Messages in this thread | | | Date | Tue, 10 Mar 2015 10:56:42 +0200 | From | Boaz Harrosh <> | Subject | Re: [PATCH 3/3] e820: Add the unknown-12 Memory type (DDR3-NvDIMM) |
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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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