mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-08-31 14:04:27 -04:00
Code Issues Packages Projects Releases Wiki Activity

hv_netvsc: Remove GPADL teardown special case for old Hyper-V hosts

Browse Source 
With the overall removal of Linux support for running on Hyper-V
hosts earlier than WS2016 and Windows 10, the special case handling of
GPADL teardown is no longer necessary. Remove it.

Signed-off-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Michael Kelley
2026-08-05 13:37:48 -07:00
committed by Wei Liu
parent 73da9973b3
commit 6b8345035d
1 changed files with 3 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/net/hyperv/netvsc.c
View File

@@ -728,17 +728,8 @@ void netvsc_device_remove(struct hv_device *device)
= rtnl_dereference(net_device_ctx->nvdev);
int i;
/*
* Revoke receive buffer. If host is pre-Win2016 then tear down
* receive buffer GPADL. Do the same for send buffer.
*/
netvsc_revoke_recv_buf(device, net_device, ndev);
if (vmbus_proto_version < VERSION_WIN10)
netvsc_teardown_recv_gpadl(device, net_device, ndev);
netvsc_revoke_send_buf(device, net_device, ndev);
if (vmbus_proto_version < VERSION_WIN10)
netvsc_teardown_send_gpadl(device, net_device, ndev);
RCU_INIT_POINTER(net_device_ctx->nvdev, NULL);
@@ -766,14 +757,9 @@ void netvsc_device_remove(struct hv_device *device)
/* Now, we can close the channel safely */
vmbus_close(device->channel);
/*
* If host is Win2016 or higher then we do the GPADL tear down
* here after VMBus is closed.
*/
if (vmbus_proto_version >= VERSION_WIN10) {
netvsc_teardown_recv_gpadl(device, net_device, ndev);
netvsc_teardown_send_gpadl(device, net_device, ndev);
}
/* Must do the GPADL teardown after channel is closed */
netvsc_teardown_recv_gpadl(device, net_device, ndev);
netvsc_teardown_send_gpadl(device, net_device, ndev);
/* Release all resources */
free_netvsc_device_rcu(net_device);