From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f42.google.com (mail-wm0-f42.google.com [74.125.82.42]) by kanga.kvack.org (Postfix) with ESMTP id 634436B0253 for ; Wed, 27 Jan 2016 05:10:17 -0500 (EST) Received: by mail-wm0-f42.google.com with SMTP id r129so138521146wmr.0 for ; Wed, 27 Jan 2016 02:10:17 -0800 (PST) Received: from Galois.linutronix.de (linutronix.de. [2001:470:1f0b:db:abcd:42:0:1]) by mx.google.com with ESMTPS id hn6si7433918wjc.229.2016.01.27.02.10.16 for (version=TLS1_2 cipher=AES128-SHA bits=128/128); Wed, 27 Jan 2016 02:10:16 -0800 (PST) Date: Wed, 27 Jan 2016 11:09:04 +0100 (CET) From: Thomas Gleixner Subject: Re: several messages In-Reply-To: <20160125185706.GA28416@gmail.com> Message-ID: References: <20160125185706.GA28416@gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Andy Lutomirski , Ingo Molnar Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Borislav Petkov , Brian Gerst , Dave Hansen , Linus Torvalds , Oleg Nesterov , "linux-mm@kvack.org" , Andrey Ryabinin On Mon, 25 Jan 2016, Andy Lutomirski wrote: > This is a straightforward speedup on Ivy Bridge and newer, IIRC. > (I tested on Skylake. INVPCID is not available on Sandy Bridge. > I don't have Ivy Bridge, Haswell or Broadwell to test on, so I > could be wrong as to when the feature was introduced.) Haswell and Broadwell have it. No idea about ivy bridge. Thanks, tglx -- 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