[PATCH 09/20] score: Do not call do_signal() with irqs disabled

[Richard Weinberger]

get_signal_to_deliver() calls try_to_freeze() which might sleep.

Cc: Chen Liqin <liqin.chen@xxxxxxxxxxxxx>
Cc: Lennox Wu <lennox.wu@xxxxxxxxx>
Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
 arch/score/kernel/signal.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c
index d4a4901..452c1fa 100644
--- a/arch/score/kernel/signal.c
+++ b/arch/score/kernel/signal.c
@@ -29,6 +29,7 @@
 #include <linux/unistd.h>
 #include <linux/uaccess.h>
 #include <linux/tracehook.h>
+#include <linux/irqflags.h>
 
 #include <asm/cacheflush.h>
 #include <asm/syscalls.h>
@@ -350,6 +351,8 @@ static void do_signal(struct pt_regs *regs)
 asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
 				__u32 thread_info_flags)
 {
+	local_irq_enable();
+
 	/* deal with pending signal delivery */
 	if (thread_info_flags & _TIF_SIGPENDING)
 		do_signal(regs);
-- 
1.7.7.3

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