diff options
Diffstat (limited to 'arch/mips/kernel/kgdb.c')
| -rw-r--r-- | arch/mips/kernel/kgdb.c | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c index ea781b29f7f1..09a2d7bb9eef 100644 --- a/arch/mips/kernel/kgdb.c +++ b/arch/mips/kernel/kgdb.c @@ -32,7 +32,6 @@ #include <asm/cacheflush.h> #include <asm/processor.h> #include <asm/sigcontext.h> -#include <linux/uaccess.h> #include <asm/irq_regs.h> static struct hard_trap_info { @@ -208,18 +207,6 @@ void arch_kgdb_breakpoint(void) ".set\treorder"); } -void kgdb_call_nmi_hook(void *ignored) -{ - mm_segment_t old_fs; - - old_fs = get_fs(); - set_fs(KERNEL_DS); - - kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs()); - - set_fs(old_fs); -} - static int compute_signal(int tt) { struct hard_trap_info *ht; @@ -302,7 +289,6 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd, struct die_args *args = (struct die_args *)ptr; struct pt_regs *regs = args->regs; int trap = (regs->cp0_cause & 0x7c) >> 2; - mm_segment_t old_fs; #ifdef CONFIG_KPROBES /* @@ -317,17 +303,11 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd, if (user_mode(regs)) return NOTIFY_DONE; - /* Kernel mode. Set correct address limit */ - old_fs = get_fs(); - set_fs(KERNEL_DS); - if (atomic_read(&kgdb_active) != -1) kgdb_nmicallback(smp_processor_id(), regs); - if (kgdb_handle_exception(trap, compute_signal(trap), cmd, regs)) { - set_fs(old_fs); + if (kgdb_handle_exception(trap, compute_signal(trap), cmd, regs)) return NOTIFY_DONE; - } if (atomic_read(&kgdb_setting_breakpoint)) if ((trap == 9) && (regs->cp0_epc == (unsigned long)breakinst)) @@ -337,7 +317,6 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd, local_irq_enable(); __flush_cache_all(); - set_fs(old_fs); return NOTIFY_STOP; } |