linux-kernel - Re: [PATCH v5 02/22] cc_platform: Add new attribute to prevent ACPI CPU hotplug

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Message-ID: <d3ec341c4133714f2b8541830fc9fc815c32a59f.camel@intel.com>
Date:   Wed, 03 Aug 2022 21:21:33 +1200
From:   Kai Huang <kai.huang@...el.com>
To:     Binbin Wu <binbin.wu@...ux.intel.com>,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc:     linux-acpi@...r.kernel.org, seanjc@...gle.com, pbonzini@...hat.com,
        dave.hansen@...el.com, len.brown@...el.com, tony.luck@...el.com,
        rafael.j.wysocki@...el.com, reinette.chatre@...el.com,
        dan.j.williams@...el.com, peterz@...radead.org, ak@...ux.intel.com,
        kirill.shutemov@...ux.intel.com,
        sathyanarayanan.kuppuswamy@...ux.intel.com,
        isaku.yamahata@...el.com, thomas.lendacky@....com,
        Tianyu.Lan@...rosoft.com, rdunlap@...radead.org, Jason@...c4.com,
        juri.lelli@...hat.com, mark.rutland@....com, frederic@...nel.org,
        yuehaibing@...wei.com, dongli.zhang@...cle.com
Subject: Re: [PATCH v5 02/22] cc_platform: Add new attribute to prevent ACPI
 CPU hotplug

On Wed, 2022-08-03 at 11:55 +0800, Binbin Wu wrote:
> On 2022/6/22 19:15, Kai Huang wrote:
> >   
> > @@ -357,6 +358,17 @@ static int acpi_processor_add(struct acpi_device *device,
> >   	struct device *dev;
> >   	int result = 0;
> >   
> > +	/*
> > +	 * If the confidential computing platform doesn't support ACPI
> > +	 * memory hotplug, the BIOS should never deliver such event to
> memory or cpu hotplug?

Sorry typo.  Should be CPU.

Anyway this patch will be dropped in next version.

-- 
Thanks,
-Kai