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Diffstat (limited to 'arch/x86/kernel/apic/hw_nmi.c')
-rw-r--r--arch/x86/kernel/apic/hw_nmi.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/x86/kernel/apic/hw_nmi.c b/arch/x86/kernel/apic/hw_nmi.c
index 016f4263fad4..7788ce643bf4 100644
--- a/arch/x86/kernel/apic/hw_nmi.c
+++ b/arch/x86/kernel/apic/hw_nmi.c
@@ -18,16 +18,8 @@
#include <linux/nmi.h>
#include <linux/module.h>
#include <linux/delay.h>
-#include <linux/perf_event.h>
#ifdef CONFIG_HARDLOCKUP_DETECTOR
-int hw_nmi_get_event(void)
-{
- if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
- return PERF_COUNT_HW_REF_CPU_CYCLES;
- return PERF_COUNT_HW_CPU_CYCLES;
-}
-
u64 hw_nmi_get_sample_period(int watchdog_thresh)
{
return (u64)(cpu_khz) * 1000 * watchdog_thresh;