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 <alexinbeij...@gmail.com>
---
arch/openrisc/kernel/process.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c
index 386af25..59098c4 100644
--- a/arch/openrisc/kernel/process.c
+++ b/arch/openrisc/kernel/process.c
@@ -114,7 +114,7 @@ extern asmlinkage void ret_from_fork(void);
* copy_thread
* @clone_flags: flags
* @usp: user stack pointer or fn for kernel thread
- * @arg: arg to fn for kernel thread; always NULL for userspace thread
+ * @kthread_arg: arg to fn for kernel thread; always NULL for userspace thread
* @p: the newly created task
* @regs: CPU context to copy for userspace thread; always NULL for kthread
*
@@ -140,10 +140,9 @@ extern asmlinkage void ret_from_fork(void);
* below); ret_from_fork will then continue its execution causing the
* 'kernel thread' to return to userspace as a userspace thread.
*/
-
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 pt_regs *userregs;
struct pt_regs *kregs;
@@ -165,10 +164,12 @@ copy_thread(unsigned long clone_flags, unsigned long usp,
kregs = (struct pt_regs *)sp;
if (unlikely(p->flags & PF_KTHREAD)) {
+ /* kernel thread */
memset(kregs, 0, sizeof(struct pt_regs));
kregs->gpr[20] = usp; /* fn, kernel thread */
- kregs->gpr[22] = arg;
+ kregs->gpr[22] = kthread_arg;
} else {
+ /* user thread */
*userregs = *current_pt_regs();
if (usp)
--
2.0.0.GIT
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
