Re: UVM and the NULL page

To: tech-kern%netbsd.org@localhost
Subject: Re: UVM and the NULL page
From: Pierre Pronchery <khorben%defora.org@localhost>
Date: Thu, 28 Jul 2016 20:48:51 +0200

On 07/28/16 18:57, Maxime Villard wrote:

Currently, there is no real way to make sure a userland process won't be
able to allocate the NULL page. There is this attempt [1], but it has two
major issues. [...]

IIRC some software relies on this feature, like emulators/wine. Ifreally so then something like a sysctl to allow it again would be helpful.


HTH,
--
khorben

Follow-Ups:
- Re: UVM and the NULL page
  - From: Maxime Villard
- Re: UVM and the NULL page
  - From: Martin Husemann

References:
- UVM and the NULL page
  - From: Maxime Villard

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