From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp09.au.ibm.com (e23smtp09.au.ibm.com [202.81.31.142]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e23smtp09.au.ibm.com", Issuer "GeoTrust SSL CA" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 286702C0092 for ; Mon, 20 May 2013 14:27:51 +1000 (EST) Received: from /spool/local by e23smtp09.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 21 May 2013 01:25:13 +1000 Received: from d23relay05.au.ibm.com (d23relay05.au.ibm.com [9.190.235.152]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 06141357804A for ; Mon, 20 May 2013 14:27:42 +1000 (EST) Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay05.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r4K4DRVn23527546 for ; Mon, 20 May 2013 14:13:28 +1000 Received: from d23av04.au.ibm.com (loopback [127.0.0.1]) by d23av04.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r4K4Rewn011340 for ; Mon, 20 May 2013 14:27:41 +1000 From: "Aneesh Kumar K.V" To: Michael Neuling Subject: Re: [PATCH 1/2] powerpc: use smp_rmb when looking at deposisted pgtable to store hash index In-Reply-To: <26735.1369012726@ale.ozlabs.ibm.com> References: <1368778503-23230-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <26735.1369012726@ale.ozlabs.ibm.com> Date: Mon, 20 May 2013 09:57:38 +0530 Message-ID: <87vc6e9sxx.fsf@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain Cc: paulus@samba.org, linuxppc-dev@lists.ozlabs.org, dwg@au1.ibm.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Michael Neuling writes: > Aneesh Kumar K.V wrote: > >> From: "Aneesh Kumar K.V" >> >> We need to use smb_rmb when looking at hpte slot array. Otherwise we could >> reorder the hpte_slot array load bfore even we marked the pmd trans huge. > > Does this need to go back into the stable series? > No the changes are not yet upstream. hpte_slot_array changes are in the THP series. I didn't want to post the entire series again with the above two patches. -aneesh