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Subject[PATCH 01/20] arm: Do not call do_signal() with irqs disabled
Date
get_signal_to_deliver() calls try_to_freeze() which might sleep.

Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Richard Weinberger <richard@nod.at>
---
arch/arm/kernel/signal.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 4e5fdd9..434a1f3 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -13,6 +13,7 @@
#include <linux/freezer.h>
#include <linux/uaccess.h>
#include <linux/tracehook.h>
+#include <linux/irqflags.h>

#include <asm/elf.h>
#include <asm/cacheflush.h>
@@ -722,6 +723,8 @@ 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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