From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from az33egw02.freescale.net (az33egw02.freescale.net [192.88.158.103]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "az33egw02.freescale.net", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 511B2B6F1E for ; Thu, 12 Nov 2009 02:26:33 +1100 (EST) Date: Wed, 11 Nov 2009 09:26:53 -0600 From: Scott Wood To: Joakim Tjernlund Subject: Re: [PATCH 0/8] 8xx: Misc fixes for buggy insn Message-ID: <20091111152653.GA688@loki.buserror.net> References: <4AF99695.800@freescale.com> <4AF99B00.6080504@freescale.com> <4AF9CC99.1030500@freescale.com> <4AF9DCE0.4030805@freescale.com> <4AF9E2E2.7030100@freescale.com> <4AF9F56E.9080104@freescale.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Cc: "linuxppc-dev@ozlabs.org" , Rex Feany List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, Nov 11, 2009 at 01:06:10AM +0100, Joakim Tjernlund wrote: > Scott Wood wrote on 11/11/2009 00:21:18: > > Where would you put the dcbi? How do you regain control after that > > cache line has been refilled, but before code flows back to the bad branch? > > The dcbi would replace the current CPU15 tlbie. But that only works if you take an ITLB miss at the right time. -Scott