Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754392Ab0GJKIN (ORCPT ); Sat, 10 Jul 2010 06:08:13 -0400 Received: from hera.kernel.org ([140.211.167.34]:40537 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754116Ab0GJKIM (ORCPT ); Sat, 10 Jul 2010 06:08:12 -0400 Message-ID: <4C384620.8040808@kernel.org> Date: Sat, 10 Jul 2010 12:06:24 +0200 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.2.4) Gecko/20100608 Thunderbird/3.1 MIME-Version: 1.0 To: Jeff Garzik CC: mingo@elte.hu, tglx@linutronix.de, bphilips@suse.de, yinghai@kernel.org, akpm@linux-foundation.org, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, stern@rowland.harvard.edu, gregkh@suse.de, khali@linux-fr.org Subject: Re: [PATCH 11/12] libata: use IRQ expecting References: <1276443098-20653-1-git-send-email-tj@kernel.org> <1276443098-20653-12-git-send-email-tj@kernel.org> <4C23F6C1.7070603@garzik.org> <4C245E50.7090701@kernel.org> <4C2577F2.4030005@garzik.org> <4C25BAD2.4070705@kernel.org> <4C25C551.8000404@garzik.org> <4C25CC18.2070507@kernel.org> <4C2DFAB0.3020703@kernel.org> In-Reply-To: <4C2DFAB0.3020703@kernel.org> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Sat, 10 Jul 2010 10:06:52 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 696 Lines: 19 On 07/02/2010 04:41 PM, Tejun Heo wrote: > Hello, Jeff. > > So, something like the following. This should be applied on top of > the two previous libata patches. The amount of code in the hot path > is very small. Compared to the cpu actually taking an interrupt and > accessing hardware, it should be negligible, and this will give us > working and acceptably performing systems in the presence of most > types of IRQ problems. Ping. -- tejun -- 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/