From 70794059bfae7a538ee6b1ffe6f1604950ef83f2 Mon Sep 17 00:00:00 2001
From: Remy Noel <mocramis@gmail.com>
Date: Thu, 3 May 2018 12:53:46 +0200
Subject: lapic: resets perfmon interrupt after each call.

---
 arch/x86/machine/lapic.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'arch/x86')

diff --git a/arch/x86/machine/lapic.c b/arch/x86/machine/lapic.c
index 6ba3ddd..d74e676 100644
--- a/arch/x86/machine/lapic.c
+++ b/arch/x86/machine/lapic.c
@@ -342,6 +342,9 @@ lapic_pmc_of_intr(struct trap_frame *frame)
 
 #ifdef CONFIG_PERFMON
     perfmon_of_intr();
+
+    /* Resets the interupt as it is auto cleared when it fires */
+    lapic_write(&lapic_map->lvt_pmc, TRAP_LAPIC_PMC_OF);
 #endif
 
     lapic_eoi();
-- 
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