[PATCH 09/20] score: Do not call do_signal() with irqs disabled
From: Richard Weinberger <richard@nod.at>
Date: 2012-05-25 22:08:57
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
get_signal_to_deliver() calls try_to_freeze() which might sleep. Cc: Chen Liqin <redacted> Cc: Lennox Wu <redacted> 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