Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757985AbbEEKxu (ORCPT ); Tue, 5 May 2015 06:53:50 -0400 Received: from foss.arm.com ([217.140.101.70]:44389 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757955AbbEEKxj (ORCPT ); Tue, 5 May 2015 06:53:39 -0400 Date: Tue, 5 May 2015 11:53:29 +0100 From: Will Deacon To: Robert Richter Cc: Marc Zyngier , Catalin Marinas , Tirumalesh Chalamarla , Radha Mohan Chintakuntla , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Robert Richter Subject: Re: [PATCH 4/4] arm64: gicv3: its: Increase FORCE_MAX_ZONEORDER for Cavium ThunderX Message-ID: <20150505105329.GC1550@arm.com> References: <1430686172-18222-1-git-send-email-rric@kernel.org> <1430686172-18222-5-git-send-email-rric@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1430686172-18222-5-git-send-email-rric@kernel.org> 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 Content-Length: 715 Lines: 17 On Sun, May 03, 2015 at 09:49:32PM +0100, Robert Richter wrote: > From: Radha Mohan Chintakuntla > > In case of ARCH_THUNDER, there is a need to allocate the GICv3 ITS table > which is bigger than the allowed max order. So we are forcing it only in > case of 4KB page size. Does this problem disappear if the ITS driver uses dma_alloc_coherent instead? That would also allow us to remove the __flush_dcache_area abuse from the driver. Will -- 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/