Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757519AbYAOVd6 (ORCPT ); Tue, 15 Jan 2008 16:33:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755143AbYAOVdv (ORCPT ); Tue, 15 Jan 2008 16:33:51 -0500 Received: from smtp-vbr5.xs4all.nl ([194.109.24.25]:4551 "EHLO smtp-vbr5.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754241AbYAOVdu (ORCPT ); Tue, 15 Jan 2008 16:33:50 -0500 Date: Tue, 15 Jan 2008 22:33:30 +0100 From: Folkert van Heusden To: Lee Revell Cc: Jan Marek , "linux-os (Dick Johnson)" , lkml Subject: Re: Is it possible to change IRQ for certain device? Message-ID: <20080115213330.GR4263@vanheusden.com> References: <20080110110535.GA25706@hazard.jcu.cz> <20080111165711.GA21173@hazard.jcu.cz> <75b66ecd0801131957s1e70bda9x342f16a7d16a2789@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <75b66ecd0801131957s1e70bda9x342f16a7d16a2789@mail.gmail.com> Organization: www.unixexpert.nl X-Chameleon-Return-To: folkert@vanheusden.com X-Xfmail-Return-To: folkert@vanheusden.com X-Phonenumber: +31-6-41278122 X-URL: http://www.vanheusden.com/ X-PGP-KeyID: 1F28D8AE X-GPG-fingerprint: AC89 09CE 41F2 00B4 FCF2 B174 3019 0E8C 1F28 D8AE X-Key: http://pgp.surfnet.nl:11371/pks/lookup?op=get&search=0x1F28D8AE Read-Receipt-To: Reply-By: Tue Jan 15 21:39:07 CET 2008 X-Message-Flag: MultiTail - tail on steroids User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 999 Lines: 23 > Why is a shared IRQ a problem for you? IRQ handlers are supposed to > be fast enough that disabling an IRQ line for the duration of the > handler execution should not be a problem even if the IRQ is shared. Take the 'zaptel' driver for example, for FXO cards for Asterisk for example. They hate to share their irq. In fact: they refuse to work when their irq is shared. Folkert van Heusden -- MultiTail na wan makriki wrokosani fu tan luku den logfile nanga san den commando spiti puru. Piki puru spesrutu sani, wroko nanga difrenti kroru, tya kon makandra, nanga wan lo moro. http://www.vanheusden.com/multitail/ ---------------------------------------------------------------------- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com -- 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/