Re: [PATCH 0/3] kthread: pass in user and check RLIMIT_NPROC

From: Stefan Hajnoczi
Date: Mon Jun 28 2021 - 09:01:51 EST


On Wed, Jun 23, 2021 at 10:08:01PM -0500, Mike Christie wrote:
> The vhost driver will create a kthread when userspace does a
> VHOST_SET_OWNER ioctl, but the thread is charged to the kthreadd thread.
> We can then end up violating the userspace process's RLIMIT_NPROC. This
> patchset allows drivers to pass in the user to charge/check.
>
> The patches were made over Linus's current tree.

Makes sense from a vhost perspective and for future users, but I'm not
familiar with the kthread internals:

Acked-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>

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