diff options
Diffstat (limited to 'arch/hexagon/kernel/kgdb.c')
| -rw-r--r-- | arch/hexagon/kernel/kgdb.c | 34 |
1 files changed, 1 insertions, 33 deletions
diff --git a/arch/hexagon/kernel/kgdb.c b/arch/hexagon/kernel/kgdb.c index 16c24b22d0b2..3fabd3ff3bbd 100644 --- a/arch/hexagon/kernel/kgdb.c +++ b/arch/hexagon/kernel/kgdb.c @@ -83,7 +83,7 @@ struct dbg_reg_def_t dbg_reg_def[DBG_MAX_REG_NUM] = { { "syscall_nr", GDB_SIZEOF_REG, offsetof(struct pt_regs, syscall_nr)}, }; -struct kgdb_arch arch_kgdb_ops = { +const struct kgdb_arch arch_kgdb_ops = { /* trap0(#0xDB) 0x0cdb0054 */ .gdb_bpt_instr = {0x54, 0x00, 0xdb, 0x0c}, }; @@ -115,38 +115,6 @@ void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc) instruction_pointer(regs) = pc; } -#ifdef CONFIG_SMP - -/** - * kgdb_roundup_cpus - Get other CPUs into a holding pattern - * @flags: Current IRQ state - * - * On SMP systems, we need to get the attention of the other CPUs - * and get them be in a known state. This should do what is needed - * to get the other CPUs to call kgdb_wait(). Note that on some arches, - * the NMI approach is not used for rounding up all the CPUs. For example, - * in case of MIPS, smp_call_function() is used to roundup CPUs. In - * this case, we have to make sure that interrupts are enabled before - * calling smp_call_function(). The argument to this function is - * the flags that will be used when restoring the interrupts. There is - * local_irq_save() call before kgdb_roundup_cpus(). - * - * On non-SMP systems, this is not called. - */ - -static void hexagon_kgdb_nmi_hook(void *ignored) -{ - kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs()); -} - -void kgdb_roundup_cpus(unsigned long flags) -{ - local_irq_enable(); - smp_call_function(hexagon_kgdb_nmi_hook, NULL, 0); - local_irq_disable(); -} -#endif - /* Not yet working */ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, |