diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-26 15:30:40 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-26 15:30:40 +0200 |
commit | 1503af661947b7a4a09355cc2ae6aa0d43f16776 (patch) | |
tree | 5bfcfadf2dd2d98c2ad251c96d7ee43a6903819a /include/asm-x86/i387.h | |
parent | a31863168660c6b6f6c7ffe05bb6a38e97803326 (diff) | |
parent | 024e8ac04453b3525448c31ef39848cf675ba6db (diff) |
Merge branch 'linus' into x86/header-guards
Conflicts:
include/asm-x86/gpio.h
include/asm-x86/ide.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/i387.h')
-rw-r--r-- | include/asm-x86/i387.h | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h index 3e83cbb728a..6f60a6b8997 100644 --- a/include/asm-x86/i387.h +++ b/include/asm-x86/i387.h @@ -137,60 +137,6 @@ static inline void __save_init_fpu(struct task_struct *tsk) task_thread_info(tsk)->status &= ~TS_USEDFPU; } -/* - * Signal frame handlers. - */ - -static inline int save_i387(struct _fpstate __user *buf) -{ - struct task_struct *tsk = current; - int err = 0; - - BUILD_BUG_ON(sizeof(struct user_i387_struct) != - sizeof(tsk->thread.xstate->fxsave)); - - if ((unsigned long)buf % 16) - printk("save_i387: bad fpstate %p\n", buf); - - if (!used_math()) - return 0; - clear_used_math(); /* trigger finit */ - if (task_thread_info(tsk)->status & TS_USEDFPU) { - err = save_i387_checking((struct i387_fxsave_struct __user *) - buf); - if (err) - return err; - task_thread_info(tsk)->status &= ~TS_USEDFPU; - stts(); - } else { - if (__copy_to_user(buf, &tsk->thread.xstate->fxsave, - sizeof(struct i387_fxsave_struct))) - return -1; - } - return 1; -} - -/* - * This restores directly out of user space. Exceptions are handled. - */ -static inline int restore_i387(struct _fpstate __user *buf) -{ - struct task_struct *tsk = current; - int err; - - if (!used_math()) { - err = init_fpu(tsk); - if (err) - return err; - } - - if (!(task_thread_info(current)->status & TS_USEDFPU)) { - clts(); - task_thread_info(current)->status |= TS_USEDFPU; - } - return restore_fpu_checking((__force struct i387_fxsave_struct *)buf); -} - #else /* CONFIG_X86_32 */ extern void finit(void); |