--- zzzz-none-000/linux-3.10.107/arch/mips/kernel/signal-common.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/kernel/signal-common.h	2021-02-04 17:41:59.000000000 +0000
@@ -22,18 +22,22 @@
 /*
  * Determine which stack to use..
  */
-extern void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
+extern void __user *get_sigframe(struct ksignal *ksig, 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
+#define lock_fpu_owner()	({ preempt_disable(); pagefault_disable(); })
+#define unlock_fpu_owner()	({ pagefault_enable(); preempt_enable(); })
+
+/* Assembly functions to move context to/from the FPU */
+extern asmlinkage int
+_save_fp_context(void __user *fpregs, void __user *csr);
+extern asmlinkage int
+_restore_fp_context(void __user *fpregs, void __user *csr);
+
+extern asmlinkage int _save_msa_all_upper(void __user *buf);
+extern asmlinkage int _restore_msa_all_upper(void __user *buf);
 
 #endif	/* __SIGNAL_COMMON_H */