Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752610AbaJFM6X (ORCPT ); Mon, 6 Oct 2014 08:58:23 -0400 Received: from mail-qc0-f181.google.com ([209.85.216.181]:61342 "EHLO mail-qc0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752330AbaJFM6U (ORCPT ); Mon, 6 Oct 2014 08:58:20 -0400 Date: Mon, 6 Oct 2014 08:58:17 -0400 From: Tejun Heo To: Alexander Gordeev Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Subject: Re: [PATCH RESEND v3 5/6] AHCI: Optimize single IRQ interrupt processing Message-ID: <20141006125817.GA18303@htj.dyndns.org> References: <20140923205710.GB17332@mtj.dyndns.org> <20140924104213.GA2695@agordeev.usersys.redhat.com> <20140924130444.GA16555@htj.dyndns.org> <20140924140844.GB2695@agordeev.usersys.redhat.com> <20140924143913.GH16555@htj.dyndns.org> <20141001153114.GE8971@agordeev.usersys.redhat.com> <20141005022311.GD8549@htj.dyndns.org> <20141005161646.GB22223@mtj.dyndns.org> <20141006072710.GH8971@agordeev.usersys.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20141006072710.GH8971@agordeev.usersys.redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Alexander. On Mon, Oct 06, 2014 at 08:27:11AM +0100, Alexander Gordeev wrote: > > Why are we bouncing the context twice? > > I *did* consider moving the threaded handler code to the softirq part. > I just wanted to get updates in stages: to address hardware interrupts > latency first and possibly threaded hander next. Getting done these two > together would be too big change for me ;) I don't think we'd be able to move libata handling to block softirq and probably end up just doing it from the irq context. Anyways, as long as you're gonna keep working on it, I have no objection to the proposed changes. Do you have a refreshed version or is the current version good for inclusion? Thanks. -- 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/