From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933444AbaDBWQN (ORCPT ); Wed, 2 Apr 2014 18:16:13 -0400 Received: from smtprelay0050.hostedemail.com ([216.40.44.50]:32809 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932972AbaDBWQL (ORCPT ); Wed, 2 Apr 2014 18:16:11 -0400 X-Session-Marker: 6A6F6540706572636865732E636F6D X-Spam-Summary: 50,0,0,,d41d8cd98f00b204,joe@perches.com,:::::::::,RULES_HIT:41:355:379:541:599:800:960:967:973:988:989:1260:1261:1277:1311:1313:1314:1345:1359:1373:1437:1515:1516:1518:1534:1541:1593:1594:1711:1730:1747:1777:1792:2393:2525:2553:2560:2563:2682:2685:2828:2859:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3353:3622:3865:3866:3867:3868:3870:3871:3872:3874:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4250:4321:5007:7652:7875:8603:9025:10004:10400:10848:10967:11232:11658:11914:12043:12517:12519:12679:12740:13018:13019:13069:13161:13229:13311:13357:13869:13972,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0 X-HE-Tag: step55_8d13ca36a7f60 X-Filterd-Recvd-Size: 2419 Message-ID: <1396476967.32040.13.camel@joe-AO722> Subject: Re: [PATCH 1/1] AArch64: TCR_TG1_64K incorrectly sets TCR_EL1 bits [31:30] From: Joe Perches To: Joe Sylve Cc: Catalin Marinas , Will Deacon , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" Date: Wed, 02 Apr 2014 15:16:07 -0700 In-Reply-To: References: <20140402123844.GE31892@arm.com> <20140402170747.GC24018@arm.com> <1396475058.32040.10.camel@joe-AO722> Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: Evolution 3.8.4-0ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2014-04-02 at 17:10 -0500, Joe Sylve wrote: > Should it? The reference manual refers to the architecture as AArch64. > > On Wed, Apr 2, 2014 at 4:44 PM, Joe Perches wrote: > > On Wed, 2014-04-02 at 18:07 +0100, Catalin Marinas wrote: > >> On Wed, Apr 02, 2014 at 01:38:44PM +0100, Catalin Marinas wrote: > >> > On Wed, Apr 02, 2014 at 05:00:38AM +0100, Joe Sylve wrote: > >> > > Section D7.2.83 TCR_EL1, Translation Control Register (EL1) of the > >> > > latest ARM Architecture Reference Manual, ARMv8, for ARMv8-A states > >> > > that TCR_EL1 TG1 (bits [31:30]) should be set to 11 for a 64KB > >> > > TTBR1_EL1 granule size. The mainline 3.14 kernel incorrectly sets > >> > > those bits to 01 (which is a 16KB granule size). > > > > trivia: > > > > I think the subject title should be arm64 There was a fair amount of blowback about naming the arch aarch64 in linux. So for linux, the directory and arch name is arm64. from: https://lkml.org/lkml/2012/7/15/133 From Linus Torvalds <> Date Sun, 15 Jul 2012 16:53:21 -0700 - aarch64 is just another druggie name that the ARM people came up with after drinking too much of the spiked water in cambridge.