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Diffstat (limited to 'arch/x86/kernel/cpu')
-rw-r--r--arch/x86/kernel/cpu/perf_event.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index d616c06e99b..b1bb8c55052 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -2297,7 +2297,6 @@ void callchain_store(struct perf_callchain_entry *entry, u64 ip)
static DEFINE_PER_CPU(struct perf_callchain_entry, pmc_irq_entry);
static DEFINE_PER_CPU(struct perf_callchain_entry, pmc_nmi_entry);
-static DEFINE_PER_CPU(int, in_ignored_frame);
static void
@@ -2313,10 +2312,6 @@ static void backtrace_warning(void *data, char *msg)
static int backtrace_stack(void *data, char *name)
{
- per_cpu(in_ignored_frame, smp_processor_id()) =
- x86_is_stack_id(NMI_STACK, name) ||
- x86_is_stack_id(DEBUG_STACK, name);
-
return 0;
}
@@ -2324,9 +2319,6 @@ static void backtrace_address(void *data, unsigned long addr, int reliable)
{
struct perf_callchain_entry *entry = data;
- if (per_cpu(in_ignored_frame, smp_processor_id()))
- return;
-
if (reliable)
callchain_store(entry, addr);
}