Re: [PATCH 26/35] x86/process: Change copy_thread() argument 'arg' to 'stack_size'

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On Sun, Jan 30 2022 at 13:18, Rick Edgecombe wrote:
> -int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg,
> -		struct task_struct *p, unsigned long tls)
> +int copy_thread(unsigned long clone_flags, unsigned long sp,
> +		unsigned long stack_size, struct task_struct *p,
> +		unsigned long tls)
>  {
>  	struct inactive_task_frame *frame;
>  	struct fork_frame *fork_frame;
> @@ -175,7 +176,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg,
>  	if (unlikely(p->flags & PF_KTHREAD)) {
>  		p->thread.pkru = pkru_get_init_value();
>  		memset(childregs, 0, sizeof(struct pt_regs));
> -		kthread_frame_init(frame, sp, arg);
> +		kthread_frame_init(frame, sp, stack_size);
>  		return 0;
>  	}
>  
> @@ -208,7 +209,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg,
>  		 */
>  		childregs->sp = 0;
>  		childregs->ip = 0;
> -		kthread_frame_init(frame, sp, arg);
> +		kthread_frame_init(frame, sp, stack_size);
>  		return 0;
>  	}

Can you please change the prototypes too for completeness sake?

Thanks,

        tglx



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