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authorVitaly Kuznetsov <vkuznets@redhat.com>2018-01-24 14:23:35 +0100
committerThomas Gleixner <tglx@linutronix.de>2018-01-30 23:55:33 +0100
commit51d4e5daa32808df4d50db511d167fde19fa114e (patch)
tree329c7d91556964b820d2a031a7ef36275b67ef96 /arch/x86/hyperv
parente7c4e36c447daca2b7df49024f6bf230871cb155 (diff)
x86/irq: Count Hyper-V reenlightenment interrupts
Hyper-V reenlightenment interrupts arrive when the VM is migrated, While they are not interesting in general it's important when L2 nested guests are running. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: kvm@vger.kernel.org Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: "Michael Kelley (EOSG)" <Michael.H.Kelley@microsoft.com> Cc: Roman Kagan <rkagan@virtuozzo.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: devel@linuxdriverproject.org Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Cathy Avery <cavery@redhat.com> Cc: Mohammed Gamal <mmorsy@redhat.com> Link: https://lkml.kernel.org/r/20180124132337.30138-6-vkuznets@redhat.com
Diffstat (limited to 'arch/x86/hyperv')
-rw-r--r--arch/x86/hyperv/hv_init.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c
index e4377e2f2a10..a3adece392f1 100644
--- a/arch/x86/hyperv/hv_init.c
+++ b/arch/x86/hyperv/hv_init.c
@@ -147,6 +147,8 @@ __visible void __irq_entry hyperv_reenlightenment_intr(struct pt_regs *regs)
{
entering_ack_irq();
+ inc_irq_stat(irq_hv_reenlightenment_count);
+
schedule_delayed_work(&hv_reenlightenment_work, HZ/10);
exiting_irq();