From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id F1F01DDEDE for ; Mon, 17 Mar 2008 07:39:26 +1100 (EST) Subject: Re: PPC upstream kernel ignored DABR bug From: Benjamin Herrenschmidt To: Segher Boessenkool In-Reply-To: <50c1640385e5eecc50430869175a70c7@kernel.crashing.org> References: <20071126220224.GA5606@host0.dyn.jankratochvil.net> <200803101501.34439.jens@de.ibm.com> <1205344272.2272.45.camel@gargoyle> <200803122330.36905.jens@de.ibm.com> <20080313014745.DE97826F992@magilla.localdomain> <2f8f82fe943fcd5103ec4cc39cc1bb26@kernel.crashing.org> <20080313224234.0A4FB26F993@magilla.localdomain> <7d9961563967d5f810a5f597519a7c63@kernel.crashing.org> <20080314074547.BC48926F995@magilla.localdomain> <50c1640385e5eecc50430869175a70c7@kernel.crashing.org> Content-Type: text/plain Date: Mon, 17 Mar 2008 07:38:43 +1100 Message-Id: <1205699923.26869.116.camel@pasglop> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org, Paul Mackerras , Jan Kratochvil , Arnd Bergmann , Roland McGrath Reply-To: benh@kernel.crashing.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 2008-03-14 at 09:42 +0100, Segher Boessenkool wrote: > > I saw no effect from that change. So now we're back to pure > mystery, > > I guess. > > Hey, we know something now: it's "just" a problem in the kernel :-) We don't know that for sure. The DABR context switching code is trivial enough... Ben.