From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e5.ny.us.ibm.com (e5.ny.us.ibm.com [32.97.182.145]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e5.ny.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 554D4DDFEB for ; Sun, 14 Sep 2008 09:38:02 +1000 (EST) Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e5.ny.us.ibm.com (8.13.8/8.13.8) with ESMTP id m8DNbnBD019037 for ; Sat, 13 Sep 2008 19:37:49 -0400 Received: from d01av03.pok.ibm.com (d01av03.pok.ibm.com [9.56.224.217]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v9.1) with ESMTP id m8DNbnn6199086 for ; Sat, 13 Sep 2008 19:37:49 -0400 Received: from d01av03.pok.ibm.com (loopback [127.0.0.1]) by d01av03.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id m8DNbm9J021716 for ; Sat, 13 Sep 2008 19:37:49 -0400 Date: Sat, 13 Sep 2008 19:37:12 -0400 From: Josh Boyer To: benh@kernel.crashing.org Subject: Re: [PATCH] powerpc: add support for PAGE_SIZEs greater than 4KB for Message-ID: <20080913193712.526aac41@zod.rchland.ibm.com> In-Reply-To: <1221328153.7675.25.camel@pasglop> References: <1221083587-8091-1-git-send-email-yanok@emcraft.com> <1221083587-8091-2-git-send-email-yanok@emcraft.com> <49c0ff980809110957h4b7b85d4ie39dbb27d1edbe39@mail.gmail.com> <1221328153.7675.25.camel@pasglop> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: linuxppc-dev@ozlabs.org, prodyut hazarika , wd@denx.de, dzu@denx.de, Ilya Yanok List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sat, 13 Sep 2008 10:49:13 -0700 Benjamin Herrenschmidt wrote: > On Thu, 2008-09-11 at 09:57 -0700, prodyut hazarika wrote: > > > You should mention an example of dedicated cases (eg. RAID). > > I think this help should mention that for page size 256KB, you will > > need to have a special version of binutils, since the ELF standard > > mentions page sizes only upto 64KB. > > He should also put a BIG FAT warning with 256K pages. Those will -not- > work with most existing userspace. The maximum page size supported by > the current userspace ABI is 64K as this is the alignment requirement of > our toolchain for the various program sections. I think that's been noted like 5 times now :) josh