linux-kernel - [RFC 0/7] vhost: Add support of kthread API

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Message-ID: <20240819092851.441670-1-lulu@redhat.com>
Date: Mon, 19 Aug 2024 17:27:26 +0800
From: Cindy Lu <lulu@...hat.com>
To: lulu@...hat.com,
	jasowang@...hat.com,
	mst@...hat.com,
	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org
Subject: [RFC 0/7] vhost: Add support of kthread API

In commit 6e890c5d5021 ("vhost: use vhost_tasks for worker threads"),
vhost removed the support for the kthread API. However, there are
still situations where there is a request to use kthread.
In this RFC, the support of kthread is added back. Additionally,
a module_param is added to identify which mode we are using, and
a new UAPI is introduced to allow the userspace app to set the
mode they want to use.

Cindy Lu (7):
  vhost: Add a new module_param for enable kthread
  vhost: Add kthread support in function vhost_worker_queue()
  vhost: Add kthread support in function vhost_workers_free()
  vhost: Add the vhost_worker to support kthread
  vhost: Add the cgroup related function
  vhost: Add kthread support in function vhost_worker_create
  vhost: Add new UAPI to support changing Kthread mode

 drivers/vhost/vhost.c      | 241 +++++++++++++++++++++++++++++++++++--
 drivers/vhost/vhost.h      |   1 +
 include/uapi/linux/vhost.h |   2 +
 3 files changed, 235 insertions(+), 9 deletions(-)

-- 
2.45.0