Re: [PATCH 3/3] e820: Add the unknown-12 Memory type (DDR3-NvDIMM)

[Boaz Harrosh]

On 03/10/2015 07:11 AM, joeyli wrote:
<>
> 
> Per my understand...
> 
> With EFI Boot Stub, there have setup_e820() codes in arch/x86/boot/compressed/eboot.c
> that used to transfer EFI memmap to e820 entries. Currently doesn't have any
> EFI_MEMORY_TYPE reflects to NvDIMM that will map to e820_type. 
> 
> I wonder what kind of EFI_MEMORY_TYPE reported by UEFI BIOS on those "shipped
> NvDIMMs motherboards", like supermicro X9DRH-iF-NV. Then we may need add code
> to setup_e820() for mapping the efi memory type to e820 type 12 region.
> 

Thanks Joey. This is tremendous help. (Just saved me days of research)

Our DDR4 NvDIMM chips arrive this week I will try and debug all this, also
booting EFI.

If you have any chance to experiments in your lab, and compare notes it
would be great.

<>
> 
> Thanks a lot!
> Joey Lee
> 

Thanks
Boaz

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