drm/panel: add support for Sharp F402 2048x1536 panel

[firefly-linux-kernel-4.4.55.git] / Documentation / module-signing.txt

diff --git a/Documentation/module-signing.txt b/Documentation/module-signing.txt
index a78bf1ffa68cb4c4defe32146fc75f8449a46245..39b7f612c4184e4b8b5889fa7b6410f80e692589 100644 (file)
--- a/Documentation/module-signing.txt
+++ b/Documentation/module-signing.txt
@@ -271,3 +271,9 @@ Since the private key is used to sign modules, viruses and malware could use
 the private key to sign modules and compromise the operating system.  The
 private key must be either destroyed or moved to a secure location and not kept
 in the root node of the kernel source tree.
+
+If you use the same private key to sign modules for multiple kernel
+configurations, you must ensure that the module version information is
+sufficient to prevent loading a module into a different kernel.  Either
+set CONFIG_MODVERSIONS=y or ensure that each configuration has a different
+kernel release string by changing EXTRAVERSION or CONFIG_LOCALVERSION.