sparc64: Implement HAVE_CONTEXT_TRACKING

[cascardo/linux.git] / arch / sparc / kernel / kgdb_64.c

diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c
index 53c0a82..60b19f5 100644 (file)
--- a/arch/sparc/kernel/kgdb_64.c
+++ b/arch/sparc/kernel/kgdb_64.c
@@ -159,11 +159,12 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code,
 
 asmlinkage void kgdb_trap(unsigned long trap_level, struct pt_regs *regs)
 {
+       enum ctx_state prev_state = exception_enter();
        unsigned long flags;
 
        if (user_mode(regs)) {
                bad_trap(regs, trap_level);
-               return;
+               goto out;
        }
 
        flushw_all();
@@ -171,6 +172,8 @@ asmlinkage void kgdb_trap(unsigned long trap_level, struct pt_regs *regs)
        local_irq_save(flags);
        kgdb_handle_exception(0x172, SIGTRAP, 0, regs);
        local_irq_restore(flags);
+out:
+       exception_exit(prev_state);
 }
 
 int kgdb_arch_init(void)