linux-kernel - [PATCH 07/20] mn10300: Do not call do

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Date:	Sat, 26 May 2012 00:04:23 +0200
From:	Richard Weinberger <richard@....at>
To:	linux-kernel@...r.kernel.org
Cc:	linux-arch@...r.kernel.org, Richard Weinberger <richard@....at>,
	David Howells <dhowells@...hat.com>,
	Koichi Yasutake <yasutake.koichi@...panasonic.com>,
	linux-am33-list@...hat.com
Subject: [PATCH 07/20] mn10300: Do not call do_signal() with irqs disabled

get_signal_to_deliver() calls try_to_freeze() which might sleep.

Cc: David Howells <dhowells@...hat.com>
Cc: Koichi Yasutake <yasutake.koichi@...panasonic.com>
Cc: linux-am33-list@...hat.com
Signed-off-by: Richard Weinberger <richard@....at>
---
 arch/mn10300/kernel/signal.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c
index 890cf91..4a6c212 100644
--- a/arch/mn10300/kernel/signal.c
+++ b/arch/mn10300/kernel/signal.c
@@ -23,6 +23,7 @@
 #include <linux/personality.h>
 #include <linux/suspend.h>
 #include <linux/tracehook.h>
+#include <linux/irqflags.h>
 #include <asm/cacheflush.h>
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
@@ -537,6 +538,8 @@ static void do_signal(struct pt_regs *regs)
  */
 asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags)
 {
+	local_irq_enable();
+
 	/* Pending single-step? */
 	if (thread_info_flags & _TIF_SINGLESTEP) {
 #ifndef CONFIG_MN10300_USING_JTAG
-- 
1.7.7.3

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