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Subject[PATCH v2 4/4] MODSIGN: Add option to not sign modules during modules_install
Date
To allow the builder to sign only a subset of modules, or to sign the
modules using a key that is not available on the build machine, add
CONFIG_MODULE_SIG_ALL. If this option is unset, no modules will be
signed during build. The default is 'y', to preserve the current
behavior.

Signed-off-by: Michal Marek <mmarek@suse.cz>
---
No changes in v2

---
Makefile | 2 +-
init/Kconfig | 11 +++++++++++
2 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/Makefile b/Makefile
index 0e7e736..e2027b2 100644
--- a/Makefile
+++ b/Makefile
@@ -719,7 +719,7 @@ endif # INSTALL_MOD_STRIP
export mod_strip_cmd


-ifeq ($(CONFIG_MODULE_SIG),y)
+ifdef CONFIG_MODULE_SIG_ALL
MODSECKEY = ./signing_key.priv
MODPUBKEY = ./signing_key.x509
export MODPUBKEY
diff --git a/init/Kconfig b/init/Kconfig
index ba7d1c1..d2db2e7 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1602,6 +1602,17 @@ config MODULE_SIG_FORCE
Reject unsigned modules or signed modules for which we don't have a
key. Without this, such modules will simply taint the kernel.

+config MODULE_SIG_ALL
+ bool "Automatically sign all modules"
+ default y
+ depends on MODULE_SIG
+ help
+ Sign all modules during make modules_install. Without this option,
+ modules must be signed manually, using the scripts/sign-file tool.
+
+comment "Do not forget to sign required modules with scripts/sign-file"
+ depends on MODULE_SIG_FORCE && !MODULE_SIG_ALL
+
choice
prompt "Which hash algorithm should modules be signed with?"
depends on MODULE_SIG
--
1.7.8.3


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