From: Haiyang Zhang <haiya...@microsoft.com>
Signed-off-by: Haiyang Zhang <haiya...@microsoft.com>
Signed-off-by: K. Y. Srinivasan <k...@microsoft.com>
---
drivers/hv/vmbus_drv.c | 6 ++++++
include/linux/hyperv.h | 2 ++
2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 0276d2e..1730ac0 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -692,6 +692,12 @@ struct onmessage_work_context {
struct hv_message msg;
};
+bool device_is_hyperv(struct device *dev)
+{
+ return dev->release == vmbus_device_release;
+}
+EXPORT_SYMBOL_GPL(device_is_hyperv);
+
static void vmbus_onmessage_work(struct work_struct *work)
{
struct onmessage_work_context *ctx;
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 2a52d9a..fdd541c 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -946,6 +946,8 @@ static inline void clear_low_latency_mode(struct
vmbus_channel *c)
c->low_latency = false;
}
+bool device_is_hyperv(struct device *dev);
+
void vmbus_onmessage(void *context);
int vmbus_request_offers(void);
--
1.7.4.1
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