Re: [PATCH 1/2] arm: traps: move declaration for irq_stack_ptr to irq.h

[Linus Walleij]

Hi Maninder,

thanks for your patch!

On Mon, Apr 27, 2026 at 7:52 AM Maninder Singh <maninder1.s@xxxxxxxxxxx> wrote:

> Moving declaration for irq_stack_ptr to irq.h,
> because next patch will use it for IRQ STACK checking.

OK

> Also irq_stack_ptr is defined as READ_MOSTLY, so declaration
> should also be the same.

But is that even right in the first place?

AFAIU a stack pointer is usually read exactly as much as it
is written.

Yours,
Linus Walleij