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2015-05-27efi: Add 'systab' information to Documentation/ABIMatt Fleming1-0/+10
It's not clear right now that the order in which entries are displayed in /sys/firmware/efi/systab actually forms an ABI that userspace tools rely upon. Document the ABI along with the userspace tool that cares. Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Jean Delvare <jdelvare@suse.de> Cc: Leif Lindholm <leif.lindholm@linaro.org> Cc: Ivan Khoronzhuk <ivan.khoronzhuk@globallogic.com> Signed-off-by: Matt Fleming <matt.fleming@intel.com>
2013-12-21efi: Export more EFI table variables to sysfsDave Young1-0/+20
Export fw_vendor, runtime and config table physical addresses to /sys/firmware/efi/{fw_vendor,runtime,config_table} because kexec kernels need them. From EFI spec these 3 variables will be updated to virtual address after entering virtual mode. But kernel startup code will need the physical address. 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>