[PATCH 05/20] hexagon: Do not call do_signal() with irqs disabled

From: Richard Weinberger
Date: Fri May 25 2012 - 18:10:58 EST


get_signal_to_deliver() calls try_to_freeze() which might sleep.

Cc: Richard Kuo <rkuo@xxxxxxxxxxxxxx>
Cc: linux-hexagon@xxxxxxxxxxxxxxx
Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
arch/hexagon/kernel/signal.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/hexagon/kernel/signal.c b/arch/hexagon/kernel/signal.c
index 434866e..8403bfd 100644
--- a/arch/hexagon/kernel/signal.c
+++ b/arch/hexagon/kernel/signal.c
@@ -22,6 +22,7 @@
#include <linux/syscalls.h>
#include <linux/freezer.h>
#include <linux/tracehook.h>
+#include <linux/irqflags.h>
#include <asm/registers.h>
#include <asm/thread_info.h>
#include <asm/unistd.h>
@@ -267,6 +268,8 @@ no_restart:

void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags)
{
+ local_irq_enable();
+
if (thread_info_flags & _TIF_SIGPENDING)
do_signal(regs);

--
1.7.7.3

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