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Diffstat (limited to 'arch/mips/kernel/signal-common.h')
-rw-r--r--arch/mips/kernel/signal-common.h19
1 files changed, 12 insertions, 7 deletions
diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h
index fdbdbdc65b5..9c60d09e62a 100644
--- a/arch/mips/kernel/signal-common.h
+++ b/arch/mips/kernel/signal-common.h
@@ -14,21 +14,26 @@
/* #define DEBUG_SIG */
#ifdef DEBUG_SIG
-# define DEBUGP(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ##args)
+# define DEBUGP(fmt, args...) printk("%s: " fmt, __func__, ##args)
#else
# define DEBUGP(fmt, args...)
#endif
-#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-
/*
* Determine which stack to use..
*/
extern void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
size_t frame_size);
-/*
- * install trampoline code to get back from the sig handler
- */
-extern int install_sigtramp(unsigned int __user *tramp, unsigned int syscall);
+/* 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 */