Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754237AbdFNFai (ORCPT ); Wed, 14 Jun 2017 01:30:38 -0400 Received: from mx2.suse.de ([195.135.220.15]:55342 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750757AbdFNFag (ORCPT ); Wed, 14 Jun 2017 01:30:36 -0400 Subject: Re: [PATCH v2 09/10] x86/mm: Enable CR4.PCIDE on supported systems To: Andy Lutomirski , x86@kernel.org Cc: linux-kernel@vger.kernel.org, Borislav Petkov , Linus Torvalds , Andrew Morton , Mel Gorman , "linux-mm@kvack.org" , Nadav Amit , Rik van Riel , Dave Hansen , Arjan van de Ven , Peter Zijlstra , Boris Ostrovsky References: <9cbc7f6c85a865f544adc6141951059e5aff7309.1497415951.git.luto@kernel.org> From: Juergen Gross Message-ID: <37ff0036-e33c-84d2-2c5d-8c85d1245064@suse.com> Date: Wed, 14 Jun 2017 07:30:32 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <9cbc7f6c85a865f544adc6141951059e5aff7309.1497415951.git.luto@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: de-DE Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 395 Lines: 16 On 14/06/17 06:56, Andy Lutomirski wrote: > We can use PCID if the CPU has PCID and PGE and we're not on Xen. > > By itself, this has no effect. The next patch will start using > PCID. > > Cc: Juergen Gross > Cc: Boris Ostrovsky > Signed-off-by: Andy Lutomirski Reviewed-by: Juergen Gross Thanks, Juergen