netdev - Re: [PATCH v5 0/6] vhost: Add support of kthread API

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Message-ID: <80dbac94-95b0-41d1-a089-b91a17b90b3c@oracle.com>
Date: Wed, 22 Jan 2025 15:30:25 -0600
From: Mike Christie <michael.christie@...cle.com>
To: Cindy Lu <lulu@...hat.com>, jasowang@...hat.com, mst@...hat.com,
        sgarzare@...hat.com, linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: Re: [PATCH v5 0/6] vhost: Add support of kthread API

On 12/30/24 6:43 AM, Cindy Lu wrote:
> In commit 6e890c5d5021 ("vhost: use vhost_tasks for worker threads"),   
> the vhost now uses vhost_task and operates as a child of the   
> owner thread. This aligns with containerization principles.   
> However, this change has caused confusion for some legacy   
> userspace applications. Therefore, we are reintroducing   
> support for the kthread API.  
> 
> In this series, a new UAPI is implemented to allow   
> userspace applications to configure their thread mode. 
> 
Tested the patches with a hacked up QEMU that can toggle the
inherit owner bit so I could test both modes.

Tested-by: Mike Christie <michael.christie@...cle.com>