From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754165Ab0IIJyF (ORCPT ); Thu, 9 Sep 2010 05:54:05 -0400 Received: from eddie.linux-mips.org ([78.24.191.182]:56820 "EHLO cvs.linux-mips.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751348Ab0IIJyE (ORCPT ); Thu, 9 Sep 2010 05:54:04 -0400 Date: Thu, 9 Sep 2010 11:53:59 +0200 From: Ralf Baechle To: Kevin Cernekee Cc: linux-mips@linux-mips.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/3] MIPS: Allow UserLocal on MIPS_R1 processors Message-ID: <20100909095359.GA27815@linux-mips.org> References: <064bb0722da5d8c271c2bd9fe0a521cc@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-12-10) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 08, 2010 at 04:02:14PM -0700, Kevin Cernekee wrote: > Some MIPS32R1 processors implement UserLocal (RDHWR $29) to accelerate > programs that make extensive use of thread-local storage. Therefore, > setting up the HWRENA register should not depend on cpu_has_mips_r2. Interesting - which R1 processor has RDHWR? When UserLocal was conceived R2 was already long released. Ralf