Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754721Ab0GLHqI (ORCPT ); Mon, 12 Jul 2010 03:46:08 -0400 Received: from hera.kernel.org ([140.211.167.34]:59175 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751018Ab0GLHqF (ORCPT ); Mon, 12 Jul 2010 03:46:05 -0400 Message-ID: <4C3AC826.4010506@kernel.org> Date: Mon, 12 Jul 2010 09:45:42 +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: Rusty Russell CC: Linus Torvalds , Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Peter Zijlstra , the arch/x86 maintainers , lkml , Christoph Lameter , Steven Rostedt , Frederic Weisbecker Subject: Re: [RFC PATCH] x86-64: software IRQ masking and handling References: <4C3A06E3.50402@kernel.org> <201007121149.58129.rusty@rustcorp.com.au> In-Reply-To: <201007121149.58129.rusty@rustcorp.com.au> 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]); Mon, 12 Jul 2010 07:45:44 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 830 Lines: 23 Hello, Rusty. On 07/12/2010 04:19 AM, Rusty Russell wrote: > Also, is it worth trying to implement this soft disable generically? > I know at least ppc64 does it today... > > (Y'know, because your initial patch wasn't ambitious enough...) We can evolve things such that common parts are factored into generic code but most of important part being heavily dependent on the specific architecture, I don't think there will be too much (calling irqhandler on a separate stack if necessary, generic IRQ masking flag mgmt maybe merged into preemption flag and so on). 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/