X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Fx86_64%2Fuefi.txt;h=7d77120a51841aea77164a6aab2f682f10ca1a2d;hb=323ec001c6bb98eeabb5abbdbb8c8055d9496554;hp=91a98edfb58824a7461ccd03d6decccfa5b27e8c;hpb=1265edb8fd2869d17128f1d60683dd6f4191d550;p=pandora-kernel.git

diff --git a/Documentation/x86_64/uefi.txt b/Documentation/x86_64/uefi.txt
index 91a98edfb588..7d77120a5184 100644
--- a/Documentation/x86_64/uefi.txt
+++ b/Documentation/x86_64/uefi.txt
@@ -19,6 +19,10 @@ Mechanics:
 - Build the kernel with the following configuration.
 	CONFIG_FB_EFI=y
 	CONFIG_FRAMEBUFFER_CONSOLE=y
+  If EFI runtime services are expected, the following configuration should
+  be selected.
+	CONFIG_EFI=y
+	CONFIG_EFI_VARS=y or m		# optional
 - Create a VFAT partition on the disk
 - Copy the following to the VFAT partition:
 	elilo bootloader with x86_64 support, elilo configuration file,
@@ -27,3 +31,8 @@ Mechanics:
 	can be found in the elilo sourceforge project.
 - Boot to EFI shell and invoke elilo choosing the kernel image built
   in first step.
+- If some or all EFI runtime services don't work, you can try following
+  kernel command line parameters to turn off some or all EFI runtime
+  services.
+	noefi		turn off all EFI runtime services
+	reboot_type=k	turn off EFI reboot runtime service