[PATCH] alpha: task_thread_info()

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>

3 files changed, 8 insertions, 8 deletions

diff --git a/include/asm-alpha/mmu_context.h b/include/asm-alpha/mmu_context.h
index a714d0cdc20..6f92482cc96 100644
--- a/include/asm-alpha/mmu_context.h
+++ b/include/asm-alpha/mmu_context.h
@@ -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;
 }
 
diff --git a/include/asm-alpha/processor.h b/include/asm-alpha/processor.h
index bb1a7a3abb8..12a14a5bbe1 100644
--- a/include/asm-alpha/processor.h
+++ b/include/asm-alpha/processor.h
@@ -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()
 
diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h
index 766ab868e8a..cc9c7e8cced 100644
--- a/include/asm-alpha/system.h
+++ b/include/asm-alpha/system.h
@@ -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;