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From: "Ni, Ray" <ray.ni@intel.com>
To: Laszlo Ersek <lersek@redhat.com>,
	"Dong, Eric" <eric.dong@intel.com>,
	"devel@edk2.groups.io" <devel@edk2.groups.io>
Cc: Igor Mammedov <imammedo@redhat.com>
Subject: Re: [edk2-devel] [PATCH 1/4] UefiCpuPkg/MpInitLib: honor the platform's boot CPU count in AP detection
Date: Thu, 10 Oct 2019 07:50:26 +0000	[thread overview]
Message-ID: <734D49CCEBEEF84792F5B80ED585239D5C31A452@SHSMSX104.ccr.corp.intel.com> (raw)
In-Reply-To: <571f8d70-c046-516d-3536-a7d9314fb5ac@redhat.com>

Laszlo,

> -----Original Message-----
> From: Laszlo Ersek <lersek@redhat.com>
> Sent: Thursday, October 10, 2019 3:39 PM
> To: Ni, Ray <ray.ni@intel.com>; Dong, Eric <eric.dong@intel.com>;
> devel@edk2.groups.io
> Cc: Igor Mammedov <imammedo@redhat.com>
> Subject: Re: [edk2-devel] [PATCH 1/4] UefiCpuPkg/MpInitLib: honor the
> platform's boot CPU count in AP detection
> 
> On 10/10/19 04:52, Ni, Ray wrote:
> > Laszlo,
> > Can you add comments in the code you changed to describe the two
> different behaviors?
> 
> It's described in the DEC file, near the PCD:
> 
> +  #  nonzero        - PcdCpuApInitTimeOutInMicroSeconds is ignored. The
> initial
> +  #                   AP detection finishes when the detected CPU count (BSP
> +  #                   plus APs) reaches the value of this PCD.<BR>
> 
> (1) Do you want me to repeat this explanation in the code as well?
Yes, please😊

> 
> (2) Do you want me to emphasize in the explanation that, if at least one
> processor fails to check in, the boot is going to block forever, by design?

Yes, please😊.

> 
> (3) Emphasize this in the DEC file only, in the code only, or in both?

Code and DEC please.

> 
> Thanks
> Laszlo

  reply	other threads:[~2019-10-10  7:50 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-08 11:27 [PATCH 0/4] UefiCpuPkg, OvmfPkg: separate PCDs for boot CPU count vs. max CPU count Laszlo Ersek
2019-10-08 11:27 ` [PATCH 1/4] UefiCpuPkg/MpInitLib: honor the platform's boot CPU count in AP detection Laszlo Ersek
2019-10-09  0:57   ` [edk2-devel] " Dong, Eric
2019-10-09 14:55     ` Laszlo Ersek
2019-10-10  2:52       ` Ni, Ray
2019-10-10  7:38         ` Laszlo Ersek
2019-10-10  7:50           ` Ni, Ray [this message]
2019-10-10  8:28           ` Laszlo Ersek
2019-10-08 11:27 ` [PATCH 2/4] OvmfPkg/OvmfXen.dsc: remove PcdCpu* dynamic defaults Laszlo Ersek
2019-10-08 13:11   ` [edk2-devel] " Philippe Mathieu-Daudé
2019-10-08 20:27     ` Laszlo Ersek
2019-10-08 11:27 ` [PATCH 3/4] OvmfPkg/IndustryStandard: define FW_CFG_X86_TOPOLOGY structure type Laszlo Ersek
2019-10-08 11:27 ` [PATCH 4/4] OvmfPkg/PlatformPei: rewrite MaxCpuCountInitialization() for CPU hotplug Laszlo Ersek
2019-10-08 15:06   ` Igor Mammedov
2019-10-08 21:12     ` Laszlo Ersek
2019-10-09 10:23       ` Igor Mammedov
2019-10-09 14:43         ` Laszlo Ersek
2019-10-08 11:35 ` [PATCH 0/4] UefiCpuPkg, OvmfPkg: separate PCDs for boot CPU count vs. max CPU count Ard Biesheuvel
2019-10-08 20:27   ` Laszlo Ersek

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