sh: stacktrace/lockdep/irqflags tracing support.

Wire up all of the essentials for lockdep..

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index cfeefc10e254..716ebf568af2 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -37,6 +37,9 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
         int si_code;
         siginfo_t info;
 
+        trace_hardirqs_on();
+        local_irq_enable();
+
 #ifdef CONFIG_SH_KGDB
         if (kgdb_nofault && kgdb_bus_err_hook)
                 kgdb_bus_err_hook();