From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [203.10.76.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.ozlabs.org", Issuer "CA Cert Signing Authority" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id AA941B6F56 for ; Fri, 26 Jun 2009 05:35:14 +1000 (EST) 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 3D88EDDD01 for ; Fri, 26 Jun 2009 05:35:13 +1000 (EST) Message-ID: <4A43D15A.60806@freescale.com> Date: Thu, 25 Jun 2009 14:34:50 -0500 From: Scott Wood MIME-Version: 1.0 To: kernel mailz Subject: Re: 85xx Address space query References: <4A42AE1A.1090107@freescale.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , kernel mailz wrote: > So this means > when kernel gets interrupted by app which may be in PID=5 (say) > kernel translations for PID=0 remain valid ? > I am not able to follow Scott Yes, exactly. They're valid even in userspace, except to the extent that the kernel marks them supervisor-only. -Scott