diff --git a/drivers/gpu/nvgpu/common/cic/mon/mon_intr.c b/drivers/gpu/nvgpu/common/cic/mon/mon_intr.c
index d920b2539..79f24381c 100644
--- a/drivers/gpu/nvgpu/common/cic/mon/mon_intr.c
+++ b/drivers/gpu/nvgpu/common/cic/mon/mon_intr.c
@@ -185,12 +185,14 @@ u32 nvgpu_cic_mon_intr_stall_isr(struct gk20a *g)
 
 void nvgpu_cic_mon_intr_stall_handle(struct gk20a *g)
 {
+	nvgpu_mutex_acquire(&g->mc.intr_thread_mutex);
 	g->ops.mc.isr_stall(g);
 
 	/* sync handled irq counter before re-enabling interrupts */
 	nvgpu_cic_rm_set_irq_stall(g, 0);
 
 	nvgpu_cic_mon_intr_stall_resume(g);
+	nvgpu_mutex_release(&g->mc.intr_thread_mutex);
 
 	(void)nvgpu_cic_rm_broadcast_last_irq_stall(g);
 }
diff --git a/drivers/gpu/nvgpu/include/nvgpu/mc.h b/drivers/gpu/nvgpu/include/nvgpu/mc.h
index e7a723555..cfa54975d 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/mc.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/mc.h
@@ -188,6 +188,8 @@ struct nvgpu_intr_unit_info {
 struct nvgpu_mc {
 	/** Lock to access the MC interrupt registers. */
 	struct nvgpu_spinlock intr_lock;
+	/** Lock to synchronise between stall interrupt threads. */
+	struct nvgpu_mutex intr_thread_mutex;
 
 	/** Lock to access the MC unit registers. */
 	struct nvgpu_spinlock enable_lock;
diff --git a/drivers/gpu/nvgpu/os/linux/driver_common.c b/drivers/gpu/nvgpu/os/linux/driver_common.c
index bb862c0a2..c6de85e45 100644
--- a/drivers/gpu/nvgpu/os/linux/driver_common.c
+++ b/drivers/gpu/nvgpu/os/linux/driver_common.c
@@ -86,7 +86,7 @@ static void nvgpu_init_vars(struct gk20a *g)
 	nvgpu_spinlock_init(&g->power_spinlock);
 
 	nvgpu_spinlock_init(&g->mc.intr_lock);
-
+	nvgpu_mutex_init(&g->mc.intr_thread_mutex);
 	nvgpu_mutex_init(&platform->railgate_lock);
 	nvgpu_mutex_init(&g->dbg_sessions_lock);
 	nvgpu_mutex_init(&g->power_lock);