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Diffstat (limited to 'arch/x86/include/asm/i387.h')
-rw-r--r--arch/x86/include/asm/i387.h44
1 files changed, 22 insertions, 22 deletions
diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h
index 01b115d86770..f5376676f89c 100644
--- a/arch/x86/include/asm/i387.h
+++ b/arch/x86/include/asm/i387.h
@@ -264,21 +264,21 @@ static inline int restore_fpu_checking(struct task_struct *tsk)
* be preemption protection *and* they need to be
* properly paired with the CR0.TS changes!
*/
-static inline int __thread_has_fpu(struct thread_info *ti)
+static inline int __thread_has_fpu(struct task_struct *tsk)
{
- return ti->status & TS_USEDFPU;
+ return tsk->thread.has_fpu;
}
/* Must be paired with an 'stts' after! */
-static inline void __thread_clear_has_fpu(struct thread_info *ti)
+static inline void __thread_clear_has_fpu(struct task_struct *tsk)
{
- ti->status &= ~TS_USEDFPU;
+ tsk->thread.has_fpu = 0;
}
/* Must be paired with a 'clts' before! */
-static inline void __thread_set_has_fpu(struct thread_info *ti)
+static inline void __thread_set_has_fpu(struct task_struct *tsk)
{
- ti->status |= TS_USEDFPU;
+ tsk->thread.has_fpu = 1;
}
/*
@@ -288,16 +288,16 @@ static inline void __thread_set_has_fpu(struct thread_info *ti)
* These generally need preemption protection to work,
* do try to avoid using these on their own.
*/
-static inline void __thread_fpu_end(struct thread_info *ti)
+static inline void __thread_fpu_end(struct task_struct *tsk)
{
- __thread_clear_has_fpu(ti);
+ __thread_clear_has_fpu(tsk);
stts();
}
-static inline void __thread_fpu_begin(struct thread_info *ti)
+static inline void __thread_fpu_begin(struct task_struct *tsk)
{
clts();
- __thread_set_has_fpu(ti);
+ __thread_set_has_fpu(tsk);
}
/*
@@ -308,21 +308,21 @@ extern int restore_i387_xstate(void __user *buf);
static inline void __unlazy_fpu(struct task_struct *tsk)
{
- if (__thread_has_fpu(task_thread_info(tsk))) {
+ if (__thread_has_fpu(tsk)) {
__save_init_fpu(tsk);
- __thread_fpu_end(task_thread_info(tsk));
+ __thread_fpu_end(tsk);
} else
tsk->fpu_counter = 0;
}
static inline void __clear_fpu(struct task_struct *tsk)
{
- if (__thread_has_fpu(task_thread_info(tsk))) {
+ if (__thread_has_fpu(tsk)) {
/* Ignore delayed exceptions from user space */
asm volatile("1: fwait\n"
"2:\n"
_ASM_EXTABLE(1b, 2b));
- __thread_fpu_end(task_thread_info(tsk));
+ __thread_fpu_end(tsk);
}
}
@@ -337,7 +337,7 @@ static inline void __clear_fpu(struct task_struct *tsk)
*/
static inline bool interrupted_kernel_fpu_idle(void)
{
- return !__thread_has_fpu(current_thread_info()) &&
+ return !__thread_has_fpu(current) &&
(read_cr0() & X86_CR0_TS);
}
@@ -371,12 +371,12 @@ static inline bool irq_fpu_usable(void)
static inline void kernel_fpu_begin(void)
{
- struct thread_info *me = current_thread_info();
+ struct task_struct *me = current;
WARN_ON_ONCE(!irq_fpu_usable());
preempt_disable();
if (__thread_has_fpu(me)) {
- __save_init_fpu(me->task);
+ __save_init_fpu(me);
__thread_clear_has_fpu(me);
/* We do 'stts()' in kernel_fpu_end() */
} else
@@ -441,13 +441,13 @@ static inline void irq_ts_restore(int TS_state)
*/
static inline int user_has_fpu(void)
{
- return __thread_has_fpu(current_thread_info());
+ return __thread_has_fpu(current);
}
static inline void user_fpu_end(void)
{
preempt_disable();
- __thread_fpu_end(current_thread_info());
+ __thread_fpu_end(current);
preempt_enable();
}
@@ -455,7 +455,7 @@ static inline void user_fpu_begin(void)
{
preempt_disable();
if (!user_has_fpu())
- __thread_fpu_begin(current_thread_info());
+ __thread_fpu_begin(current);
preempt_enable();
}
@@ -464,10 +464,10 @@ static inline void user_fpu_begin(void)
*/
static inline void save_init_fpu(struct task_struct *tsk)
{
- WARN_ON_ONCE(!__thread_has_fpu(task_thread_info(tsk)));
+ WARN_ON_ONCE(!__thread_has_fpu(tsk));
preempt_disable();
__save_init_fpu(tsk);
- __thread_fpu_end(task_thread_info(tsk));
+ __thread_fpu_end(tsk);
preempt_enable();
}