Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752046AbbLHSk1 (ORCPT ); Tue, 8 Dec 2015 13:40:27 -0500 Received: from www.linutronix.de ([62.245.132.108]:51770 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751701AbbLHSk0 (ORCPT ); Tue, 8 Dec 2015 13:40:26 -0500 Date: Tue, 8 Dec 2015 19:39:37 +0100 (CET) From: Thomas Gleixner To: Dave Hansen cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, dave.hansen@linux.intel.com Subject: Re: [PATCH 25/34] x86, pkeys: add arch_validate_pkey() In-Reply-To: <20151204011459.CEC0E764@viggo.jf.intel.com> Message-ID: References: <20151204011424.8A36E365@viggo.jf.intel.com> <20151204011459.CEC0E764@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 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 473 Lines: 14 On Thu, 3 Dec 2015, Dave Hansen wrote: > +#define arch_max_pkey() (boot_cpu_has(X86_FEATURE_OSPKE) ? \ > + CONFIG_NR_PROTECTION_KEYS : 1) Should this really be a config option? Can't that value change ? Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/