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Date:      Tue, 2 Dec 2025 15:20:20 +0100
From:      Samir <samir.otmane@numericable.fr>
To:        Poul-Henning Kamp <phk@phk.freebsd.dk>, Moin Rahman <bofh@freebsd.org>
Cc:        "freebsd-hackers@freebsd.org" <freebsd-hackers@FreeBSD.org>
Subject:   Re: FreeBSD but without jail
Message-ID:  <62dff777-c0fa-44b1-82d9-6a0ea428b5e9@numericable.fr>
In-Reply-To: <202512021359.5B2Dx4VL075037@critter.freebsd.dk>
References:  <f410fd52-cb62-4304-a74d-db31179a2459@numericable.fr> <8C497C07-E01C-47E3-93A5-4CD44141E6C2@freebsd.org> <202512021359.5B2Dx4VL075037@critter.freebsd.dk>

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On 12/2/25 14:59, Poul-Henning Kamp wrote:
> --------
> Moin Rahman writes:
>
>
>> You can build your system with the following in your `src.conf`
>> WITHOUT_JAIL=yes
> That only prevents the userland programs notably jail(8) from being
> built.  The kernel support for jails is tightly integrated, not
> controlled by an option.
>
> I dont think anybody has ever suggested, there even might be
> a measurable performance impact, so I'm a bit puzzled as to
> the goal might be here ?
>
Well, I have to agree with you that the code overhead is *highly* 
negligible, that was just a suggestion. no problem if would be too 
complicated to do so, please excuse me.

Samir




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