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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>
hifive-unleashed-5.1
Guo Ren 2019-01-24 22:43:58 +08:00
parent 9216cd7231
commit 0f231dcfc6
2 changed files with 4 additions and 3 deletions
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4
arch/csky/include/asm/processor.h
View File

@ -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()

3
arch/csky/kernel/smp.c
View File

@ -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");