[edk2-devel] [PATCH v9 30/32] OvmfPkg/PlatformPei: mark cpuid and secrets memory reserved in EFI map

[Gerd Hoffmann]

  Hi,

> >> [ ... ]
> >> [    0.000000] BIOS-e820: [mem 0x0000000000800000-0x0000000000807fff] ACPI NVS
> >> [    0.000000] BIOS-e820: [mem 0x0000000000808000-0x000000000080afff] usable
> >> [    0.000000] BIOS-e820: [mem 0x000000000080b000-0x000000000080bfff] ACPI NVS
> >> [    0.000000] BIOS-e820: [mem 0x000000000080c000-0x000000000080ffff] usable
> >> [    0.000000] BIOS-e820: [mem 0x0000000000810000-0x00000000008fffff] ACPI NVS
> >> [ ... ]
> > Hmm.  Confused.  memfd size is 0xD00000, so should the block from 800000
> > to 8cffff be reserved?  Why does it end at 8fffff instead?
> 
> There is no strong reason for block all of the MEMFD. What I see in the
> current code is some selective pages gets marked reserved or other
> memory type. As system boots some pages may get released as a system RAM.

Ok, lets follow the existing practice then.

Acked-by: Gerd Hoffmann <kraxel at redhat.com>

take care,
  Gerd



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