[PATCH 06/20] m32r: Do not call do_signal() with irqs disabled

[Richard Weinberger]

get_signal_to_deliver() calls try_to_freeze() which might sleep.

Cc: Hirokazu Takata <takata@xxxxxxxxxxxxxx>
Cc: linux-m32r@xxxxxxxxxxxxxxxxx
Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
 arch/m32r/kernel/signal.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c
index f54d969..0521e19 100644
--- a/arch/m32r/kernel/signal.c
+++ b/arch/m32r/kernel/signal.c
@@ -22,6 +22,7 @@
 #include <linux/personality.h>
 #include <linux/freezer.h>
 #include <linux/tracehook.h>
+#include <linux/irqflags.h>
 #include <asm/cacheflush.h>
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
@@ -372,6 +373,8 @@ static void do_signal(struct pt_regs *regs)
  */
 void do_notify_resume(struct pt_regs *regs, __u32 thread_info_flags)
 {
+	local_irq_enable();
+
 	/* Pending single-step? */
 	if (thread_info_flags & _TIF_SINGLESTEP)
 		clear_thread_flag(TIF_SINGLESTEP);
-- 
1.7.7.3

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