From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from az33egw02.freescale.net (az33egw02.freescale.net [192.88.158.103]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "az33egw02.freescale.net", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id ECFD8B7BB4 for ; Tue, 6 Oct 2009 08:31:34 +1100 (EST) Received: from az33smr02.freescale.net (az33smr02.freescale.net [10.64.34.200]) by az33egw02.freescale.net (8.14.3/az33egw02) with ESMTP id n95LVVpQ015227 for ; Mon, 5 Oct 2009 14:31:32 -0700 (MST) Received: from az33exm25.fsl.freescale.net (az33exm25.am.freescale.net [10.64.32.16]) by az33smr02.freescale.net (8.13.1/8.13.0) with ESMTP id n95LVWm9003052 for ; Mon, 5 Oct 2009 16:31:32 -0500 (CDT) Message-ID: <4ACA65CE.3070406@freescale.com> Date: Mon, 05 Oct 2009 16:31:58 -0500 From: Scott Wood MIME-Version: 1.0 To: Joakim Tjernlund Subject: Re: [PATCH 0/6] PowerPc 8xx TLB/MMU fixes References: <1254744999-3158-1-git-send-email-Joakim.Tjernlund@transmode.se> <20091005181233.GA3576@loki.buserror.net> <20091005200941.GD3576@loki.buserror.net> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Cc: Rex Feany , "linuxppc-dev@ozlabs.org" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Joakim Tjernlund wrote: > Yes, every ld.so uses dcbX and icbi insn when relocatin code. > Maybe you see some version of the dcbX bug, but my fault.c should > fix them up. My bet would be the 32 byte cache line, it will miss > out every second line and so the results are unreliable. I found the 32-byte stuff from an objdump; it looks like there's a runtime check for the cache line size that avoids running that code if it's different. -Scott