Hi Gerd,
Thanks for your comments. I agree with your opinion. Will change the code and
related comments in V2 patch.
Thanks,
Dun
-Original Message-
From: Gerd Hoffmann
Sent: Wednesday, January 10, 2024 6:55 PM
To: Tan, Dun
Cc: devel@edk2.groups.io; Ni, Ray ; Laszlo Ersek
; Kumar,
On 1/10/24 11:54, Gerd Hoffmann wrote:
> On Wed, Jan 10, 2024 at 04:05:44PM +0800, Dun Tan wrote:
>> When creating smm page table, limit maximum
>> supported physical address bits returned by
>> CalculateMaximumSupportAddress() to 48 if
>> 5-Level Paging is disabled.
>> When 5-Level Paging is
On Wed, Jan 10, 2024 at 04:05:44PM +0800, Dun Tan wrote:
> When creating smm page table, limit maximum
> supported physical address bits returned by
> CalculateMaximumSupportAddress() to 48 if
> 5-Level Paging is disabled.
> When 5-Level Paging is disabled and the
> PhysicalAddressBits retrived
Reviewed-by: Ray Ni
Thanks,
Ray
> -Original Message-
> From: Tan, Dun
> Sent: Wednesday, January 10, 2024 4:06 PM
> To: devel@edk2.groups.io
> Cc: Ni, Ray ; Laszlo Ersek ; Kumar,
> Rahul R ; Gerd Hoffmann
> Subject: [PATCH] UefiCpuPkg:Limit PhysicalAddressBits in speicial case
>
>
When creating smm page table, limit maximum
supported physical address bits returned by
CalculateMaximumSupportAddress() to 48 if
5-Level Paging is disabled.
When 5-Level Paging is disabled and the
PhysicalAddressBits retrived from CPU HOB or
CpuId is bigger than 48, only [0, 2^48 -1]
range in
