From: AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx> We should try best in case of kdump. So even if not all secondary cpus have shut down, we do kdump anyway. Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org> --- arch/arm64/kernel/machine_kexec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c index 0ba2ae4..3230551 100644 --- a/arch/arm64/kernel/machine_kexec.c +++ b/arch/arm64/kernel/machine_kexec.c @@ -157,7 +157,7 @@ void machine_kexec(struct kimage *kimage) phys_addr_t reboot_code_buffer_phys; void *reboot_code_buffer; - BUG_ON(num_online_cpus() > 1); + BUG_ON((num_online_cpus() > 1) && !WARN_ON(in_crash_kexec)); reboot_code_buffer_phys = page_to_phys(kimage->control_code_page); reboot_code_buffer = kmap(kimage->control_code_page); -- 2.5.0