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Message-ID: <aLWh-1ElIVNBYctw@shell.armlinux.org.uk>
Date: Mon, 1 Sep 2025 14:39:07 +0100
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: schuster.simon@...mens-energy.com
Cc: Dinh Nguyen <dinguyen@...nel.org>,
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Subject: Re: [PATCH v2 3/4] arch: copy_thread: pass clone_flags as u64

On Mon, Sep 01, 2025 at 03:09:52PM +0200, Simon Schuster via B4 Relay wrote:
> diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
> index e16ed102960c..d7aa95225c70 100644
> --- a/arch/arm/kernel/process.c
> +++ b/arch/arm/kernel/process.c
> @@ -234,7 +234,7 @@ asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
>  
>  int copy_thread(struct task_struct *p, const struct kernel_clone_args *args)
>  {
> -	unsigned long clone_flags = args->flags;
> +	u64 clone_flags = args->flags;
>  	unsigned long stack_start = args->stack;
>  	unsigned long tls = args->tls;
>  	struct thread_info *thread = task_thread_info(p);

We only have one user of clone_flags in this function, which is:

        if (clone_flags & CLONE_SETTLS)

I would much rather clone_flags was removed, and this changed to:

	if (args->flags & CLONE_SETTLS)

Thanks.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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