diff options
Diffstat (limited to 'arch/arm64/kernel/smp.c')
| -rw-r--r-- | arch/arm64/kernel/smp.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index a0a06580bcef..1f87a44d0847 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -899,6 +899,13 @@ void handle_IPI(int ipinr, struct pt_regs *regs) #endif case IPI_CPU_BACKTRACE: + BUILD_BUG_ON(SMP_IPI_NMI_MASK != BIT(IPI_CPU_BACKTRACE)); + + if (in_nmi()) { + nmi_cpu_backtrace(regs); + break; + } + printk_nmi_enter(); irq_enter(); nmi_cpu_backtrace(regs); |