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authorBruce Dubbs <bdubbs@linuxfromscratch.org>2017-01-08 17:45:12 +0000
committerBruce Dubbs <bdubbs@linuxfromscratch.org>2017-01-08 17:45:12 +0000
commit8e65a6a3ae63588df226e06fac495de1e097bf64 (patch)
tree90650bce6aa842a065398b37fe7fbf98dcfa9b53 /chapter08/kernel.xml
parent6bc94ca2472ff5bdaa9b40415abc5667d4ee320e (diff)
Expand discussion of UEFI in kernel and grub sections
git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11165 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
Diffstat (limited to 'chapter08/kernel.xml')
-rw-r--r--chapter08/kernel.xml18
1 files changed, 18 insertions, 0 deletions
diff --git a/chapter08/kernel.xml b/chapter08/kernel.xml
index 5c9cf9026..838e2ad94 100644
--- a/chapter08/kernel.xml
+++ b/chapter08/kernel.xml
@@ -121,6 +121,24 @@ File systems ---&gt;
Index of Kernel Settings</ulink>
(&lfs-root;blfs/view/&short-version;/longindex.html#kernel-config-index).</para>
+ <note>
+ <para>If your host hardware is using UEFI, then the 'make defconfig'
+ above should automatically add in some EFI-related kernel options.</para>
+
+ <para>In order to allow your LFS kernel to be booted from within your
+ host's UEFI boot environment, your kernel must have this option
+ selected:</para>
+
+<screen role="nodump">Processor type and features ---&gt;
+ [*] EFI stub support [CONFIG_EFI_STUB]</screen>
+
+ <para>A fuller description of managing UEFI environments from within LFS
+ is covered by the lfs-uefi.txt hint at
+ <ulink
+ url="http://www.linuxfromscratch.org/hints/downloads/files/lfs-uefi.txt"/>.
+ </para>
+ </note>
+
<variablelist>
<title>The rationale for the above configuration items:</title>