x86/nmi: Print reasons why backtrace NMIs are ignored

[linux-2.6-microblaze.git] / lib / nmi_backtrace.c

diff --git a/lib/nmi_backtrace.c b/lib/nmi_backtrace.c
index d01aec6..5274bbb 100644 (file)
--- a/lib/nmi_backtrace.c
+++ b/lib/nmi_backtrace.c
@@ -64,6 +64,7 @@ void nmi_trigger_cpumask_backtrace(const cpumask_t *mask,
        if (!cpumask_empty(to_cpumask(backtrace_mask))) {
                pr_info("Sending NMI from CPU %d to CPUs %*pbl:\n",
                        this_cpu, nr_cpumask_bits, to_cpumask(backtrace_mask));
+               nmi_backtrace_stall_snap(to_cpumask(backtrace_mask));
                raise(to_cpumask(backtrace_mask));
        }
 
@@ -74,6 +75,7 @@ void nmi_trigger_cpumask_backtrace(const cpumask_t *mask,
                mdelay(1);
                touch_softlockup_watchdog();
        }
+       nmi_backtrace_stall_check(to_cpumask(backtrace_mask));
 
        /*
         * Force flush any remote buffers that might be stuck in IRQ context