linux-kernel - Re: [PATCHv4 02/28] timens: Add timens

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Message-ID: <alpine.DEB.2.21.1906141510100.1722@nanos.tec.linutronix.de>
Date:   Fri, 14 Jun 2019 15:11:22 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Dmitry Safonov <dima@...sta.com>
cc:     linux-kernel@...r.kernel.org, Andrei Vagin <avagin@...nvz.org>,
        Adrian Reber <adrian@...as.de>,
        Andy Lutomirski <luto@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Christian Brauner <christian.brauner@...ntu.com>,
        Cyrill Gorcunov <gorcunov@...nvz.org>,
        Dmitry Safonov <0x7f454c46@...il.com>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
        Jann Horn <jannh@...gle.com>, Jeff Dike <jdike@...toit.com>,
        Oleg Nesterov <oleg@...hat.com>,
        Pavel Emelyanov <xemul@...tuozzo.com>,
        Shuah Khan <shuah@...nel.org>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        containers@...ts.linux-foundation.org, criu@...nvz.org,
        linux-api@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCHv4 02/28] timens: Add timens_offsets

On Wed, 12 Jun 2019, Dmitry Safonov wrote:

> From: Andrei Vagin <avagin@...nvz.org>
> 
> Introduce offsets for time namespace. They will contain an adjustment
> needed to convert clocks to/from host's.
> 
> Allocate one page for each time namespace that will be premapped into
> userspace among vvar pages.
> index 000000000000..7d7cb68ea778
> --- /dev/null
> +++ b/include/linux/timens_offsets.h
> @@ -0,0 +1,8 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +#ifndef _LINUX_TIME_OFFSETS_H
> +#define _LINUX_TIME_OFFSETS_H
> +
> +struct timens_offsets {
> +};

That empty struct which is nowhere used looks odd. Can you move that to the
patch which actually makes use of it?

Thanks,

	tglx