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-rw-r--r--lib/nmi_backtrace.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/nmi_backtrace.c b/lib/nmi_backtrace.c
index a3bfa9360b23..f39c9eca8888 100644
--- a/lib/nmi_backtrace.c
+++ b/lib/nmi_backtrace.c
@@ -19,6 +19,7 @@
#include <linux/stringify.h>
#include <linux/nmi.h>
#include <linux/cpu.h>
+#include <linux/export.h>
#include <linux/sched/debug.h>
#ifdef arch_trigger_cpumask_backtrace
@@ -129,4 +130,10 @@ bool nmi_cpu_backtrace(struct pt_regs *regs)
return false;
}
NOKPROBE_SYMBOL(nmi_cpu_backtrace);
+
+void cpumask_backtrace(const cpumask_t *mask, int exclude_cpu)
+{
+ arch_trigger_cpumask_backtrace(mask, exclude_cpu);
+}
+EXPORT_SYMBOL_GPL(cpumask_backtrace);
#endif