Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932662AbbHXMFn (ORCPT ); Mon, 24 Aug 2015 08:05:43 -0400 Received: from zeroeth.unpythonic.net ([162.243.242.154]:34941 "EHLO zeroeth.unpythonic.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754120AbbHXMFm (ORCPT ); Mon, 24 Aug 2015 08:05:42 -0400 Date: Mon, 24 Aug 2015 07:05:28 -0500 From: Jeff Epler To: yalin wang Cc: Borislav Petkov , "H. Peter Anvin" , Thomas Gleixner , mingo@redhat.com, x86@kernel.org, open list , Will Deacon Subject: Re: [x86] copy_from{to}_user question Message-ID: <20150824120528.GJ14390@unpythonic.net> References: <20150812100738.GA14020@nazgul.tnic> <9232AF8E-87A3-40B2-852A-D07889F9E1B4@gmail.com> <20150813164302.GA15881@nazgul.tnic> <6ABF6137-251E-47EF-B824-AC77C9C9AB24@gmail.com> <20150817041634.GA9387@nazgul.tnic> <55D61AF3.4090004@zytor.com> <20150821043552.GA29712@nazgul.tnic> <55D792C8.6090006@zytor.com> <20150822090519.GA2812@nazgul.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 476 Lines: 13 On Mon, Aug 24, 2015 at 03:52:11PM +0800, yalin wang wrote: > i am not clear about what is STAC / SMAP ? > could you give me a link for understanding ? the first item I found by googling was https://lwn.net/Articles/517251/ Jeff -- 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/