From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from penguin.netx4.com (embeddededge.com [209.113.146.155]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 74A6C67A6C for ; Thu, 5 May 2005 23:31:53 +1000 (EST) In-Reply-To: <1115297124.9050.12.camel@jmcmullan.timesys> References: <1115297124.9050.12.camel@jmcmullan.timesys> Mime-Version: 1.0 (Apple Message framework v622) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <736378e38e2e5b0b7266f5c075e20ac1@embeddededge.com> From: Dan Malek Date: Thu, 5 May 2005 09:31:41 -0400 To: Jason McMullan Cc: PPC_LINUX Subject: Re: [PATCH] 2.6.11.7 MPC8xx Swap Band-Aid List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On May 5, 2005, at 8:45 AM, Jason McMullan wrote: > First off, this patch works. Well ..... if you invalidate TLBs and flush cache often enough, you can mask lots of problems :-) > Secondly, I don't know exactly why. I just found all the band-aids I > could for MPC8xx swap functionality, applied them, and fixed the places > where it still bled. We shouldn't have the 8xx as a special case for the swap flags and information. We need to take a closer look at this. I guess I'll do that as part of fixing up the PTEs for the BDI2000 as well. > It's more of a dancing bear, than a real fix, but I now have working > swap (using ATA over Ethernet) on my MPC885 ADS. IIRC, ATA over Ethernet isn't the same as disk doing DMA due to the data copies involved. Thanks. -- Dan