linux-kernel - Re: [PATCH 3/3] nsproxy: support CLONE

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Date:   Thu, 25 Jun 2020 02:06:18 -0700
From:   Andrei Vagin <avagin@...il.com>
To:     Christian Brauner <christian.brauner@...ntu.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        x86@...nel.org, Will Deacon <will@...nel.org>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Serge Hallyn <serge@...lyn.com>,
        Michael Kerrisk <mtk.manpages@...il.com>,
        Andy Lutomirski <luto@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Mark Rutland <mark.rutland@....com>,
        Dmitry Safonov <dima@...sta.com>
Subject: Re: [PATCH 3/3] nsproxy: support CLONE_NEWTIME with setns()

On Fri, Jun 19, 2020 at 05:35:59PM +0200, Christian Brauner wrote:
> So far setns() was missing time namespace support. This was partially due
> to it simply not being implemented but also because vdso_join_timens()
> could still fail which made switching to multiple namespaces atomically
> problematic. This is now fixed so support CLONE_NEWTIME with setns()
> 
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Michael Kerrisk <mtk.manpages@...il.com>
> Cc: Serge Hallyn <serge@...lyn.com>
> Cc: Dmitry Safonov <dima@...sta.com>
> Cc: Andrei Vagin <avagin@...il.com>
> Signed-off-by: Christian Brauner <christian.brauner@...ntu.com>

Hi Christian,

I have reviewed this series and it looks good to me.

We decided to not change the return type of vdso_join_timens to avoid
conflicts with the arm64 timens patchset. With this change, you can add
my Reviewed-by to all patched in this series.

Reviewed-by: Andrei Vagin <avagin@...il.com>

Thanks,
Andrei