[patch 0/4] kexec-tools: efi runtime support on kexec kernel

This patchset is for adding efi runtime support on kexec kernel kernel patches see below thread: http://thread.gmane.org/gmane.linux.kernel.efi/2491 in kexec-tools, this patchset will do below: 1. retrieve efi_info from debugfs boot_params, and fill the x86 setup header 2. collect data efi runtime needed: /sys/firmware/efi/systab: fw_vendor, runtime, config_tables and smbios /sys/firmware/efi/efi-runtime-map/*, the phys-virt mappings in 1st kernel 3. assemble setup_data based on data get in 2) then pass it to 2nd kernel Tested on OVMF, dell laptop, lenovo laptop and HP workstation Please help to review -- Thanks Dave