From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752134AbbLHSqq (ORCPT ); Tue, 8 Dec 2015 13:46:46 -0500 Received: from www.linutronix.de ([62.245.132.108]:51812 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751531AbbLHSqp (ORCPT ); Tue, 8 Dec 2015 13:46:45 -0500 Date: Tue, 8 Dec 2015 19:45:57 +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 29/34] x86: separate out LDT init from context init In-Reply-To: <20151204011504.49720E0D@viggo.jf.intel.com> Message-ID: References: <20151204011424.8A36E365@viggo.jf.intel.com> <20151204011504.49720E0D@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 Thu, 3 Dec 2015, Dave Hansen wrote: > The arch-specific mm_context_t is a great place to put > protection-key allocation state. > > But, we need to initialize the allocation state because pkey 0 is > always "allocated". All of the runtime initialization of > mm_context_t is done in *_ldt() manipulation functions. This > renames the existing LDT functions like this: > > init_new_context() -> init_new_context_ldt() > destroy_context() -> destroy_context_ldt() > > and makes init_new_context() and destroy_context() available for > generic use. Reviewed-by: Thomas Gleixner From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f41.google.com (mail-wm0-f41.google.com [74.125.82.41]) by kanga.kvack.org (Postfix) with ESMTP id 029056B0254 for ; Tue, 8 Dec 2015 13:46:47 -0500 (EST) Received: by wmvv187 with SMTP id v187so226969521wmv.1 for ; Tue, 08 Dec 2015 10:46:46 -0800 (PST) Received: from Galois.linutronix.de (linutronix.de. [2001:470:1f0b:db:abcd:42:0:1]) by mx.google.com with ESMTPS id b127si32156857wmh.67.2015.12.08.10.46.46 for (version=TLS1_2 cipher=AES128-SHA bits=128/128); Tue, 08 Dec 2015 10:46:46 -0800 (PST) Date: Tue, 8 Dec 2015 19:45:57 +0100 (CET) From: Thomas Gleixner Subject: Re: [PATCH 29/34] x86: separate out LDT init from context init In-Reply-To: <20151204011504.49720E0D@viggo.jf.intel.com> Message-ID: References: <20151204011424.8A36E365@viggo.jf.intel.com> <20151204011504.49720E0D@viggo.jf.intel.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Dave Hansen Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, dave.hansen@linux.intel.com On Thu, 3 Dec 2015, Dave Hansen wrote: > The arch-specific mm_context_t is a great place to put > protection-key allocation state. > > But, we need to initialize the allocation state because pkey 0 is > always "allocated". All of the runtime initialization of > mm_context_t is done in *_ldt() manipulation functions. This > renames the existing LDT functions like this: > > init_new_context() -> init_new_context_ldt() > destroy_context() -> destroy_context_ldt() > > and makes init_new_context() and destroy_context() available for > generic use. Reviewed-by: Thomas Gleixner -- 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