get_signal_to_deliver() calls try_to_freeze() which might sleep.
Cc: Guan Xuetao <gxt@xxxxxxxxxxxxxxx>
Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
arch/unicore32/kernel/signal.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/unicore32/kernel/signal.c b/arch/unicore32/kernel/signal.c
index 7754df6..d25ddd8 100644
--- a/arch/unicore32/kernel/signal.c
+++ b/arch/unicore32/kernel/signal.c
@@ -17,6 +17,7 @@
#include <linux/tracehook.h>
#include <linux/elf.h>
#include <linux/unistd.h>
+#include <linux/irqflags.h>
#include <asm/cacheflush.h>
#include <asm/ucontext.h>
@@ -458,6 +459,8 @@ static void do_signal(struct pt_regs *regs, int syscall)
asmlinkage void do_notify_resume(struct pt_regs *regs,
unsigned int thread_flags, int syscall)
{
+ local_irq_enable();
+
if (thread_flags & _TIF_SIGPENDING)
do_signal(regs, syscall);
--
1.7.7.3
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