From: AKASHI Takahiro <takahiro.aka...@linaro.org> 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.aka...@linaro.org> --- arch/arm64/kernel/machine_kexec.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c index 06b9bc2..7f7fec5 100644 --- a/arch/arm64/kernel/machine_kexec.c +++ b/arch/arm64/kernel/machine_kexec.c @@ -148,7 +148,13 @@ void machine_kexec(struct kimage *kimage) phys_addr_t reboot_code_buffer_phys; void *reboot_code_buffer; - BUG_ON(num_online_cpus() > 1); + if (num_online_cpus() > 1) { + if (in_crash_kexec) + pr_warn("*\n* kdump might fail because %d cpus are still online\n*\n", + num_online_cpus()); + else + BUG(); + } reboot_code_buffer_phys = page_to_phys(kimage->control_code_page); reboot_code_buffer = phys_to_virt(reboot_code_buffer_phys); -- 2.7.4 -- _______________________________________________ linux-yocto mailing list linux-yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/linux-yocto