[PATCH 08/32] c6x: copy_thread(): rename 'ustk_size' argument to 'kthread_arg'

Alex Dowad
2015-03-13T18:07:57Z

'ustk_size' is a misnomer: it is never used for the size of the user stack. It is
only used when forking a new kernel thread, as the argument passed to the kthread's
main function.

Signed-off-by: Alex Dowad <alexinbeijing@gmail.com>
---
arch/c6x/kernel/process.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/c6x/kernel/process.c b/arch/c6x/kernel/process.c
index 57d2ea8..b519377 100644
--- a/arch/c6x/kernel/process.c
+++ b/arch/c6x/kernel/process.c
@@ -109,10 +109,10 @@ void start_thread(struct pt_regs *regs, unsigned int pc, unsigned long usp)
}

/*
- * Copy a new thread context in its stack.
+ * Copy architecture-specific thread state
*/
int copy_thread(unsigned long clone_flags, unsigned long usp,
- unsigned long ustk_size,
+ unsigned long kthread_arg,
struct task_struct *p)
{
struct pt_regs *childregs;
@@ -125,9 +125,9 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
childregs->sp = (unsigned long)(childregs + 1);
p->thread.pc = (unsigned long) ret_from_kernel_thread;
childregs->a0 = usp; /* function */
- childregs->a1 = ustk_size; /* argument */
+ childregs->a1 = kthread_arg;
} else {
- /* Otherwise use the given stack */
+ /* user thread: use the given stack */
*childregs = *current_pt_regs();
if (usp)
childregs->sp = usp;
--
2.0.0.GIT