From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934009AbcAMKsy (ORCPT ); Wed, 13 Jan 2016 05:48:54 -0500 Received: from mail-wm0-f67.google.com ([74.125.82.67]:33727 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932579AbcAMKsv (ORCPT ); Wed, 13 Jan 2016 05:48:51 -0500 Date: Wed, 13 Jan 2016 11:48:47 +0100 From: Ingo Molnar To: Christoph Hellwig Cc: Borislav Petkov , Andy Lutomirski , Dave Hansen , "H. Peter Anvin" , Thomas Gleixner , "linux-kernel@vger.kernel.org" , Brian Gerst , Oleg Nesterov Subject: Re: Rethinking sigcontext's xfeatures slightly for PKRU's benefit? Message-ID: <20160113104847.GA11575@gmail.com> References: <20151218085914.GA16529@infradead.org> <20151218125753.GF16977@pd.tnic> <20160112133820.GA6840@gmail.com> <20160112134248.GA2319@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160112134248.GA2319@infradead.org> 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 * Christoph Hellwig wrote: > On Tue, Jan 12, 2016 at 02:38:20PM +0100, Ingo Molnar wrote: > > > On Fri, Dec 18, 2015 at 12:59:14AM -0800, Christoph Hellwig wrote: > > > > Stupid question, but what the heck is PKRU? A grep of the kernel tree > > > > shows no results, and a web search returns mostly Thai language results. > > > > > > That should explain it: > > > > > > https://lkml.kernel.org/r/20151214190542.39C4886D@viggo.jf.intel.com > > > > There's also an LWN article from last year, as background: > > > > https://lwn.net/Articles/643797/ > > I had actually seen both the thread and the article before, but the > "PKRU" subject didn't really lead to either.. Yeah, stupid vendor acronyms. Thanks, Ingo