tree 8963aaa9fccd0a4ee0d59717b4de8e8cdfebbe62
parent a0998eb15afeffbf52a2c2829318f67df9ac57b8
author Dave Young <dyoung@redhat.com> 1387533738 +0800
committer Matt Fleming <matt.fleming@intel.com> 1387639776 +0000

efi: Export EFI runtime memory mapping to sysfs

kexec kernel will need exactly same mapping for EFI runtime memory
ranges. Thus here export the runtime ranges mapping to sysfs,
kexec-tools will assemble them and pass to 2nd kernel via setup_data.

Introducing a new directory /sys/firmware/efi/runtime-map just like
/sys/firmware/memmap. Containing below attribute in each file of that
directory:

attribute  num_pages  phys_addr  type  virt_addr

Signed-off-by: Dave Young <dyoung@redhat.com>
Tested-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>