Commit c208358c authored May 27, 2015 by Matt Fleming

efi: Add 'systab' information to Documentation/ABI



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>

parent b119fe08

Documentation/ABI/testing/sysfs-firmware-efi

+10 −0

Original line number	Diff line number	Diff line
		@@ -18,3 +18,13 @@ Contact: Dave Young <dyoung@redhat.com>
		Description: It shows the physical address of config table entry in the EFI
		system table.
		Users: Kexec

		What: /sys/firmware/efi/systab
		Date: April 2005
		Contact: linux-efi@vger.kernel.org
		Description: Displays the physical addresses of all EFI Configuration
		Tables found via the EFI System Table. The order in
		which the tables are printed forms an ABI and newer
		versions are always printed first, i.e. ACPI20 comes
		before ACPI.
		Users: dmidecode