From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f45.google.com (mail-pa0-f45.google.com [209.85.220.45]) by kanga.kvack.org (Postfix) with ESMTP id 92E506B0254 for ; Tue, 22 Sep 2015 15:58:54 -0400 (EDT) Received: by pacex6 with SMTP id ex6so18072772pac.0 for ; Tue, 22 Sep 2015 12:58:54 -0700 (PDT) Received: from blackbird.sr71.net (www.sr71.net. [198.145.64.142]) by mx.google.com with ESMTP id r3si4928025pap.0.2015.09.22.12.58.53 for ; Tue, 22 Sep 2015 12:58:53 -0700 (PDT) Subject: Re: [PATCH 05/26] x86, pkey: add PKRU xsave fields and data structure(s) References: <20150916174903.E112E464@viggo.jf.intel.com> <20150916174905.0ECA529B@viggo.jf.intel.com> From: Dave Hansen Message-ID: <5601B2F9.3030906@sr71.net> Date: Tue, 22 Sep 2015 12:58:49 -0700 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Thomas Gleixner Cc: x86@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org On 09/22/2015 12:53 PM, Thomas Gleixner wrote: > On Wed, 16 Sep 2015, Dave Hansen wrote: >> --- a/arch/x86/kernel/fpu/xstate.c~pkeys-03-xsave 2015-09-16 10:48:13.340060126 -0700 >> +++ b/arch/x86/kernel/fpu/xstate.c 2015-09-16 10:48:13.344060307 -0700 >> @@ -23,6 +23,8 @@ static const char *xfeature_names[] = >> "AVX-512 opmask" , >> "AVX-512 Hi256" , >> "AVX-512 ZMM_Hi256" , >> + "unknown xstate feature (8)" , > > It's not unknown. It's PT, right? Yes, it's the Processor Trace state. I'll give it a real name and also a comment about it being unused. -- 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