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SubjectRe: [PATCH 3/6] x86/smpboot: Remove initial_stack on 64-bit
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On Thu, 2023-02-23 at 08:05 +0000, David Woodhouse wrote:
>
>
> Aren't all CPUs taking this .Linit_cpu0_data path for non-parallel
> startup, not just cpu0? I think you want something more like
>
> .Linit_cpuN_data:
> orl $0x0fffffff, %edx
> leaq __per_cpu_offset(%rip), %rbx
> movq (%rbx,%rdx,8), %rdx
> jmp .Lsetup_cpu
>  

Er, nope. Forget that. More coffee...
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