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| author |   Dexuan Cui <decui@microsoft.com> | 2019-09-25 21:34:13 +0000 |
|---|---|---|
| committer |   Sasha Levin <sashal@kernel.org> | 2019-11-21 20:10:44 -0500 |
| commit | 2194c2eb6717f2ea7dc793ad9cbf44d359a3f696 (patch) | |
| tree | f9d9ad36b93663fcc01f32b4aeaaee7e3aac2894 /net | |
| parent | video: hyperv_fb: Add the support of hibernation (diff) | |
| download | linux-dev-2194c2eb6717f2ea7dc793ad9cbf44d359a3f696.tar.xz linux-dev-2194c2eb6717f2ea7dc793ad9cbf44d359a3f696.zip | |
hv_sock: Add the support of hibernation
Add the necessary dummy callbacks for hibernation.
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/vmw_vsock/hyperv_transport.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c index c443db7af8d4..cd4a364b3950 100644 --- a/net/vmw_vsock/hyperv_transport.c +++ b/net/vmw_vsock/hyperv_transport.c @@ -938,6 +938,24 @@ static int hvs_remove(struct hv_device *hdev) return 0; } +/* hv_sock connections can not persist across hibernation, and all the hv_sock + * channels are forced to be rescinded before hibernation: see + * vmbus_bus_suspend(). Here the dummy hvs_suspend() and hvs_resume() + * are only needed because hibernation requires that every vmbus device's + * driver should have a .suspend and .resume callback: see vmbus_suspend(). + */ +static int hvs_suspend(struct hv_device *hv_dev) +{ + /* Dummy */ + return 0; +} + +static int hvs_resume(struct hv_device *dev) +{ + /* Dummy */ + return 0; +} + /* This isn't really used. See vmbus_match() and vmbus_probe() */ static const struct hv_vmbus_device_id id_table[] = { {}, @@ -949,6 +967,8 @@ static struct hv_driver hvs_drv = { .id_table = id_table, .probe = hvs_probe, .remove = hvs_remove, + .suspend = hvs_suspend, + .resume = hvs_resume, }; static int __init hvs_init(void) |