diff options
Diffstat (limited to 'include/asm-i386/i387.h')
| -rw-r--r-- | include/asm-i386/i387.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/asm-i386/i387.h b/include/asm-i386/i387.h index 04ba635e5..1cf8dc2ab 100644 --- a/include/asm-i386/i387.h +++ b/include/asm-i386/i387.h @@ -23,6 +23,10 @@ extern void init_fpu(void); extern void save_init_fpu( struct task_struct *tsk ); extern void restore_fpu( struct task_struct *tsk ); +extern void kernel_fpu_begin(void); +#define kernel_fpu_end() stts() + + #define unlazy_fpu( tsk ) do { \ if ( tsk->flags & PF_USEDFPU ) \ save_init_fpu( tsk ); \ @@ -50,10 +54,8 @@ extern void set_fpu_twd( struct task_struct *tsk, unsigned short twd ); extern void set_fpu_mxcsr( struct task_struct *tsk, unsigned short mxcsr ); #define load_mxcsr( val ) do { \ - if ( cpu_has_xmm ) { \ - unsigned long __mxcsr = ((unsigned long)(val) & 0xffff); \ - asm volatile( "ldmxcsr %0" : : "m" (__mxcsr) ); \ - } \ + unsigned long __mxcsr = ((unsigned long)(val) & 0xffbf); \ + asm volatile( "ldmxcsr %0" : : "m" (__mxcsr) ); \ } while (0) /* |