From mboxrd@z Thu Jan 1 00:00:00 1970 From: geoff@infradead.org (Geoff Levand) Date: Fri, 15 Jan 2016 19:18:38 +0000 Subject: [PATCH 19/19] arm64: kdump: relax BUG_ON() if more than one cpus are still active In-Reply-To: References: Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: AKASHI Takahiro 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 --- 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