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Subject[PATCH 09/20] score: Do not call do_signal() with irqs disabled
Date
get_signal_to_deliver() calls try_to_freeze() which might sleep.

Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
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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