Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265884AbUFOTcK (ORCPT ); Tue, 15 Jun 2004 15:32:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265875AbUFOTcJ (ORCPT ); Tue, 15 Jun 2004 15:32:09 -0400 Received: from fw.osdl.org ([65.172.181.6]:24961 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S265889AbUFOTaE (ORCPT ); Tue, 15 Jun 2004 15:30:04 -0400 Date: Tue, 15 Jun 2004 12:30:00 -0700 From: Chris Wright To: Robin Holt Cc: "Richard B. Johnson" , Dean Nelson , Arjan van de Ven , linux-kernel@vger.kernel.org, rusty@rustcorp.com.au Subject: Re: calling kthread_create() from interrupt thread Message-ID: <20040615123000.Z22989@build.pdx.osdl.net> References: <40CF350B.mailxD2X1NPFBC@aqua.americas.sgi.com> <1087321777.2710.43.camel@laptop.fenrus.com> <20040615180525.GA17145@sgi.com> <20040615190114.GA6151@lnx-holt.americas.sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20040615190114.GA6151@lnx-holt.americas.sgi.com>; from holt@sgi.com on Tue, Jun 15, 2004 at 02:01:14PM -0500 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 658 Lines: 17 * Robin Holt (holt@sgi.com) wrote: > Currently, the interrupt handler wakes a thread sleeping on a > wait_event_interruptible(). This wakeup is taking approx 35uSec. Dean > is looking for a lower latency means of doing the wakeup. I can't imagine adding thread creation, etc to the mix is going to improve latency. thanks, -chris -- Linux Security Modules http://lsm.immunix.org http://lsm.bkbits.net - 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/