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Merge branch 'for-linus' of git://linux-nfs.org/~bfields/linux
[powerpc.git]
/
Documentation
/
x86_64
/
uefi.txt
diff --git
a/Documentation/x86_64/uefi.txt
b/Documentation/x86_64/uefi.txt
index
91a98ed
..
7d77120
100644
(file)
--- 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
- 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,
- 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.
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