Re: [PATCH] powerpc/64: Set LR to a non-NULL value in task pt_regs on scv entry

[Segher Boessenkool]

Hi!

On Thu, Jan 25, 2024 at 05:12:28PM +0530, Naveen N Rao wrote:
> diff --git a/arch/powerpc/kernel/interrupt_64.S 
> b/arch/powerpc/kernel/interrupt_64.S
> index bd863702d812..5cf3758a19d3 100644
> --- a/arch/powerpc/kernel/interrupt_64.S
> +++ b/arch/powerpc/kernel/interrupt_64.S
> @@ -53,6 +53,7 @@ _ASM_NOKPROBE_SYMBOL(system_call_vectored_\name)
>       ld      r1,PACAKSAVE(r13)
>       std     r10,0(r1)
>       std     r11,_NIP(r1)
> +     std     r11,_LINK(r1)

Please add a comment here then, saying what the store is for?


Segher