From 58ec5e9c9044bd7e1c0bcc6ad822b2e909f49732 Mon Sep 17 00:00:00 2001
From: Vitaly Kuznetsov <vkuznets@redhat.com>
Date: Fri, 22 Jun 2018 19:06:25 +0200
Subject: x86/hyper-v: Trace PV IPI send

Trace Hyper-V PV IPIs the same way we do PV TLB flush.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: devel@linuxdriverproject.org
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Tianyu Lan <Tianyu.Lan@microsoft.com>
Cc: "Michael Kelley (EOSG)" <Michael.H.Kelley@microsoft.com>
Link: https://lkml.kernel.org/r/20180622170625.30688-5-vkuznets@redhat.com
---
 arch/x86/hyperv/hv_apic.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'arch/x86/hyperv')

diff --git a/arch/x86/hyperv/hv_apic.c b/arch/x86/hyperv/hv_apic.c
index ee962784d25b..657a2b8c738a 100644
--- a/arch/x86/hyperv/hv_apic.c
+++ b/arch/x86/hyperv/hv_apic.c
@@ -31,6 +31,8 @@
 #include <asm/mshyperv.h>
 #include <asm/apic.h>
 
+#include <asm/trace/hyperv.h>
+
 static struct apic orig_apic;
 
 static u64 hv_apic_icr_read(void)
@@ -134,6 +136,8 @@ static bool __send_ipi_mask(const struct cpumask *mask, int vector)
 	struct ipi_arg_non_ex ipi_arg;
 	int ret = 1;
 
+	trace_hyperv_send_ipi_mask(mask, vector);
+
 	if (cpumask_empty(mask))
 		return true;
 
-- 
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