From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/mips/kernel/signal-common.h | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 arch/mips/kernel/signal-common.h

(limited to 'arch/mips/kernel/signal-common.h')

diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h
new file mode 100644
index 00000000..9c60d09e
--- /dev/null
+++ b/arch/mips/kernel/signal-common.h
@@ -0,0 +1,39 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1991, 1992  Linus Torvalds
+ * Copyright (C) 1994 - 2000  Ralf Baechle
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ */
+
+#ifndef __SIGNAL_COMMON_H
+#define __SIGNAL_COMMON_H
+
+/* #define DEBUG_SIG */
+
+#ifdef DEBUG_SIG
+#  define DEBUGP(fmt, args...) printk("%s: " fmt, __func__, ##args)
+#else
+#  define DEBUGP(fmt, args...)
+#endif
+
+/*
+ * Determine which stack to use..
+ */
+extern void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
+				 size_t frame_size);
+/* Check and clear pending FPU exceptions in saved CSR */
+extern int fpcsr_pending(unsigned int __user *fpcsr);
+
+/* Make sure we will not lose FPU ownership */
+#ifdef CONFIG_PREEMPT
+#define lock_fpu_owner()	preempt_disable()
+#define unlock_fpu_owner()	preempt_enable()
+#else
+#define lock_fpu_owner()	pagefault_disable()
+#define unlock_fpu_owner()	pagefault_enable()
+#endif
+
+#endif	/* __SIGNAL_COMMON_H */
-- 
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