From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 12 Dec 2007 19:05:48 +0000 (GMT) Received: from localhost.localdomain ([127.0.0.1]:50591 "EHLO dl5rb.ham-radio-op.net") by ftp.linux-mips.org with ESMTP id S20033600AbXLLTFq (ORCPT ); Wed, 12 Dec 2007 19:05:46 +0000 Received: from denk.linux-mips.net (denk.linux-mips.net [127.0.0.1]) by dl5rb.ham-radio-op.net (8.14.1/8.13.8) with ESMTP id lBCJ4ubF026639; Wed, 12 Dec 2007 19:04:57 GMT Received: (from ralf@localhost) by denk.linux-mips.net (8.14.1/8.14.1/Submit) id lBCJ4tpd026638; Wed, 12 Dec 2007 19:04:55 GMT Date: Wed, 12 Dec 2007 19:04:55 +0000 From: Ralf Baechle To: Daniel Jacobowitz Cc: Chris Friesen , linux-mips@linux-mips.org Subject: Re: questions on struct sigcontext Message-ID: <20071212190455.GB26190@linux-mips.org> References: <47601DEE.4090200@nortel.com> <20071212190032.GA30506@caradoc.them.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071212190032.GA30506@caradoc.them.org> User-Agent: Mutt/1.5.17 (2007-11-01) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 17802 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Wed, Dec 12, 2007 at 02:00:32PM -0500, Daniel Jacobowitz wrote: > There used to be slots for badvaddr and cause. You'll have to ask > Ralf why he decided to clobber them for DSP state, I don't remember > :-) I suspect they may never have held useful information for you; > we don't context switch them for userspace, so an intervening fault > in kernel space or in another thread could change them. Correct, we never filled badvaddr and cause, so it was easy to recycle those fields. Ralf