Re: [PATCH v2] x86/boot: Use EFI setup data if provided

Borislav Petkov
2019-03-26T13:57:15Z

On Mon, Mar 25, 2019 at 11:10:01PM +0000, Junichi Nomura wrote:
> efi_get_rsdp_addr() and kexec_get_rsdp_addr() could be implemented
> like this (sorry about the pseudo code):

This doesn't look like what I suggested:

> So efi_get_rsdp_addr() needs to be refactored in such a way so that at
> least the loop towards the end gets carved out into a separate function
> - __efi_get_rsdp_addr() or so - which gets config_tables, nr_tables and
> size as arguments and finds the RSDP address in the kexec-ed kernel.

You need to carve out the loop at the end and make it into a separate
__efi_get_rsdp_addr() function which gets the physical or the virtual
address.

--
Regards/Gruss,
Boris.

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