From: Xiongfeng Wang wangxiongfeng2@huawei.com

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I7R4EN CVE: NA

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Fix the following compile error.

arch/arm64/kernel/ipi_nmi.c: In function ‘ipi_nmi_handler’: arch/arm64/kernel/ipi_nmi.c:54:7: error: implicit declaration of function ‘kgdb_nmicallback’ [-Werror=implicit-function-declaration] if (!kgdb_nmicallback(cpu, get_irq_regs())) ^~~~~~~~~~~~~~~~

Signed-off-by: Xiongfeng Wang wangxiongfeng2@huawei.com Reviewed-by: Xie XiuQi xiexiuqi@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Signed-off-by: Ruan Jinjie ruanjinjie@huawei.com Signed-off-by: Liao Chen liaochen4@huawei.com --- arch/arm64/kernel/ipi_nmi.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/kernel/ipi_nmi.c b/arch/arm64/kernel/ipi_nmi.c index 898d69c37429..3b105852fc17 100644 --- a/arch/arm64/kernel/ipi_nmi.c +++ b/arch/arm64/kernel/ipi_nmi.c @@ -46,13 +46,14 @@ bool arch_trigger_cpumask_backtrace(const cpumask_t *mask, bool exclude_self) static irqreturn_t ipi_nmi_handler(int irq, void *data) { irqreturn_t ret = IRQ_NONE; - unsigned int cpu = smp_processor_id();

if (nmi_cpu_backtrace(get_irq_regs())) ret = IRQ_HANDLED;

- if (!kgdb_nmicallback(cpu, get_irq_regs())) +#ifdef CONFIG_KGDB + if (!kgdb_nmicallback(smp_processor_id(), get_irq_regs())) ret = IRQ_HANDLED; +#endif

return ret; }