edk2-devel@lists.01.org
>> Cc: Ni, Ruiyu <ruiyu...@intel.com>; Yao, Jiewen <jiewen....@intel.com>; Dong,
>> Eric <eric.d...@intel.com>
>> Subject: Re: [edk2] [PATCH 1/6] UefiCpuPkg/MpInitLib: split wake up buffer
>> into
>> two pa
9, 2018 5:44 AM
> To: Wang, Jian J <jian.j.w...@intel.com>; edk2-devel@lists.01.org
> Cc: Ni, Ruiyu <ruiyu...@intel.com>; Yao, Jiewen <jiewen@intel.com>; Dong,
> Eric <eric.d...@intel.com>
> Subject: Re: [edk2] [PATCH 1/6] UefiCpuPkg/MpInitLib: split wake up b
On 01/27/18 17:17, Laszlo Ersek wrote:
> Hello Jian,
>
> On 01/15/18 09:54, Jian J Wang wrote:
>> If PcdDxeNxMemoryProtectionPolicy is set to enable protection for memory
>> of EfiBootServicesCode, EfiConventionalMemory, the BIOS will hang at a page
>> fault exception during MP initialization.
>>
Hello Jian,
On 01/15/18 09:54, Jian J Wang wrote:
> If PcdDxeNxMemoryProtectionPolicy is set to enable protection for memory
> of EfiBootServicesCode, EfiConventionalMemory, the BIOS will hang at a page
> fault exception during MP initialization.
>
> The root cause is that the AP wake up buffer,
Reviewed-by: Eric Dong
-Original Message-
From: Wang, Jian J
Sent: Monday, January 15, 2018 4:54 PM
To: edk2-devel@lists.01.org
Cc: Yao, Jiewen ; Ni, Ruiyu ; Dong,
Eric ; Laszlo Ersek
If PcdDxeNxMemoryProtectionPolicy is set to enable protection for memory
of EfiBootServicesCode, EfiConventionalMemory, the BIOS will hang at a page
fault exception during MP initialization.
The root cause is that the AP wake up buffer, which is below 1MB and used
to hold both AP init code and
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