From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762838AbbA3TKW (ORCPT ); Fri, 30 Jan 2015 14:10:22 -0500 Received: from foss-mx-na.foss.arm.com ([217.140.108.86]:46740 "EHLO foss-mx-na.foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752259AbbA3TKV (ORCPT ); Fri, 30 Jan 2015 14:10:21 -0500 Message-ID: <54CBD715.9040000@arm.com> Date: Fri, 30 Jan 2015 19:10:13 +0000 From: Marc Zyngier User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.3.0 MIME-Version: 1.0 To: Yun Wu , "tglx@linutronix.de" , "jason@lakedaemon.net" CC: "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH 1/5] irqchip: gicv3-its: allocate proper size for DT References: <1422604009-9248-1-git-send-email-wuyun.wu@huawei.com> <1422604009-9248-2-git-send-email-wuyun.wu@huawei.com> In-Reply-To: <1422604009-9248-2-git-send-email-wuyun.wu@huawei.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 30/01/15 07:46, Yun Wu wrote: > A hardware implementation may be designed to search the device > table (DT) using a direct mapping between device ID and memory > address, and in this scenario a single page, currently allocated > for DT in ITS driver, will be probably not enough. > > This patch will try best to get this addressed by enlarging DT > size with a limitation of MAX_ORDER pages. > > Signed-off-by: Yun Wu A similar patch has been posted already (and is already in my queue): https://git.kernel.org/cgit/linux/kernel/git/maz/arm-platforms.git/commit/?h=irq/gic-fixes&id=4be3de2af2a58476f84d678f3e8a3596f23f80d5 M. -- Jazz is not dead. It just smells funny...