Messages in this thread Patch in this message | | | Date | Sat, 28 Jan 2012 11:34:50 +0800 | From | Dave Young <> | Subject | [PATCH] add kernel parameter to disable module load |
| |
Sometimes we need to test a kernel of same version with code or config option changes.
We already have sysctl to disable module load, but add a kernel parameter will be more convenient. --- Documentation/kernel-parameters.txt | 2 ++ kernel/module.c | 7 +++++++ 2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index e229769..b5cd482 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1796,6 +1796,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted. nomfgpt [X86-32] Disable Multi-Function General Purpose Timer usage (for AMD Geode machines). + nomodule Disable module load + nopat [X86] Disable PAT (page attribute table extension of pagetables) support. diff --git a/kernel/module.c b/kernel/module.c index 178333c..72395f5 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -3478,6 +3478,13 @@ void print_modules(void) printk("\n"); } +static int __init module_load_disable(char *str) +{ + modules_disabled = 1; + return 1; +} +__setup("nomodule", module_load_disable); + #ifdef CONFIG_MODVERSIONS /* Generate the signature for all relevant module structures here. * If these change, we don't want to try to parse the module. */ -- 1.7.4.4
| |