From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261186AbVFAVam (ORCPT ); Wed, 1 Jun 2005 17:30:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261195AbVFAVah (ORCPT ); Wed, 1 Jun 2005 17:30:37 -0400 Received: from relais.videotron.ca ([24.201.245.36]:15524 "EHLO relais.videotron.ca") by vger.kernel.org with ESMTP id S261186AbVFAV3v (ORCPT ); Wed, 1 Jun 2005 17:29:51 -0400 Date: Wed, 01 Jun 2005 17:29:48 -0400 (EDT) From: Nicolas Pitre Subject: Re: RT patch acceptance In-reply-to: <20050601210716.GB5413@g5.random> X-X-Sender: nico@localhost.localdomain To: Andrea Arcangeli Cc: Bill Huey , Esben Nielsen , Thomas Gleixner , Karim Yaghmour , Ingo Molnar , Paulo Marques , "Paul E. McKenney" , James Bruce , Nick Piggin , Andi Kleen , Sven-Thorsten Dietrich , dwalker@mvista.com, hch@infradead.org, akpm@osdl.org, linux-kernel@vger.kernel.org Message-id: MIME-version: 1.0 Content-type: TEXT/PLAIN; charset=US-ASCII Content-transfer-encoding: 7BIT References: <20050601192224.GV5413@g5.random> <20050601195905.GX5413@g5.random> <20050601201754.GA27795@nietzsche.lynx.com> <20050601203212.GZ5413@g5.random> <20050601204612.GA27934@nietzsche.lynx.com> <20050601210716.GB5413@g5.random> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 1 Jun 2005, Andrea Arcangeli wrote: > Why don't you run grep yourself, this is only drivers/ > [...] > ./mtd/chips/cfi_cmdset_0001.c: local_irq_disable(); > ./mtd/chips/cfi_cmdset_0001.c: local_irq_disable(); I can speak at least for those two since I added them and they are indeed OK with RT and actually needed even with RT. > As said even if all the above is audited, it _can_ break over time, > while it wouldn't break with RTAI/rtlinux even if you infinite loop and > hang in there. Actualy it's RTAI/rtlinux which is broken wrt the above IRQ disable. See for yourself when they're used and watch RTAI/rtlinux crash. Nicolas