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[PATCH] arm: task_thread_info()

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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 01:05:56 -08:00 committed by Linus Torvalds
parent 68f8b1f8f1
commit e7c1b32fd3
4 changed files with 10 additions and 10 deletions
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4
arch/arm/kernel/process.c
View File

@ -342,10 +342,10 @@ void flush_thread(void)
void release_thread(struct task_struct *dead_task)
{
#if defined(CONFIG_VFP)
vfp_release_thread(&dead_task->thread_info->vfpstate);
vfp_release_thread(&task_thread_info(dead_task)->vfpstate);
#endif
#if defined(CONFIG_IWMMXT)
iwmmxt_task_release(dead_task->thread_info);
iwmmxt_task_release(task_thread_info(dead_task));
#endif
}

10
arch/arm/kernel/ptrace.c
View File

@ -604,7 +604,7 @@ static int ptrace_setregs(struct task_struct *tsk, void __user *uregs)
*/
static int ptrace_getfpregs(struct task_struct *tsk, void __user *ufp)
{
return copy_to_user(ufp, &tsk->thread_info->fpstate,
return copy_to_user(ufp, &task_thread_info(tsk)->fpstate,
sizeof(struct user_fp)) ? -EFAULT : 0;
}
@ -613,7 +613,7 @@ static int ptrace_getfpregs(struct task_struct *tsk, void __user *ufp)
*/
static int ptrace_setfpregs(struct task_struct *tsk, void __user *ufp)
{
struct thread_info *thread = tsk->thread_info;
struct thread_info *thread = task_thread_info(tsk);
thread->used_cp[1] = thread->used_cp[2] = 1;
return copy_from_user(&thread->fpstate, ufp,
sizeof(struct user_fp)) ? -EFAULT : 0;
@ -626,7 +626,7 @@ static int ptrace_setfpregs(struct task_struct *tsk, void __user *ufp)
*/
static int ptrace_getwmmxregs(struct task_struct *tsk, void __user *ufp)
{
struct thread_info *thread = tsk->thread_info;
struct thread_info *thread = task_thread_info(tsk);
void *ptr = &thread->fpstate;
if (!test_ti_thread_flag(thread, TIF_USING_IWMMXT))
@ -643,7 +643,7 @@ static int ptrace_getwmmxregs(struct task_struct *tsk, void __user *ufp)
*/
static int ptrace_setwmmxregs(struct task_struct *tsk, void __user *ufp)
{
struct thread_info *thread = tsk->thread_info;
struct thread_info *thread = task_thread_info(tsk);
void *ptr = &thread->fpstate;
if (!test_ti_thread_flag(thread, TIF_USING_IWMMXT))
@ -779,7 +779,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
#endif
case PTRACE_GET_THREAD_AREA:
ret = put_user(child->thread_info->tp_value,
ret = put_user(task_thread_info(child)->tp_value,
(unsigned long __user *) data);
break;

2
include/asm-arm/system.h
View File

@ -168,7 +168,7 @@ extern struct task_struct *__switch_to(struct task_struct *, struct thread_info
#define switch_to(prev,next,last) \
do { \
last = __switch_to(prev,prev->thread_info,next->thread_info); \
last = __switch_to(prev,task_thread_info(prev), task_thread_info(next)); \
} while (0)
/*

4
include/asm-arm/thread_info.h
View File

@ -100,9 +100,9 @@ extern void free_thread_info(struct thread_info *);
#define put_thread_info(ti) put_task_struct((ti)->task)
#define thread_saved_pc(tsk) \
((unsigned long)(pc_pointer((tsk)->thread_info->cpu_context.pc)))
((unsigned long)(pc_pointer(task_thread_info(tsk)->cpu_context.pc)))
#define thread_saved_fp(tsk) \
((unsigned long)((tsk)->thread_info->cpu_context.fp))
((unsigned long)(task_thread_info(tsk)->cpu_context.fp))
extern void iwmmxt_task_disable(struct thread_info *);
extern void iwmmxt_task_copy(struct thread_info *, void *);