 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from mail-lb0-f182.google.com (mail-lb0-f182.google.com [209.85.217.182]) by mx1.freebsd.org (Postfix) with ESMTP id 0D7448FC17; Sun, 25 Nov 2012 13:37:20 +0000 (UTC) Received: by mail-lb0-f182.google.com with SMTP id go10so7247376lbb.13 for ; Sun, 25 Nov 2012 05:37:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=sOy3O2jzaHqSDtvrM8xlzBIK1ymFObmKgtpUb9/hY+M=; b=sHChh4l4gqmqbjKEBXM5LtzNGYoIAa4r5h6Ii0+kbZJnHy+EwWRnXZETcnADaZh25R DCsxoPMvTfTkkfcySMiExWXx4FvOCwzZcyjrcCXQlZRfanc5/p8a7QsSPSgwuLJBV8W2 h1W/b7HYPWmdl3ew4XexZcOfSC5mhanS8EUJ/3hqPtTyABXO+LakdtiONeN3WnDKT/FV OCXbudjlYcoFWixMBrtJdUrA9LNWcw4oIyTZzsP/hCRw6zukliEzHkkpkraH6QLhulG5 2KVGEhtWI/l3v5oTffrchiI2oMKOYOPbfU1K7Ohy7ZEh42Ru10sThHf5q8BAyisxfVwN ndoA== MIME-Version: 1.0 Received: by 10.112.26.67 with SMTP id j3mr3979866lbg.39.1353850639777; Sun, 25 Nov 2012 05:37:19 -0800 (PST) Sender: asmrookie@gmail.com Received: by 10.112.134.5 with HTTP; Sun, 25 Nov 2012 05:37:19 -0800 (PST) In-Reply-To: <20121125131252.GJ1460@garage.freebsd.pl> References: <20121125123920.GI1460@garage.freebsd.pl> <20121125131252.GJ1460@garage.freebsd.pl> Date: Sun, 25 Nov 2012 13:37:19 +0000 X-Google-Sender-Auth: N8EJXNjtOLmV3R7ZWDhW0Zp7oV0 Message-ID: Subject: Re: [RFQ] make witness panic an option From: Attilio Rao To: Pawel Jakub Dawidek Content-Type: text/plain; charset=UTF-8 Cc: "freebsd-hackers@freebsd.org" , Adrian Chadd , Giovanni Trematerra , freebsd-arch@freebsd.org X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: attilio@FreeBSD.org List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Nov 2012 13:37:22 -0000 On Sun, Nov 25, 2012 at 1:12 PM, Pawel Jakub Dawidek wrote: > On Sun, Nov 25, 2012 at 12:42:16PM +0000, Attilio Rao wrote: >> On Sun, Nov 25, 2012 at 12:39 PM, Pawel Jakub Dawidek wrote: >> > WITNESS is a development tool. We don't ship production kernels with >> > WITNESS even compiled in. What is more efficient use of developer time: >> > going through full reboot cycle every time or reading the warning from >> > console, unloading a module, fixing the bug and loading it again? >> > >> > And if this option is turned off by default what is the problem? >> >> Yes, so, why do you write here? > > I'm trying to understand why do you object. Until now the only concern > you have that I found is that you are afraid of it being abused. I don't > see how this can be abused if it is turned off by default. If someone > will commit a change that will turn it on by default, believe me, I'll > unleash hell personally. So I don't understand what are you proposing. You are not proposing to switch BLESSING on and you are not proposing to import Adrian's patches in, if I get it correctly. I don't understand then. Attilio -- Peace can only be achieved by understanding - A. Einstein