From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751385AbeAYHrI (ORCPT ); Thu, 25 Jan 2018 02:47:08 -0500 Received: from bombadil.infradead.org ([65.50.211.133]:54401 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751056AbeAYHrH (ORCPT ); Thu, 25 Jan 2018 02:47:07 -0500 Date: Wed, 24 Jan 2018 23:46:58 -0800 From: Christoph Hellwig To: Palmer Dabbelt Cc: linux@armlinux.org.uk, catalin.marinas@arm.com, Will Deacon , jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, tglx@linutronix.de, Christoph Hellwig , Arnd Bergmann , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, patches@groups.riscv.org Subject: Re: [PATCH v2 4/4] RISC-V: Move to the new generic IRQ handler Message-ID: <20180125074658.GD14162@infradead.org> References: <20180125030756.21787-1-palmer@sifive.com> <20180125030756.21787-5-palmer@sifive.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180125030756.21787-5-palmer@sifive.com> User-Agent: Mutt/1.9.1 (2017-09-22) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 24, 2018 at 07:07:56PM -0800, Palmer Dabbelt wrote: > The old mechanism for handling IRQs on RISC-V was pretty ugly: the arch > code looked at the Kconfig entry for our first-level irqchip driver and > called into it directly. > > This patch uses the new 0generic IRQ handling infastructure, which > essentially just deletes a bunch of code. This does add an additional > load to the interrupt latency, but there's a lot of tuning left to be > done there on RISC-V so I think it's OK for now. > > Signed-off-by: Palmer Dabbelt Looks good, Reviewed-by: Christoph Hellwig