From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Sun, 03 Dec 2006 21:35:21 +0000 (GMT) Received: from localhost.localdomain ([127.0.0.1]:43744 "EHLO dl5rb.ham-radio-op.net") by ftp.linux-mips.org with ESMTP id S20037799AbWLCVfT (ORCPT ); Sun, 3 Dec 2006 21:35:19 +0000 Received: from denk.linux-mips.net (denk.linux-mips.net [127.0.0.1]) by dl5rb.ham-radio-op.net (8.13.8/8.13.8) with ESMTP id kB3LZJub024195; Sun, 3 Dec 2006 21:35:19 GMT Received: (from ralf@localhost) by denk.linux-mips.net (8.13.8/8.13.8/Submit) id kB3LZIwe024194; Sun, 3 Dec 2006 21:35:18 GMT Date: Sun, 3 Dec 2006 21:35:18 +0000 From: Ralf Baechle To: Atsushi Nemoto Cc: linux-mips@linux-mips.org Subject: Re: [MIPS] Use conditional traps for BUG_ON on MIPS II and better. Message-ID: <20061203213518.GA22225@linux-mips.org> References: <20061204.015327.36921579.anemo@mba.ocn.ne.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20061204.015327.36921579.anemo@mba.ocn.ne.jp> User-Agent: Mutt/1.4.2.2i 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: 13332 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 Mon, Dec 04, 2006 at 01:53:27AM +0900, Atsushi Nemoto wrote: > > This shaves of around 4kB and a few cycles for the average kernel that > > has CONFIG_BUG enabled. > > > > Signed-off-by: Ralf Baechle > > It seems this commit break QEMU kernel ... or QEMU can not interpret > the TNE instruction correctly? Thiemo says that's indeed a possibility. Probably that feature has not been well tested in qemu. Ralf