static void crash_kexec_prepare_cpus(void)
{
+ static int cpus_stopped;
unsigned int msecs;
+ unsigned int ncpus;
- unsigned int ncpus = num_online_cpus() - 1;/* Excluding the panic cpu */
+ if (cpus_stopped)
+ return;
+
+ ncpus = num_online_cpus() - 1;/* Excluding the panic cpu */
dump_send_ipi(crash_shutdown_secondary);
smp_wmb();
cpu_relax();
mdelay(1);
}
+
+ cpus_stopped = 1;
+}
+
+/* Override the weak function in kernel/panic.c */
+void crash_smp_send_stop(void)
+{
+ if (_crash_smp_send_stop)
+ _crash_smp_send_stop();
+
+ crash_kexec_prepare_cpus();
}
#else /* !defined(CONFIG_SMP) */