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
diff --git a/arch/x86/hyperv/hv_apic.c b/arch/x86/hyperv/hv_apic.c
index ee96278..657a2b8 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 @@
struct ipi_arg_non_ex ipi_arg;
int ret = 1;
+ trace_hyperv_send_ipi_mask(mask, vector);
+
if (cpumask_empty(mask))
return true;