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authorSonic Zhang <sonic.zhang@analog.com>2014-07-29 04:41:10 -0400
committerSteven Miao <realmz6@gmail.com>2015-04-23 09:34:26 -0400
commita0f4207d03b40eee6338b51288849965ac2b94e2 (patch)
tree77af05da8984f6e69b9e77dce5c66815ec482919 /arch/blackfin
parent4eb147c83f34e00184557923d2bf93f593deb41c (diff)
bug[220] kgdb: change the smp cross core function entry
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/kernel/kgdb.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c
index fa53faeeb0e9..48dacde30550 100644
--- a/arch/blackfin/kernel/kgdb.c
+++ b/arch/blackfin/kernel/kgdb.c
@@ -330,9 +330,6 @@ static void bfin_disable_hw_debug(struct pt_regs *regs)
330} 330}
331 331
332#ifdef CONFIG_SMP 332#ifdef CONFIG_SMP
333extern void generic_exec_single(int cpu, struct call_single_data *data, int wait);
334static struct call_single_data kgdb_smp_ipi_data[NR_CPUS];
335
336void kgdb_passive_cpu_callback(void *info) 333void kgdb_passive_cpu_callback(void *info)
337{ 334{
338 kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs()); 335 kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
@@ -343,15 +340,14 @@ void kgdb_roundup_cpus(unsigned long flags)
343 unsigned int cpu; 340 unsigned int cpu;
344 341
345 for (cpu = cpumask_first(cpu_online_mask); cpu < nr_cpu_ids; 342 for (cpu = cpumask_first(cpu_online_mask); cpu < nr_cpu_ids;
346 cpu = cpumask_next(cpu, cpu_online_mask)) { 343 cpu = cpumask_next(cpu, cpu_online_mask))
347 kgdb_smp_ipi_data[cpu].func = kgdb_passive_cpu_callback; 344 smp_call_function_single(cpu, kgdb_passive_cpu_callback,
348 generic_exec_single(cpu, &kgdb_smp_ipi_data[cpu], 0); 345 NULL, 0);
349 }
350} 346}
351 347
352void kgdb_roundup_cpu(int cpu, unsigned long flags) 348void kgdb_roundup_cpu(int cpu, unsigned long flags)
353{ 349{
354 generic_exec_single(cpu, &kgdb_smp_ipi_data[cpu], 0); 350 smp_call_function_single(cpu, kgdb_passive_cpu_callback, NULL, 0);
355} 351}
356#endif 352#endif
357 353