Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760214AbYAUOkI (ORCPT ); Mon, 21 Jan 2008 09:40:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754210AbYAUOj5 (ORCPT ); Mon, 21 Jan 2008 09:39:57 -0500 Received: from smtpq2.tilbu1.nb.home.nl ([213.51.146.201]:38170 "EHLO smtpq2.tilbu1.nb.home.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754054AbYAUOj4 (ORCPT ); Mon, 21 Jan 2008 09:39:56 -0500 Message-ID: <4794ADE0.7070203@keyaccess.nl> Date: Mon, 21 Jan 2008 15:36:16 +0100 From: Rene Herman User-Agent: Thunderbird 2.0.0.9 (X11/20071031) MIME-Version: 1.0 To: jidong xiao CC: linux-kernel@vger.kernel.org Subject: Re: Question about set_intr_gate_ist() References: <4104961b0801202223w1d739365s2bd0ce552a22da19@mail.gmail.com> In-Reply-To: <4104961b0801202223w1d739365s2bd0ce552a22da19@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -1.0 (-) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 645 Lines: 16 On 21-01-08 07:23, jidong xiao wrote: > I know there is set_intr_gate(n,addr) which is used to insert an > interrupt gate in the n th IDT entry. But I don't know what the usage > of set_intr_gate_ist()? The same, while setting the "Interrupt STack" field of the descriptor to "ist". This field is a 64-bit only field, implementing a hardware stack switch. Look for it in the AMD64 docs. Rene. -- 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/