From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Mon, 26 May 2008 22:31:16 +0000 (+0100)
Subject: xen: count resched interrupts properly
X-Git-Tag: firefly_0821_release~19697^2~253^24~29
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=38bb5ab4179572f4d24d3ca7188172a31ca51a69;p=firefly-linux-kernel-4.4.55.git

xen: count resched interrupts properly

Make sure resched interrupts appear in /proc/interrupts in the proper
place.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 94e69000f982..74ab8968c525 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -65,6 +65,12 @@ static struct call_data_struct *call_data;
  */
 static irqreturn_t xen_reschedule_interrupt(int irq, void *dev_id)
 {
+#ifdef CONFIG_X86_32
+	__get_cpu_var(irq_stat).irq_resched_count++;
+#else
+	add_pda(irq_resched_count, 1);
+#endif
+
 	return IRQ_HANDLED;
 }