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Commit a0f4207d authored by Sonic Zhang's avatar Sonic Zhang Committed by Steven Miao
Browse files

bug[220] kgdb: change the smp cross core function entry 



Signed-off-by: default avatarSonic Zhang <sonic.zhang@analog.com>
parent 4eb147c8

arch/blackfin/kernel/kgdb.c

+4 −8
Original line number Original line Diff line number Diff line
@@ -330,9 +330,6 @@ static void bfin_disable_hw_debug(struct pt_regs *regs) 
}

}





#ifdef CONFIG_SMP

#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)

void kgdb_passive_cpu_callback(void *info)

{

{

	kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());

	kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
@@ -343,15 +340,14 @@ void kgdb_roundup_cpus(unsigned long flags) 
	unsigned int cpu;

	unsigned int cpu;





	for (cpu = cpumask_first(cpu_online_mask); cpu < nr_cpu_ids;

	for (cpu = cpumask_first(cpu_online_mask); cpu < nr_cpu_ids;

		cpu = cpumask_next(cpu, cpu_online_mask)) {

		cpu = cpumask_next(cpu, cpu_online_mask))

		kgdb_smp_ipi_data[cpu].func = kgdb_passive_cpu_callback;

		smp_call_function_single(cpu, kgdb_passive_cpu_callback,

		generic_exec_single(cpu, &kgdb_smp_ipi_data[cpu], 0);

					 NULL, 0);

	}

}

}





void kgdb_roundup_cpu(int cpu, unsigned long flags)

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

#endif