csky: coding convention: Use task_stack_page

Use task_stack_page instead of p->stack to get stack. Follow the coding
convention style. Also for init_stack, the same with other archs.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>

diff --git a/arch/csky/include/asm/processor.h b/arch/csky/include/asm/processor.h
index 8f45481..21e0bd5 100644 (file)
--- a/arch/csky/include/asm/processor.h
+++ b/arch/csky/include/asm/processor.h
@@ -49,7 +49,7 @@ struct thread_struct {
 };
 
 #define INIT_THREAD  { \
-       .ksp = (unsigned long) init_thread_union.stack + THREAD_SIZE, \
+       .ksp = sizeof(init_stack) + (unsigned long) &init_stack, \
        .sr = DEFAULT_PSR_VALUE, \
 }
 
@@ -95,7 +95,7 @@ unsigned long get_wchan(struct task_struct *p);
 #define KSTK_ESP(tsk)          (task_pt_regs(tsk)->usp)
 
 #define task_pt_regs(p) \
-       ((struct pt_regs *)(THREAD_SIZE + p->stack) - 1)
+       ((struct pt_regs *)(THREAD_SIZE + task_stack_page(p)) - 1)
 
 #define cpu_relax() barrier()
 

diff --git a/arch/csky/kernel/smp.c b/arch/csky/kernel/smp.c
index ddc4dd7..b07a534 100644 (file)
--- a/arch/csky/kernel/smp.c
+++ b/arch/csky/kernel/smp.c
@@ -160,7 +160,8 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle)
 {
        unsigned long mask = 1 << cpu;
 
-       secondary_stack = (unsigned int)tidle->stack + THREAD_SIZE - 8;
+       secondary_stack =
+               (unsigned int) task_stack_page(tidle) + THREAD_SIZE - 8;
        secondary_hint = mfcr("cr31");
        secondary_ccr  = mfcr("cr18");