On Thu, Apr 21, 2016 at 01:48:42PM +0200, Petr Mladek wrote: > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index cdfa6c2b7626..259543ec6dc9 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -66,6 +66,7 @@ config ARM > select HAVE_KRETPROBES if (HAVE_KPROBES) > select HAVE_MEMBLOCK > select HAVE_MOD_ARCH_SPECIFIC > + select HAVE_NMI > select HAVE_OPROFILE if (HAVE_PERF_EVENTS) > select HAVE_OPTPROBES if !THUMB2_KERNEL > select HAVE_PERF_EVENTS > diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c > index baee70267f29..df90bc59bfce 100644 > --- a/arch/arm/kernel/smp.c > +++ b/arch/arm/kernel/smp.c > @@ -644,9 +644,11 @@ void handle_IPI(int ipinr, struct pt_regs *regs) > break; > > case IPI_CPU_BACKTRACE: > + printk_nmi_enter(); > irq_enter(); > nmi_cpu_backtrace(regs); > irq_exit(); > + printk_nmi_exit(); > break; > > default: For the above, Acked-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx> -- RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.
