Re: [PATCH 15/16] bootparam: Pass acpi_rsdp pointer in bootparam

Matthew Garrett
2013-09-12T14:35:38Z

On Thu, 2013-09-12 at 14:53 +0200, Borislav Petkov wrote:

> Why userspace part - I'm thinking the kexec'ed kernel would simply add
> the mappings made by SetVirtualAddressMap without calling it. And it
> will know which mappings go to which virtual addresses because we start
> at the -4G virtual address and go downwards and the mappings will have
> the same addresses per UEFI implementation.

The second kernel still needs to be passed a pointer to the EFI tables
and memory map.

--
Matthew Garrett <matthew.garrett@nebula.com>