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arc: copy_thread(): rename 'arg' argument to 'kthread_arg'

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The 'arg' argument to copy_thread() is only ever used when forking a new
kernel thread. Hence, rename it to 'kthread_arg' for clarity.

Signed-off-by: Alex Dowad <alexinbeijing@gmail.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Alex Dowad 2015-03-13 20:04:18 +02:00 committed by Vineet Gupta
parent e42391cd04
commit 18e1d1b115
1 changed files with 6 additions and 3 deletions
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9
arch/arc/kernel/process.c
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@ -49,7 +49,10 @@ void arch_cpu_idle(void)
asmlinkage void ret_from_fork(void);
/* Layout of Child kernel mode stack as setup at the end of this function is
/*
* Copy architecture-specific thread state
*
* Layout of Child kernel mode stack as setup at the end of this function is
*
* | ... |
* | ... |
@ -81,7 +84,7 @@ asmlinkage void ret_from_fork(void);
* ------------------ <===== END of PAGE
*/
int copy_thread(unsigned long clone_flags,
unsigned long usp, unsigned long arg,
unsigned long usp, unsigned long kthread_arg,
struct task_struct *p)
{
struct pt_regs *c_regs; /* child's pt_regs */
@ -112,7 +115,7 @@ int copy_thread(unsigned long clone_flags,
if (unlikely(p->flags & PF_KTHREAD)) {
memset(c_regs, 0, sizeof(struct pt_regs));
c_callee->r13 = arg; /* argument to kernel thread */
c_callee->r13 = kthread_arg;
c_callee->r14 = usp; /* function */
return 0;