On Mon, 13 Jan 2025, Magnus Lindholm wrote:

> >  Can you please retrieve the value of SP in `smp_call_function_single'?
> > Just something such as:
> >
> >         printk("SP: %016lx\n", __builtin_frame_address(0));
> 
> I will check!

 Always welcome, but please also see my other follow-up.

> Also wondering if this may be relevant?
> 
>  https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16660

 The fix may have uncovered the stack pointer alignment breakage with the 
Alpha/Linux port.

  Maciej

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