linux-kernel - Re: [External] Re: [PATCH v9 0/8] Parallel CPU bringup for x86

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Message-ID: <2668982.mvXUDI8C0e@natalenko.name>
Date:   Mon, 20 Feb 2023 23:41:21 +0100
From:   Oleksandr Natalenko <oleksandr@...alenko.name>
To:     David Woodhouse <dwmw2@...radead.org>,
        Usama Arif <usama.arif@...edance.com>
Cc:     tglx@...utronix.de, kim.phillips@....com, arjan@...ux.intel.com,
        mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        hpa@...or.com, x86@...nel.org, pbonzini@...hat.com,
        paulmck@...nel.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, rcu@...r.kernel.org, mimoja@...oja.de,
        hewenliang4@...wei.com, thomas.lendacky@....com, seanjc@...gle.com,
        pmenzel@...gen.mpg.de, fam.zheng@...edance.com,
        punit.agrawal@...edance.com, simon.evans@...edance.com,
        liangma@...ngbit.com, Piotr Gorski <piotrgorski@...hyos.org>
Subject: Re: [External] Re: [PATCH v9 0/8] Parallel CPU bringup for x86_64

Hello.

On pondělí 20. února 2023 23:23:43 CET Usama Arif wrote:
> So for initial boot, do all CPUs comes up for you when parallel smp boot 
> is enabled or only 1?

All the CPUs come up during the initial boot.

> I don't have access to Ryzen hardware so can only say from code, but it 
> would be weird if initial boot is fine but resume is broken if the same 
> code path is being taken.

-- 
Oleksandr Natalenko (post-factum)