From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.lixom.net (lixom.net [66.141.50.11]) by ozlabs.org (Postfix) with ESMTP id AAC15DDFE9 for ; Tue, 18 Mar 2008 11:27:22 +1100 (EST) Date: Mon, 17 Mar 2008 19:34:34 -0500 From: Olof Johansson To: Tony Breeds Subject: Re: [PATCH v2] Force 4K pages for IO addresses. Message-ID: <20080318003434.GA671@lixom.net> References: <20080317034758.GG6887@bakeyournoodle.com> <20080317035419.GH6887@bakeyournoodle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20080317035419.GH6887@bakeyournoodle.com> Cc: LinuxPPC-dev , Jan-Bernd Themann , Paul Mackerras , Stephen Rothwell List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, Mar 17, 2008 at 02:54:19PM +1100, Tony Breeds wrote: > Currently HEA requires 4K pages for IO resources. Just set the pages size to > IO to 4K. Well, that's too bad. Why penalize all platforms for it? I.e.: Nack, we use 64K iopages on pa6t and it works well. No need to waste tlb and erat space. -Olof