--- drivers/staging/hv/Connection.c

+++ drivers/staging/hv/Connection.c

@@ -284,7 +284,9 @@ void VmbusOnEvents(void)

for (dword = 0; dword < maxdword; dword++) {

if (recvInterruptPage[dword]) {

for (bit = 0; bit < 32; bit++) {

- if (test_and_clear_bit(bit, (unsigned long *)&recvInterruptPage[dword])) {

+ if (sync_test_and_clear_bit(bit,

+ (unsigned long *)

+ &recvInterruptPage[dword])) {

relid = (dword << 5) + bit;

DPRINT_DBG(VMBUS, "event detected for relid - %d", relid);

@@ -329,7 +331,7 @@ int VmbusSetEvent(u32 childRelId)

DPRINT_ENTER(VMBUS);

/* Each u32 represents 32 channels */

- set_bit(childRelId & 31,

+ sync_set_bit(childRelId & 31,

(unsigned long *)gVmbusConnection.SendInterruptPage +

(childRelId >> 5));