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-rw-r--r--Documentation/module-signing.txt3
-rw-r--r--init/Kconfig4
2 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/module-signing.txt b/Documentation/module-signing.txt
index 4e62bc29666e..02a9baf1c72f 100644
--- a/Documentation/module-signing.txt
+++ b/Documentation/module-signing.txt
@@ -111,6 +111,9 @@ This has a number of options available:
additional certificates which will be included in the system keyring by
default.
+Note that enabling module signing adds a dependency on the OpenSSL devel
+packages to the kernel build processes for the tool that does the signing.
+
=======================
GENERATING SIGNING KEYS
diff --git a/init/Kconfig b/init/Kconfig
index 62b725653c36..5d1a703663ad 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1897,6 +1897,10 @@ config MODULE_SIG
is simply appended to the module. For more information see
Documentation/module-signing.txt.
+ Note that this option adds the OpenSSL development packages as a
+ kernel build dependency so that the signing tool can use its crypto
+ library.
+
!!!WARNING!!! If you enable this option, you MUST make sure that the
module DOES NOT get stripped after being signed. This includes the
debuginfo strip done by some packagers (such as rpmbuild) and