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If the default state of the interrupt controllers in the first kernel don't mask any interrupts, it may cause the second kernel to potentially receive interrupts (which were previously allocated by the first kernel) immediately after a CPU becomes online during its boot process. These interrupts cannot be properly routed, leading to bad IRQ issues. This patch calls machine_kexec_mask_interrupts() to mask all interrupts during the kexec/kdump process. Signed-off-by: Tianyang Zhang <zhangtianyang@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>