From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f70.google.com (mail-lf0-f70.google.com [209.85.215.70]) by kanga.kvack.org (Postfix) with ESMTP id C4AD56B03CB for ; Wed, 21 Dec 2016 13:17:54 -0500 (EST) Received: by mail-lf0-f70.google.com with SMTP id c13so62345331lfg.4 for ; Wed, 21 Dec 2016 10:17:54 -0800 (PST) Received: from asavdk3.altibox.net (asavdk3.altibox.net. [109.247.116.14]) by mx.google.com with ESMTPS id c185si15410652lfc.317.2016.12.21.10.17.53 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 21 Dec 2016 10:17:53 -0800 (PST) Date: Wed, 21 Dec 2016 19:17:51 +0100 From: Sam Ravnborg Subject: Re: [RFC PATCH 04/14] sparc64: load shared id into context register 1 Message-ID: <20161221181751.GE3311@ravnborg.org> References: <1481913337-9331-1-git-send-email-mike.kravetz@oracle.com> <1481913337-9331-5-git-send-email-mike.kravetz@oracle.com> <20161217.221442.430708127662119954.davem@davemloft.net> <62091365-2797-ed99-847f-7281f4666633@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <62091365-2797-ed99-847f-7281f4666633@oracle.com> Sender: owner-linux-mm@kvack.org List-ID: To: Mike Kravetz Cc: David Miller , sparclinux@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, bob.picco@oracle.com, nitin.m.gupta@oracle.com, vijay.ac.kumar@oracle.com, julian.calaby@gmail.com, adam.buchbinder@gmail.com, kirill.shutemov@linux.intel.com, mhocko@suse.com, akpm@linux-foundation.org Hi Mike. > Or, perhaps we only enable > the shared context ID feature on processors which have the ability to work > around the backwards compatibility feature. Start out like this, and then see if it is really needed with the older processors. This should keep the code logic simpler - which is always good for this complicated stuff. Sam -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org