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-rw-r--r--arch/arm64/include/asm/smp.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h
index 817a067ba058..433e50405274 100644
--- a/arch/arm64/include/asm/smp.h
+++ b/arch/arm64/include/asm/smp.h
@@ -113,6 +113,17 @@ static inline void update_cpu_boot_status(int val)
dsb(ishst);
}
+/*
+ * The calling secondary CPU has detected serious configuration mismatch,
+ * which calls for a kernel panic. Update the boot status and park the calling
+ * CPU.
+ */
+static inline void cpu_panic_kernel(void)
+{
+ update_cpu_boot_status(CPU_PANIC_KERNEL);
+ cpu_park_loop();
+}
+
#endif /* ifndef __ASSEMBLY__ */
#endif /* ifndef __ASM_SMP_H */