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[PATCH] i386: 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 01:05:40 -08:00 • committed by Linus Torvalds
parent 57eafdc22c
commit 06b425d80f
3 changed files with 7 additions and 7 deletions
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4
arch/i386/kernel/process.c
View file

@ -601,8 +601,8 @@ static inline void disable_tsc(struct task_struct *prev_p,
* gcc should eliminate the ->thread_info dereference if * gcc should eliminate the ->thread_info dereference if
* has_secure_computing returns 0 at compile time (SECCOMP=n). * has_secure_computing returns 0 at compile time (SECCOMP=n).
*/ */
prev = prev_p->thread_info; prev = task_thread_info(prev_p);
next = next_p->thread_info; next = task_thread_info(next_p);
if (has_secure_computing(prev) || has_secure_computing(next)) { if (has_secure_computing(prev) || has_secure_computing(next)) {
/* slow path here */ /* slow path here */

2
arch/i386/kernel/vm86.c
View file

@ -311,7 +311,7 @@ static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk
"movl %1,%%ebp\n\t" "movl %1,%%ebp\n\t"
"jmp resume_userspace" "jmp resume_userspace"
: /* no outputs */ : /* no outputs */
:"r" (&info->regs), "r" (tsk->thread_info) : "ax"); :"r" (&info->regs), "r" (task_thread_info(tsk)) : "ax");
/* we never return here */ /* we never return here */
} }

8
include/asm-i386/i387.h
View file

@ -49,19 +49,19 @@ static inline void __save_init_fpu( struct task_struct *tsk )
X86_FEATURE_FXSR, X86_FEATURE_FXSR,
"m" (tsk->thread.i387.fxsave) "m" (tsk->thread.i387.fxsave)
:"memory"); :"memory");
tsk->thread_info->status &= ~TS_USEDFPU; task_thread_info(tsk)->status &= ~TS_USEDFPU;
} }
#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)
#define __clear_fpu( tsk ) \ #define __clear_fpu( tsk ) \
do { \ do { \
if ((tsk)->thread_info->status & TS_USEDFPU) { \ if (task_thread_info(tsk)->status & TS_USEDFPU) { \
asm volatile("fnclex ; fwait"); \ asm volatile("fnclex ; fwait"); \
(tsk)->thread_info->status &= ~TS_USEDFPU; \ task_thread_info(tsk)->status &= ~TS_USEDFPU; \
stts(); \ stts(); \
} \ } \
} while (0) } while (0)