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 F0FB3DDE9F for ; Fri, 28 Sep 2007 04:48:05 +1000 (EST) Date: Thu, 27 Sep 2007 13:51:21 -0500 From: Olof Johansson To: Scott Wood Subject: Re: [PATCH v4] Make instruction dumping work in real mode. Message-ID: <20070927185121.GA7258@lixom.net> References: <20070927183855.GA18226@loki.buserror.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20070927183855.GA18226@loki.buserror.net> Cc: linuxppc-dev@ozlabs.org, paulus@samba.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, Sep 27, 2007 at 01:38:55PM -0500, Scott Wood wrote: > On non-book-E-or-4xx, exceptions execute in real mode. If a fault happens > that leads to a register dump, the kernel currently prints XXXXXXXX because > it doesn't realize that PC is a physical address. > > This patch checks the state of the IMMU, and if necessary converts PC into a > virtual address. > > Signed-off-by: Scott Wood Acked-by: Olof Johansson -Olof