From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755388AbbESIVZ (ORCPT ); Tue, 19 May 2015 04:21:25 -0400 Received: from www.linutronix.de ([62.245.132.108]:53205 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755341AbbESIVC (ORCPT ); Tue, 19 May 2015 04:21:02 -0400 Date: Tue, 19 May 2015 10:21:11 +0200 (CEST) From: Thomas Gleixner To: Dave Hansen cc: linux-kernel@vger.kernel.org, x86@kernel.org, dave.hansen@linux.intel.com Subject: Re: [PATCH 16/19] x86, mpx: support 32-bit binaries on 64-bit kernel In-Reply-To: <20150519062534.C0B2F0B3@viggo.jf.intel.com> Message-ID: References: <20150519062528.E2D5DDFF@viggo.jf.intel.com> <20150519062534.C0B2F0B3@viggo.jf.intel.com> User-Agent: Alpine 2.11 (DEB 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001,URIBL_BLOCKED=0.001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 18 May 2015, Dave Hansen wrote: > + /* > + * We know the size of the table in to which we are > + * indexing, and we have eliminated all the low bits > + * which are ignored for indexing. > + * > + * Mask out all the high bits which we do not need > + * to index in to the table. Note that the tables > + * are always powers of two so this gives is a proper Nit: s/is/us/ Reviewed-by: Thomas Gleixner