On 16/03/15 14:38, Alex Dowad wrote:
> 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@xxxxxxxxx>
> ---
>
> Fixed problem with whitespace, sending again. AD
>
> arch/metag/kernel/process.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/arch/metag/kernel/process.c b/arch/metag/kernel/process.c
> index 483dff9..dcb4609 100644
> --- a/arch/metag/kernel/process.c
> +++ b/arch/metag/kernel/process.c
> @@ -174,8 +174,11 @@ void show_regs(struct pt_regs *regs)
> show_trace(NULL, (unsigned long *)regs->ctx.AX[0].U0, regs);
> }
>
> +/*
> + * Copy architecture-specific thread state
> + */
> int copy_thread(unsigned long clone_flags, unsigned long usp,
> - unsigned long arg, struct task_struct *tsk)
> + unsigned long kthread_arg, struct task_struct *tsk)
> {
> struct pt_regs *childregs = task_pt_regs(tsk);
> void *kernel_context = ((void *) childregs +
> @@ -204,10 +207,11 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
> childregs->ctx.AX[0].U0 = (unsigned long) kernel_context;
> - /* Set D1Ar1=arg and D1RtP=usp (fn) */
> + /* Set D1Ar1=kthread_arg and D1RtP=usp (fn) */
FYI this still has a space before the tab, and isn't indented to the
same level as the surrounding code, but I'll just fix that up when I
apply it.
Thanks
James
> childregs->ctx.DX[4].U1 = usp;
> - childregs->ctx.DX[3].U1 = arg;
> + childregs->ctx.DX[3].U1 = kthread_arg;
> tsk->thread.int_depth = 2;
> return 0;
> }
> +
> /*
> * Get a pointer to where the new child's register block should have
> * been pushed.
>
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