Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759860AbXENGh3 (ORCPT ); Mon, 14 May 2007 02:37:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753863AbXENGhS (ORCPT ); Mon, 14 May 2007 02:37:18 -0400 Received: from ug-out-1314.google.com ([66.249.92.173]:63798 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753221AbXENGhQ (ORCPT ); Mon, 14 May 2007 02:37:16 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:mime-version:content-type:content-transfer-encoding:content-disposition; b=HfbeFNgMtdwUCDcZprHIEu4MK4Got4F4UkF+2O8ZSVTXuAja6GzP0fKQKD064m6K1RssLgPjGdSGTbqmdWt+UisjRvDBIzCpq8ymsvmdK9X3GuKA27SEjg203L7kbYkZMn1pje3qr6rS100hDJnItK96Srah+UuBmU7M5QHdk8o= Message-ID: <9f1dc2cf0705132337k13aa3ccesc575d4550492a24e@mail.gmail.com> Date: Mon, 14 May 2007 12:07:12 +0530 From: "Learning Linux" To: kernelnewbies@nl.linux.org, linux-newbie@vger.kernel.org Subject: Why can't we sleep in an ISR? Cc: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 447 Lines: 12 I have a very basic doubt here ... what makes it impossible to sleep in an ISR? I mean, I know that the kernel preemption is disabled and the kernel will panic, but I could not understand why? TIA, LL - 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/