diff options
Diffstat (limited to 'arch/mips/kernel/traps.c')
-rw-r--r-- | arch/mips/kernel/traps.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 9fe21fb6530..308e4346086 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1395,77 +1395,6 @@ void *set_vi_handler(int n, vi_handler_t addr) return set_vi_srs_handler(n, addr, 0); } -/* - * This is used by native signal handling - */ -asmlinkage int (*save_fp_context)(struct sigcontext __user *sc); -asmlinkage int (*restore_fp_context)(struct sigcontext __user *sc); - -extern asmlinkage int _save_fp_context(struct sigcontext __user *sc); -extern asmlinkage int _restore_fp_context(struct sigcontext __user *sc); - -extern asmlinkage int fpu_emulator_save_context(struct sigcontext __user *sc); -extern asmlinkage int fpu_emulator_restore_context(struct sigcontext __user *sc); - -#ifdef CONFIG_SMP -static int smp_save_fp_context(struct sigcontext __user *sc) -{ - return raw_cpu_has_fpu - ? _save_fp_context(sc) - : fpu_emulator_save_context(sc); -} - -static int smp_restore_fp_context(struct sigcontext __user *sc) -{ - return raw_cpu_has_fpu - ? _restore_fp_context(sc) - : fpu_emulator_restore_context(sc); -} -#endif - -static inline void signal_init(void) -{ -#ifdef CONFIG_SMP - /* For now just do the cpu_has_fpu check when the functions are invoked */ - save_fp_context = smp_save_fp_context; - restore_fp_context = smp_restore_fp_context; -#else - if (cpu_has_fpu) { - save_fp_context = _save_fp_context; - restore_fp_context = _restore_fp_context; - } else { - save_fp_context = fpu_emulator_save_context; - restore_fp_context = fpu_emulator_restore_context; - } -#endif -} - -#ifdef CONFIG_MIPS32_COMPAT - -/* - * This is used by 32-bit signal stuff on the 64-bit kernel - */ -asmlinkage int (*save_fp_context32)(struct sigcontext32 __user *sc); -asmlinkage int (*restore_fp_context32)(struct sigcontext32 __user *sc); - -extern asmlinkage int _save_fp_context32(struct sigcontext32 __user *sc); -extern asmlinkage int _restore_fp_context32(struct sigcontext32 __user *sc); - -extern asmlinkage int fpu_emulator_save_context32(struct sigcontext32 __user *sc); -extern asmlinkage int fpu_emulator_restore_context32(struct sigcontext32 __user *sc); - -static inline void signal32_init(void) -{ - if (cpu_has_fpu) { - save_fp_context32 = _save_fp_context32; - restore_fp_context32 = _restore_fp_context32; - } else { - save_fp_context32 = fpu_emulator_save_context32; - restore_fp_context32 = fpu_emulator_restore_context32; - } -} -#endif - extern void cpu_cache_init(void); extern void tlb_init(void); extern void flush_tlb_handlers(void); @@ -1779,11 +1708,6 @@ void __init trap_init(void) else memcpy((void *)(ebase + 0x080), &except_vec3_generic, 0x80); - signal_init(); -#ifdef CONFIG_MIPS32_COMPAT - signal32_init(); -#endif - local_flush_icache_range(ebase, ebase + 0x400); flush_tlb_handlers(); |