bug[220] kgdb: change the smp cross core function entry
authorSonic Zhang <sonic.zhang@analog.com>
Tue, 29 Jul 2014 08:41:10 +0000 (16:41 +0800)
committerSteven Miao <realmz6@gmail.com>
Thu, 23 Apr 2015 13:34:26 +0000 (21:34 +0800)
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
arch/blackfin/kernel/kgdb.c

index fa53faeeb0e93902aebe5ffa9b2495a258b0830d..48dacde30550d5b09e87a5b9deff23479b92b95e 100644 (file)
@@ -330,9 +330,6 @@ static void bfin_disable_hw_debug(struct pt_regs *regs)
 }
 
 #ifdef CONFIG_SMP
-extern void generic_exec_single(int cpu, struct call_single_data *data, int wait);
-static struct call_single_data kgdb_smp_ipi_data[NR_CPUS];
-
 void kgdb_passive_cpu_callback(void *info)
 {
        kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
@@ -343,15 +340,14 @@ void kgdb_roundup_cpus(unsigned long flags)
        unsigned int cpu;
 
        for (cpu = cpumask_first(cpu_online_mask); cpu < nr_cpu_ids;
-               cpu = cpumask_next(cpu, cpu_online_mask)) {
-               kgdb_smp_ipi_data[cpu].func = kgdb_passive_cpu_callback;
-               generic_exec_single(cpu, &kgdb_smp_ipi_data[cpu], 0);
-       }
+               cpu = cpumask_next(cpu, cpu_online_mask))
+               smp_call_function_single(cpu, kgdb_passive_cpu_callback,
+                                        NULL, 0);
 }
 
 void kgdb_roundup_cpu(int cpu, unsigned long flags)
 {
-       generic_exec_single(cpu, &kgdb_smp_ipi_data[cpu], 0);
+       smp_call_function_single(cpu, kgdb_passive_cpu_callback, NULL, 0);
 }
 #endif