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-rw-r--r--drivers/char/random.c1
-rw-r--r--drivers/hv/vmbus_drv.c3
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c
index d057438266bb..68f18d47717d 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -946,6 +946,7 @@ void add_interrupt_randomness(int irq, int irq_flags)
/* award one bit for the contents of the fast pool */
credit_entropy_bits(r, credit + 1);
}
+EXPORT_SYMBOL_GPL(add_interrupt_randomness);
#ifdef CONFIG_BLOCK
void add_disk_randomness(struct gendisk *disk)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 952f20fdc7e3..e82f7e1c217c 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -42,6 +42,7 @@
#include <linux/screen_info.h>
#include <linux/kdebug.h>
#include <linux/efi.h>
+#include <linux/random.h>
#include "hyperv_vmbus.h"
static struct acpi_device *hv_acpi_dev;
@@ -806,6 +807,8 @@ static void vmbus_isr(void)
else
tasklet_schedule(hv_context.msg_dpc[cpu]);
}
+
+ add_interrupt_randomness(HYPERVISOR_CALLBACK_VECTOR, 0);
}