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From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: Carlos O'Donell <carlos@redhat.com>
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH v5 0/2] Linux: Fix posix_spawn when user with time namespaces
Date: Mon, 11 Jul 2022 13:56:39 -0300	[thread overview]
Message-ID: <5F91F11D-5357-41B8-9943-7013FEE1D899@linaro.org> (raw)
In-Reply-To: <55438381-3aee-01d4-bde0-7b61e2857057@redhat.com>



> On 11 Jul 2022, at 12:32, Carlos O'Donell <carlos@redhat.com> wrote:
> 
> On 5/30/22 13:49, Adhemerval Zanella via Libc-alpha wrote:
>> The patchset also 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.
>> 
>> v5: Use a MAP_SHARED page to communicate error on prepare phase from
>>    helper process.
> 
> The current progress is that it seems we may get the upstream Linux kernel
> to change the semantics of the time namespace to take effect only after
> exec for vfork. If that goes forward we won't need these changes?
> 
> I'm trying to determine if these changes constitute a blocker for 2.36.

My understanding is even kernel does change or add a new flag to handle
it, we still have released kernels that might hit this issue.


  reply	other threads:[~2022-07-11 16:56 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-30 17:49 Adhemerval Zanella
2022-05-30 17:49 ` [PATCH v5 1/2] support: Add support_enter_time_namespace Adhemerval Zanella
2022-05-30 17:49 ` [PATCH v5 2/2] linux: Add fallback for clone failure on posix_spawn (BZ #29115) Adhemerval Zanella
2022-07-11 15:32 ` [PATCH v5 0/2] Linux: Fix posix_spawn when user with time namespaces Carlos O'Donell
2022-07-11 16:56   ` Adhemerval Zanella [this message]
2022-07-19  2:33     ` Carlos O'Donell
2022-07-19 12:56       ` Adhemerval Zanella Netto
2022-07-29 15:49         ` Carlos O'Donell

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