Re: [PATCH v2] fix setup_efi_pci()

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On Fri, 2013-01-25 at 08:45 +0000, Matt Fleming wrote:
> 
> Matthew, what guarantees do we have that the memory we've allocated for
> the PCI ROMs isn't going to be reused? I suspect what's needed is for
> parse_setup_data() to reserve the SETUP_PCI regions, just like you would
> for any other key data structure.
> 
> It's the kernel's responsibility to protect any EFI_LOADER_DATA regions
> that it needs, we shouldn't have to trick ourselves by using the
> EFI_RUNTIME_SERVICES_DATA pool for allocations.

When pondering this, please remember that it has to be coherently passed
off to the next kernel during kexec, too.

-- 
dwmw2

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