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[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>
This commit is contained in:
Al Viro 2006-01-12 01:05:38 -08:00 committed by Linus Torvalds
parent e52f4ca2a7
commit e4f17c436f
6 changed files with 11 additions and 11 deletions
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2
arch/x86_64/kernel/i387.c
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@ -95,7 +95,7 @@ int save_i387(struct _fpstate __user *buf)
if (!used_math()) if (!used_math())
return 0; return 0;
clear_used_math(); /* trigger finit */ 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); err = save_i387_checking((struct i387_fxsave_struct __user *)buf);
if (err) return err; if (err) return err;
stts(); stts();

2
arch/x86_64/kernel/i8259.c
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@ -133,7 +133,7 @@ static void end_8259A_irq (unsigned int irq)
{ {
if (irq > 256) { if (irq > 256) {
char var; 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(); BUG();
} }

2
arch/x86_64/kernel/process.c
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@ -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.rsp0 = (unsigned long) (childregs+1);
p->thread.userrsp = me->thread.userrsp; 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.fs = me->thread.fs;
p->thread.gs = me->thread.gs; p->thread.gs = me->thread.gs;

2
arch/x86_64/kernel/smpboot.c
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@ -814,7 +814,7 @@ do_rest:
init_rsp = c_idle.idle->thread.rsp; init_rsp = c_idle.idle->thread.rsp;
per_cpu(init_tss,cpu).rsp0 = init_rsp; per_cpu(init_tss,cpu).rsp0 = init_rsp;
initial_code = start_secondary; 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, printk(KERN_INFO "Booting processor %d/%d APIC 0x%x\n", cpu,
cpus_weight(cpu_present_map), cpus_weight(cpu_present_map),

4
arch/x86_64/kernel/traps.c
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@ -308,7 +308,7 @@ void show_registers(struct pt_regs *regs)
printk("CPU %d ", cpu); printk("CPU %d ", cpu);
__show_regs(regs); __show_regs(regs);
printk("Process %s (pid: %d, threadinfo %p, task %p)\n", 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 * 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()) if (!used_math())
init_fpu(me); init_fpu(me);
restore_fpu_checking(&me->thread.i387.fxsave); 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) void __init trap_init(void)

10
include/asm-x86_64/i387.h
View File

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