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[PATCH] alpha: task_thread_info()

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use task_thread_info() for accesses to thread_info of task in arch/alpha
and include/asm-alpha

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 01:05:36 -08:00 • committed by Linus Torvalds
commit 37bfbaf995
6 changed files with 30 additions and 30 deletions
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6
include/asm-alpha/mmu_context.h
View file

@ -156,7 +156,7 @@ ev5_switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm,
/* Always update the PCB ASN. Another thread may have allocated
a new mm->context (via flush_tlb_mm) without the ASN serial
number wrapping. We have no way to detect when this is needed. */
next->thread_info->pcb.asn = mmc & HARDWARE_ASN_MASK;
task_thread_info(next)->pcb.asn = mmc & HARDWARE_ASN_MASK;
}
__EXTERN_INLINE void
@ -235,7 +235,7 @@ init_new_context(struct task_struct *tsk, struct mm_struct *mm)
if (cpu_online(i))
mm->context[i] = 0;
if (tsk != current)
tsk->thread_info->pcb.ptbr
task_thread_info(tsk)->pcb.ptbr
= ((unsigned long)mm->pgd - IDENT_ADDR) >> PAGE_SHIFT;
return 0;
}
@ -249,7 +249,7 @@ destroy_context(struct mm_struct *mm)
static inline void
enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
tsk->thread_info->pcb.ptbr
task_thread_info(tsk)->pcb.ptbr
= ((unsigned long)mm->pgd - IDENT_ADDR) >> PAGE_SHIFT;
}

2
include/asm-alpha/processor.h
View file

@ -64,7 +64,7 @@ unsigned long get_wchan(struct task_struct *p);
(*(unsigned long *)(PT_REG(pc) + (unsigned long) ((tsk)->thread_info)))
#define KSTK_ESP(tsk) \
((tsk) == current ? rdusp() : (tsk)->thread_info->pcb.usp)
((tsk) == current ? rdusp() : task_thread_info(tsk)->pcb.usp)
#define cpu_relax() barrier()

8
include/asm-alpha/system.h
View file

@ -131,10 +131,10 @@ struct el_common_EV6_mcheck {
extern void halt(void) __attribute__((noreturn));
#define __halt() __asm__ __volatile__ ("call_pal %0 #halt" : : "i" (PAL_halt))
#define switch_to(P,N,L) \
do { \
(L) = alpha_switch_to(virt_to_phys(&(N)->thread_info->pcb), (P)); \
check_mmu_context(); \
#define switch_to(P,N,L) \
do { \
(L) = alpha_switch_to(virt_to_phys(&task_thread_info(N)->pcb), (P)); \
check_mmu_context(); \
} while (0)
struct task_struct;