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Message-ID: <20231219180858.120898-6-dtatulea@nvidia.com>
Date: Tue, 19 Dec 2023 20:08:48 +0200
From: Dragos Tatulea <dtatulea@...dia.com>
To: "Michael S . Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>,
	Eugenio Perez Martin <eperezma@...hat.com>, Si-Wei Liu
	<si-wei.liu@...cle.com>, Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky
	<leon@...nel.org>, <virtualization@...ts.linux-foundation.org>, Gal Pressman
	<gal@...dia.com>
CC: Dragos Tatulea <dtatulea@...dia.com>, <kvm@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Parav Pandit <parav@...dia.com>, Xuan Zhuo
	<xuanzhuo@...ux.alibaba.com>
Subject: [PATCH vhost v4 05/15] vdpa: Accept VHOST_BACKEND_F_CHANGEABLE_VQ_STATE_IN_SUSPEND backend feature

If userland sets this feature, allow it.

Signed-off-by: Dragos Tatulea <dtatulea@...dia.com>
Suggested-by: Eugenio PĂ©rez <eperezma@...hat.com>
---
 drivers/vhost/vdpa.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 2250fcd90e5b..b4e8ddf86485 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -750,6 +750,7 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep,
 				 BIT_ULL(VHOST_BACKEND_F_SUSPEND) |
 				 BIT_ULL(VHOST_BACKEND_F_RESUME) |
 				 BIT_ULL(VHOST_BACKEND_F_CHANGEABLE_VQ_ADDR_IN_SUSPEND) |
+				 BIT_ULL(VHOST_BACKEND_F_CHANGEABLE_VQ_STATE_IN_SUSPEND) |
 				 BIT_ULL(VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK)))
 			return -EOPNOTSUPP;
 		if ((features & BIT_ULL(VHOST_BACKEND_F_SUSPEND)) &&
-- 
2.43.0


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