[PATCH] amd64: task_thread_info()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/x86_64/kernel/i387.c

@@ -95,7 +95,7 @@ int save_i387(struct _fpstate __user *buf)
 	if (!used_math())
 		return 0;
 	clear_used_math(); /* trigger finit */
-	if (tsk->thread_info->status & TS_USEDFPU) {
+	if (task_thread_info(tsk)->status & TS_USEDFPU) {
 		err = save_i387_checking((struct i387_fxsave_struct __user *)buf);
 		if (err) return err;
 		stts();

arch/x86_64/kernel/i8259.c

@@ -133,7 +133,7 @@ static void end_8259A_irq (unsigned int irq)
 {
 	if (irq > 256) { 
 		char var;
-		printk("return %p stack %p ti %p\n", __builtin_return_address(0), &var, current->thread_info); 
+		printk("return %p stack %p ti %p\n", __builtin_return_address(0), &var, task_thread_info(current));
 
 		BUG(); 
 	}

arch/x86_64/kernel/process.c

@@ -463,7 +463,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long rsp,
 	p->thread.rsp0 = (unsigned long) (childregs+1);
 	p->thread.userrsp = me->thread.userrsp; 
 
-	set_ti_thread_flag(p->thread_info, TIF_FORK);
+	set_tsk_thread_flag(p, TIF_FORK);
 
 	p->thread.fs = me->thread.fs;
 	p->thread.gs = me->thread.gs;

arch/x86_64/kernel/smpboot.c

@@ -814,7 +814,7 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid)
 	init_rsp = c_idle.idle->thread.rsp;
 	per_cpu(init_tss,cpu).rsp0 = init_rsp;
 	initial_code = start_secondary;
-	clear_ti_thread_flag(c_idle.idle->thread_info, TIF_FORK);
+	clear_tsk_thread_flag(c_idle.idle, TIF_FORK);
 
 	printk(KERN_INFO "Booting processor %d/%d APIC 0x%x\n", cpu,
 		cpus_weight(cpu_present_map),

arch/x86_64/kernel/traps.c

@@ -308,7 +308,7 @@ void show_registers(struct pt_regs *regs)
 	printk("CPU %d ", cpu);
 	__show_regs(regs);
 	printk("Process %s (pid: %d, threadinfo %p, task %p)\n",
-		cur->comm, cur->pid, cur->thread_info, cur);
+		cur->comm, cur->pid, task_thread_info(cur), cur);
 
 	/*
 	 * When in-kernel, we also print out the stack and code at the
@@ -912,7 +912,7 @@ asmlinkage void math_state_restore(void)
 	if (!used_math())
 		init_fpu(me);
 	restore_fpu_checking(&me->thread.i387.fxsave);
-	me->thread_info->status |= TS_USEDFPU;
+	task_thread_info(me)->status |= TS_USEDFPU;
 }
 
 void __init trap_init(void)

include/asm-x86_64/i387.h

@@ -30,7 +30,7 @@ extern int save_i387(struct _fpstate __user *buf);
  */
 
 #define unlazy_fpu(tsk) do { \
-	if ((tsk)->thread_info->status & TS_USEDFPU) \
+	if (task_thread_info(tsk)->status & TS_USEDFPU) \
 		save_init_fpu(tsk); \
 } while (0)
 
@@ -46,9 +46,9 @@ static inline void tolerant_fwait(void)
 }
 
 #define clear_fpu(tsk) do { \
-	if ((tsk)->thread_info->status & TS_USEDFPU) {		\
+	if (task_thread_info(tsk)->status & TS_USEDFPU) {	\
 		tolerant_fwait();				\
-		(tsk)->thread_info->status &= ~TS_USEDFPU;	\
+		task_thread_info(tsk)->status &= ~TS_USEDFPU;	\
 		stts();						\
 	}							\
 } while (0)
@@ -170,10 +170,10 @@ static inline void kernel_fpu_end(void)
 	preempt_enable();
 }
 
-static inline void save_init_fpu( struct task_struct *tsk )
+static inline void save_init_fpu(struct task_struct *tsk)
 {
  	__fxsave_clear(tsk);
-	tsk->thread_info->status &= ~TS_USEDFPU;
+	task_thread_info(tsk)->status &= ~TS_USEDFPU;
 	stts();
 }