From: "Eugenio Pérez" <eperezma@redhat.com>
To: mst@redhat.com, Jason Wang <jasowang@redhat.com>
Cc: Zhu Lingshan <lingshan.zhu@intel.com>,
virtualization@lists.linux-foundation.org,
"Gonglei (Arei)" <arei.gonglei@huawei.com>,
longpeng2@huawei.com, Lei Yang <leiyang@redhat.com>,
Parav Pandit <parav@mellanox.com>,
Gautam Dawar <gdawar@xilinx.com>,
Dragos Tatulea <dtatulea@nvidia.com>,
Laurent Vivier <lvivier@redhat.com>,
linux-api@vger.kernel.org,
Liuxiangdong <liuxiangdong5@huawei.com>,
linux-kernel@vger.kernel.org, alvaro.karsz@solid-run.com,
Shannon Nelson <snelson@pensando.io>,
Stefano Garzarella <sgarzare@redhat.com>,
Cindy Lu <lulu@redhat.com>,
si-wei.liu@oracle.com, Harpreet Singh Anand <hanand@xilinx.com>
Subject: [PATCH v2 2/4] vdpa: accept VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK backend feature
Date: Fri, 9 Jun 2023 11:21:25 +0200 [thread overview]
Message-ID: <20230609092127.170673-3-eperezma@redhat.com> (raw)
In-Reply-To: <20230609092127.170673-1-eperezma@redhat.com>
Accepting VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK backend feature if
userland sets it.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Shannon Nelson <shannon.nelson@amd.com>
---
drivers/vhost/vdpa.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index bf77924d5b60..a3204406b73d 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -680,7 +680,8 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep,
return -EFAULT;
if (features & ~(VHOST_VDPA_BACKEND_FEATURES |
BIT_ULL(VHOST_BACKEND_F_SUSPEND) |
- BIT_ULL(VHOST_BACKEND_F_RESUME)))
+ BIT_ULL(VHOST_BACKEND_F_RESUME) |
+ BIT_ULL(VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK)))
return -EOPNOTSUPP;
if ((features & BIT_ULL(VHOST_BACKEND_F_SUSPEND)) &&
!vhost_vdpa_can_suspend(v))
--
2.31.1
next prev parent reply other threads:[~2023-06-09 9:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-09 9:21 [PATCH v2 0/4] Add VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK flag to vdpa backend Eugenio Pérez
2023-06-09 9:21 ` [PATCH v2 1/4] vdpa: add VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK flag Eugenio Pérez
2023-06-09 9:21 ` Eugenio Pérez [this message]
2023-06-09 16:13 ` [PATCH v2 2/4] vdpa: accept VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK backend feature Michael S. Tsirkin
2023-07-03 8:21 ` Eugenio Perez Martin
2023-06-09 9:21 ` [PATCH v2 3/4] vdpa: add get_backend_features vdpa operation Eugenio Pérez
2023-06-09 9:21 ` [PATCH v2 4/4] vdpa_sim: offer VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK Eugenio Pérez
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