[PATCH 12/32] hexagon: copy_thread(): rename 'arg' argument to 'kthread_arg'

From: Alex Dowad
Date: Fri Mar 13 2015 - 14:15:25 EST


The 'arg' argument to copy_thread() is only ever used when forking a new
kernel thread. Hence, rename it to 'kthread_arg' for clarity (and consistency
with do_fork() and other arch-specific implementations of copy_thread()).

Signed-off-by: Alex Dowad <alexinbeijing@xxxxxxxxx>
---
arch/hexagon/kernel/process.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/hexagon/kernel/process.c b/arch/hexagon/kernel/process.c
index 0a0dd5c..6f27358 100644
--- a/arch/hexagon/kernel/process.c
+++ b/arch/hexagon/kernel/process.c
@@ -71,7 +71,7 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
* Copy architecture-specific thread state
*/
int copy_thread(unsigned long clone_flags, unsigned long usp,
- unsigned long arg, struct task_struct *p)
+ unsigned long kthread_arg, struct task_struct *p)
{
struct thread_info *ti = task_thread_info(p);
struct hexagon_switch_stack *ss;
@@ -94,10 +94,11 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
ss->lr = (unsigned long)ret_from_fork;
p->thread.switch_sp = ss;
if (unlikely(p->flags & PF_KTHREAD)) {
+ /* kernel thread */
memset(childregs, 0, sizeof(struct pt_regs));
/* r24 <- fn, r25 <- arg */
ss->r24 = usp;
- ss->r25 = arg;
+ ss->r25 = kthread_arg;
pt_set_kmode(childregs);
return 0;
}
--
2.0.0.GIT

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