linux-kernel - [RFC 0/2] support vduse feature provisioning in vdpa netlink command

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Message-ID: <20251002103537.308717-1-eperezma@redhat.com>
Date: Thu,  2 Oct 2025 12:35:35 +0200
From: Eugenio Pérez <eperezma@...hat.com>
To: mst@...hat.com
Cc: Laurent Vivier <lvivier@...hat.com>,
	Stefano Garzarella <sgarzare@...hat.com>,
	Dragos Tatulea DE <dtatulea@...dia.com>,
	Cindy Lu <lulu@...hat.com>,
	Maxime Coquelin <mcoqueli@...hat.com>,
	Eugenio Pérez <eperezma@...hat.com>,
	Yongji Xie <xieyongji@...edance.com>,
	jasowang@...hat.com,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
	linux-kernel@...r.kernel.org,
	Jonah Palmer <jonah.palmer@...cle.com>,
	Si-Wei Liu <si-wei.liu@...cle.com>,
	virtualization@...ts.linux.dev,
	Beñat Gartzia Arruabarrena <bgartzia@...hat.com>
Subject: [RFC 0/2] support vduse feature provisioning in vdpa netlink command

This series implements features provisioning for vduse devices.  This allows
the device provisioner to clear the features exposed by the userland device, so
the driver never see them.  The intended use case is to provision more than one
different device with the same feature set, allowing live migration between
them.

The device addition validates the provisioned features to be a subset of the
parent features, as the rest of the backends.

Eugenio Pérez (2):
  vduse: support feature provisioning
  vduse: allow to specify device-specific features if it's multiclass

 drivers/vdpa/vdpa.c                |  9 ---------
 drivers/vdpa/vdpa_user/vduse_dev.c | 17 ++++++++++++++---
 2 files changed, 14 insertions(+), 12 deletions(-)

-- 
2.51.0