Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262949AbUCSNQN (ORCPT ); Fri, 19 Mar 2004 08:16:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262938AbUCSNQN (ORCPT ); Fri, 19 Mar 2004 08:16:13 -0500 Received: from caramon.arm.linux.org.uk ([212.18.232.186]:45328 "EHLO caramon.arm.linux.org.uk") by vger.kernel.org with ESMTP id S262951AbUCSNQM (ORCPT ); Fri, 19 Mar 2004 08:16:12 -0500 Date: Fri, 19 Mar 2004 13:16:08 +0000 From: Russell King To: Jamie Lokier Cc: Robert_Hentosh@Dell.com, linux-kernel@vger.kernel.org Subject: Re: spurious 8259A interrupt Message-ID: <20040319131608.A14431@flint.arm.linux.org.uk> Mail-Followup-To: Jamie Lokier , Robert_Hentosh@Dell.com, linux-kernel@vger.kernel.org References: <6C07122052CB7749A391B01A4C66D31E014BEA49@ausx2kmps304.aus.amer.dell.com> <20040319130609.GE2650@mail.shareable.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20040319130609.GE2650@mail.shareable.org>; from jamie@shareable.org on Fri, Mar 19, 2004 at 01:06:10PM +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 756 Lines: 17 On Fri, Mar 19, 2004 at 01:06:10PM +0000, Jamie Lokier wrote: > For those rare occasions when an interrupt handler wants to re-enable > interrupts (sti), _then_ it could mask the interrupt that called the handler. Interrupt handlers generally run with the CPU interrupt disable flag cleared, so other interrupts can be serviced. -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/ 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/