module: add core_param_unsafe

Similarly to module_param_unsafe(), add the helper to be used by core
code wishing to expose unsafe debugging or testing parameters that taint
the kernel when set.

Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dmitry Torokhov 2015-03-30 16:20:09 -07:00 committed by Greg Kroah-Hartman
parent 735c0f8f12
commit ec0ccc16a0

View File

@ -310,6 +310,15 @@ static inline void __kernel_param_unlock(void)
#define core_param(name, var, type, perm) \
param_check_##type(name, &(var)); \
__module_param_call("", name, &param_ops_##type, &var, perm, -1, 0)
/**
* core_param_unsafe - same as core_param but taints kernel
*/
#define core_param_unsafe(name, var, type, perm) \
param_check_##type(name, &(var)); \
__module_param_call("", name, &param_ops_##type, &var, perm, \
-1, KERNEL_PARAM_FL_UNSAFE)
#endif /* !MODULE */
/**