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authorIngo Molnar <mingo@elte.hu>2008-08-14 12:19:59 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-14 12:19:59 +0200
commit8d7ccaa545490cdffdfaff0842436a8dd85cf47b (patch)
tree8129b5907161bc6ae26deb3645ce1e280c5e1f51 /include/asm-x86/i387.h
parentX86_SMP: tlb_XX.c declare smp_invalidate_interrupt before they get used (diff)
parentLinux 2.6.27-rc3 (diff)
downloadlinux-8d7ccaa545490cdffdfaff0842436a8dd85cf47b.tar.xz
linux-8d7ccaa545490cdffdfaff0842436a8dd85cf47b.zip
Merge commit 'v2.6.27-rc3' into x86/prototypes
Conflicts: include/asm-x86/dma-mapping.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/i387.h')
-rw-r--r--include/asm-x86/i387.h54
1 files changed, 0 insertions, 54 deletions
diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h
index 487898923830..b1733601df95 100644
--- a/include/asm-x86/i387.h
+++ b/include/asm-x86/i387.h
@@ -138,60 +138,6 @@ 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);