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Date: Wed, 11 May 2022 11:21:19 +0200
From: Christian Brauner <brauner@kernel.org>
To: Florian Weimer <fweimer@redhat.com>
Cc: Adhemerval Zanella <adhemerval.zanella@linaro.org>,
 libc-alpha@sourceware.org, Alexey Izbyshev <izbyshev@ispras.ru>,
 Carlos O'Donell <carlos@redhat.com>
Subject: Re: [PATCH v4 0/3] Linux: Fix posix_spawn when user with time
 namespaces
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On Tue, May 10, 2022 at 09:18:46PM +0200, Florian Weimer wrote:
> * Adhemerval Zanella:
> 
> > The patchset adds some support to tests the fallback code to
> > use only use CLONE_VFORK.  It uses unshare directly because
> > it simpler than add container support.
> >
> > Adhemerval Zanella (3):
> >   linux: Add CLONE_NEWTIME from Linux 5.6 to bits/sched.h
> >   support: Add support_enter_time_namespace
> >   linux: Add fallback for clone failure on posix_spawn (BZ #29115)
> 
> Christan, how likely is it that we'd get another time namespace variant
> that would only become effective after execve (when the DSO is remapped
> anyway)?

Not unlikely if it helps you avoid a lot of complexity. I will need some
time to track down Andrei and others to discuss though.

Thanks,
Christian