Commit 2194c2eb authored by Dexuan Cui's avatar Dexuan Cui Committed by Sasha Levin
Browse files

hv_sock: Add the support of hibernation 



Add the necessary dummy callbacks for hibernation.

Signed-off-by: default avatarDexuan Cui <decui@microsoft.com>
Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 1ecf3020

net/vmw_vsock/hyperv_transport.c

+20 −0
Original line number Diff line number Diff line
@@ -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 * channels are forced to be rescinded before hibernation: see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)

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