1 files changed, 26 insertions, 0 deletions

diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c
index edae461b1c54..eb92592fd80c 100644
--- a/arch/blackfin/kernel/kgdb.c
+++ b/arch/blackfin/kernel/kgdb.c
@@ -345,6 +345,23 @@ void kgdb_roundup_cpu(int cpu, unsigned long flags)
 }
 #endif
 
+#ifdef CONFIG_IPIPE
+static unsigned long kgdb_arch_imask;
+#endif
+
+void kgdb_post_primary_code(struct pt_regs *regs, int e_vector, int err_code)
+{
+        if (kgdb_single_step)
+                preempt_enable();
+
+#ifdef CONFIG_IPIPE
+        if (kgdb_arch_imask) {
+                cpu_pda[raw_smp_processor_id()].ex_imask = kgdb_arch_imask;
+                kgdb_arch_imask = 0;
+        }
+#endif
+}
+
 int kgdb_arch_handle_exception(int vector, int signo,
                                int err_code, char *remcom_in_buffer,
                                char *remcom_out_buffer,
@@ -388,6 +405,12 @@ int kgdb_arch_handle_exception(int vector, int signo,
                          * kgdb_single_step > 0 means in single step mode
                          */
                         kgdb_single_step = i + 1;
+
+                        preempt_disable();
+#ifdef CONFIG_IPIPE
+                        kgdb_arch_imask = cpu_pda[raw_smp_processor_id()].ex_imask;
+                        cpu_pda[raw_smp_processor_id()].ex_imask = 0;
+#endif
                 }
 
                 bfin_correct_hw_break();
@@ -448,6 +471,9 @@ void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
 int kgdb_arch_init(void)
 {
         kgdb_single_step = 0;
+#ifdef CONFIG_IPIPE
+        kgdb_arch_imask = 0;
+#endif
 
         bfin_remove_all_hw_break();
         return 0;