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SubjectRe: [PATCH v9 0/8] Parallel CPU bringup for x86_64


On 21 February 2023 07:27:13 GMT, Oleksandr Natalenko <oleksandr@natalenko.name> wrote:
>On 21.02.2023 00:30, David Woodhouse wrote:
>> Oleksandr, please could you show the output of 'cpuid' after a
>> successful resume? I'm particularly looking for this part...
>>
>>
>> $ sudo cpuid | grep -A1 1/ebx
>> miscellaneous (1/ebx):
>> process local APIC physical ID = 0x0 (0)
>> --
>> miscellaneous (1/ebx):
>> process local APIC physical ID = 0x2 (2)
>> ...
>
>For me this command doesn't produce any output. Also, no output from the command Kim used in response to you. With no `grep` it just dumps a table of raw hex data.

I'll take the hex please.

>It's `msr-tools` 1.3-4 from Arch. Should I run this command on a patched kernel booted with `no_parallel_bringup`, or on unpatched kernel (if that makes any difference)?

Either works as long as it's after a resume that wouldn't have worked. Thanks.

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