Re: [PATCH -v2] EFI: Runtime services virtual mapping

Vivek Goyal
2013-09-30T20:47:11Z

On Mon, Sep 30, 2013 at 10:41:54PM +0200, Borislav Petkov wrote:

[..]
> hpa, so, for the struct efi_mapping thing to work, I will have to grep
> dmesg of the first kernel to get an output like the one below, filter
> the runtime regions so that I can build the struct efi_mapping array of
> mem regions which I pass on to the second, kexec kernel with setup_data.

Any data you need to pass to second kernel will have to be exported to
user space either using /sys or /proc so that kexec-tools can parse it.

Thanks
Vivek