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 S1752383AbdK0LtJ (ORCPT <rfc822;w@1wt.eu>);
        Mon, 27 Nov 2017 06:49:09 -0500
Received: from Galois.linutronix.de ([146.0.238.70]:54676 "EHLO
        Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1752222AbdK0LtG (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Mon, 27 Nov 2017 06:49:06 -0500
Date: Mon, 27 Nov 2017 12:49:04 +0100 (CET)
From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
cc: Dave Hansen <dave.hansen@linux.intel.com>,
        Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@kernel.org>,
        Borislav Petkov <bp@alien8.de>, Brian Gerst <brgerst@gmail.com>,
        Denys Vlasenko <dvlasenk@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
        Josh Poimboeuf <jpoimboe@redhat.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Peter Zijlstra <peterz@infradead.org>, Rik van Riel <riel@redhat.com>,
        daniel.gruss@iaik.tugraz.at, hughd@google.com, keescook@google.com,
        linux-mm@kvack.org, michael.schwarz@iaik.tugraz.at,
        moritz.lipp@iaik.tugraz.at, richard.fellner@student.tugraz.at
Subject: Re: [patch V2 2/5] x86/kaiser: Simplify disabling of global pages
In-Reply-To: <20171126232414.393912629@linutronix.de>
Message-ID: <alpine.DEB.2.20.1711271248000.1799@nanos>
References: <20171126231403.657575796@linutronix.de> <20171126232414.393912629@linutronix.de>
User-Agent: Alpine 2.20 (DEB 67 2015-01-07)
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Mon, 27 Nov 2017, Thomas Gleixner wrote:
>  	/*
> @@ -179,11 +186,11 @@ static void __init probe_page_size_mask(
>  		cr4_set_bits_and_update_boot(X86_CR4_PSE);
>  
>  	/* Enable PGE if available */
> +	__supported_pte_mask |= _PAGE_GLOBAL;

Bah. Late night reject fixup wreckage. That wants to be

	__supported_pte_mask &= ~_PAGE_GLOBAL;

Thanks,

	tglx