Merge pull request #295 in SW_PON/linux from...

Merge pull request #295 in SW_PON/linux from bugfix/UGW_SW-24404-fixed-gptc-interrupt-clear-issue-when-heavy-interrupts-toward-to-cpu to 8.1_ER2

* commit 'ee658430952efc2664630dc0f613be70737b48a5':
  UGW_SW-24404: gptc-interrupt-clear-issue-when-heavy-interrupts-toward-to-cpu

drivers/clocksource/intel-gptc-timer.c

@@ -312,9 +312,11 @@ static irqreturn_t gptc_timer_interrupt(int irq, void *data)
 	struct gptc_clockevent *gptce = data;
 	struct gptc_timer *timer = gptce->timer;
 
+	gptc_irq_mask(timer);
 	gptc_irq_ack(timer);
 
 	gptce->ce.event_handler(&gptce->ce);
+	gptc_irq_unmask(timer);
 	return IRQ_HANDLED;
 }