Re: [PATCH] s390: trim ancient junk from copy_thread()

[Heiko Carstens <hca@xxxxxxxxxxxxx>]

On Mon, Mar 06, 2023 at 12:55:33AM +0000, Al Viro wrote:
> Setting and ->psw.addr in childregs of kernel thread is a rudiment of
> the old kernel_thread()/kernel_execve() implementation.  Mainline hadn't
> been using them since 2012.
> 
> And clarify the assigments to frame->sf.gprs - the array stores grp6..gpr15
> values to be set by __switch_to(), so frame->sf.gprs[5] actually affects
> grp11, etc.  Better spell that as frame->sf.gprs[11 - 6]...
>     
> Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> ---
> diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
> index 67df64ef4839..87ca3a727604 100644
> --- a/arch/s390/kernel/process.c
> +++ b/arch/s390/kernel/process.c

Applied, thanks!