From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from oss.sgi.com (localhost [127.0.0.1]) by oss.sgi.com (8.12.5/8.12.5) with ESMTP id g6VKUhRw012291 for ; Wed, 31 Jul 2002 13:30:43 -0700 Received: (from majordomo@localhost) by oss.sgi.com (8.12.5/8.12.3/Submit) id g6VKUhY7012290 for linux-mips-outgoing; Wed, 31 Jul 2002 13:30:43 -0700 X-Authentication-Warning: oss.sgi.com: majordomo set sender to owner-linux-mips@oss.sgi.com using -f Received: from dea.linux-mips.net (shaft17-f104.dialo.tiscali.de [62.246.17.104]) by oss.sgi.com (8.12.5/8.12.5) with SMTP id g6VKUaRw012281 for ; Wed, 31 Jul 2002 13:30:38 -0700 Received: (from ralf@localhost) by dea.linux-mips.net (8.11.6/8.11.6) id g6VKVwZ06476; Wed, 31 Jul 2002 22:31:58 +0200 Date: Wed, 31 Jul 2002 22:31:58 +0200 From: Ralf Baechle To: "Maciej W. Rozycki" Cc: Carsten Langgaard , linux-mips@fnet.fr, linux-mips@oss.sgi.com Subject: Re: [patch] MIPS64 R4k TLB refill CP0 hazards Message-ID: <20020731223158.A6394@dea.linux-mips.net> References: <20020731004702.A2142@dea.linux-mips.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: ; from macro@ds2.pg.gda.pl on Wed, Jul 31, 2002 at 01:34:17PM +0200 X-Spam-Status: No, hits=-4.4 required=5.0 tests=IN_REP_TO version=2.20 X-Spam-Level: Sender: owner-linux-mips@oss.sgi.com Precedence: bulk On Wed, Jul 31, 2002 at 01:34:17PM +0200, Maciej W. Rozycki wrote: > > Nope, on R4000 four cycles are needed between the tlbwr and a eret > > instruction; on the R4600 just two. > > Ugh, I missed this entirely, thanks for pointing it out. The doc implies > three cycles for the R4000 actually, though. I doublechecked the docs for the R4700 as well - just one cycle needed between a tlbw and eret. Ralf