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-rw-r--r--arch/arm64/include/asm/smp.h11
-rw-r--r--arch/arm64/mm/context.c3
2 files changed, 12 insertions, 2 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 */
diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c
index c90c3c5f46af..b7b397802088 100644
--- a/arch/arm64/mm/context.c
+++ b/arch/arm64/mm/context.c
@@ -75,8 +75,7 @@ void verify_cpu_asid_bits(void)
*/
pr_crit("CPU%d: smaller ASID size(%u) than boot CPU (%u)\n",
smp_processor_id(), asid, asid_bits);
- update_cpu_boot_status(CPU_PANIC_KERNEL);
- cpu_park_loop();
+ cpu_panic_kernel();
}
}