From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <18486.19905.421960.700640@cargo.ozlabs.ibm.com> Date: Fri, 23 May 2008 14:53:21 +1000 From: Paul Mackerras To: Nick Piggin Subject: Re: [patch 1/2] powerpc: rmb fix In-Reply-To: <20080523044052.GA13071@wotan.suse.de> References: <20080521141056.GC8897@wotan.suse.de> <1211383623.8297.197.camel@pasglop> <20080521153247.GF8897@wotan.suse.de> <18486.10385.934128.122054@cargo.ozlabs.ibm.com> <20080523044052.GA13071@wotan.suse.de> Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Nick Piggin writes: > There don't seem to actually be read*_relaxed calls that also use rmb > in the same file (although there is no reason why they might not appear). > But I must be thinking of are the raw_read accessors. They aren't ordered > on powerpc, and a few drivers appear to hope rmb() will order them. Which drivers? Paul.