From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1753123AbdKUHGA (ORCPT <rfc822;w@1wt.eu>);
        Tue, 21 Nov 2017 02:06:00 -0500
Received: from mail-wr0-f196.google.com ([209.85.128.196]:43830 "EHLO
        mail-wr0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1752834AbdKUHF6 (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Tue, 21 Nov 2017 02:05:58 -0500
X-Google-Smtp-Source: AGs4zMbsfytREQ2Tj9mk2ydDBhMWUsUIh036oW0cew78mY3L5TLb50pjPMypwnyZK0Id+UR2RgpKDA==
Date: Tue, 21 Nov 2017 08:05:53 +0100
From: Ingo Molnar <mingo@kernel.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        moritz.lipp@iaik.tugraz.at, daniel.gruss@iaik.tugraz.at,
        michael.schwarz@iaik.tugraz.at, richard.fellner@student.tugraz.at,
        luto@kernel.org, torvalds@linux-foundation.org, keescook@google.com,
        hughd@google.com, x86@kernel.org
Subject: Re: [PATCH 09/30] x86, kaiser: only populate shadow page tables for
 userspace
Message-ID: <20171121070553.ocar3maqbwofvj7t@gmail.com>
References: <20171110193058.BECA7D88@viggo.jf.intel.com>
 <20171110193113.E35BC3BF@viggo.jf.intel.com>
 <alpine.DEB.2.20.1711202057581.2348@nanos>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <alpine.DEB.2.20.1711202057581.2348@nanos>
User-Agent: NeoMutt/20170609 (1.8.3)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org


* Thomas Gleixner <tglx@linutronix.de> wrote:

> > + */
> > +static inline bool pgd_userspace_access(pgd_t pgd)
> > +{
> > +	return (pgd.pgd & _PAGE_USER);
> > +}

Also a nit: the parentheses are superfluous - these aren't macros.

Thanks,

	Ingo