Re: [PATCH v3 3/3] x86: Zap TOP_OF_KERNEL_STACK_PADDING on x86_64

[Xin Li]

On 3/19/2025 12:17 PM, Brian Gerst wrote:
> I'm not sure it's worth fully removing TOP_OF_KERNEL_STACK_PADDING for
> 64-bit if it results in needing separate definitions of
> task_top_of_stack().  Leaving it at zero is fine.  The other changes
> are fine though.

Let's leave it to x86 maintainers ;-)

But to me, TOP_OF_KERNEL_STACK_PADDING no longer makes sense on 64-bit,
and it makes it simpler to remove it.  On the other side, 32-bit is to
be zapped...

Thanks!
    Xin