The __MODULE_INFO macros always use __MODULE_INFO_PREFIX. The only way
to use a different prefix is to override __MODULE_INFO_PREFIX, which is
not very useful.
The new macro will be used in file2alias.c to generate modalias for
builtin modules.
Signed-off-by: Alexey Gladkov <leg...@kernel.org>
Reviewed-by: Petr Pavlu <petr.pa...@suse.com>
---
include/linux/module.h | 3 +++
include/linux/moduleparam.h | 7 +++++--
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/include/linux/module.h b/include/linux/module.h
index 8050f77c3b64..88048561360f 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -170,6 +170,9 @@ struct module_kobject
*lookup_or_create_module_kobject(const char *name);
/* For userspace: you can also call me... */
#define MODULE_ALIAS(_alias) MODULE_INFO(alias, _alias)
+#define MODULE_ALIAS_MODNAME(_modname, _alias) \
+ __MODULE_INFO_WITH_PREFIX(_modname ".", alias, alias, _alias)
+
/* Soft module dependencies. See man modprobe.d for details.
* Example: MODULE_SOFTDEP("pre: module-foo module-bar post: module-baz")
*/
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index bfb85fd13e1f..3f819fc67c43 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -20,10 +20,13 @@
/* Chosen so that structs with an unsigned long line up. */
#define MAX_PARAM_PREFIX_LEN (64 - sizeof(unsigned long))
-#define __MODULE_INFO(tag, name, info) \
+#define __MODULE_INFO_WITH_PREFIX(prefix, tag, name, info) \
static const char __UNIQUE_ID(name)[] \
__used __section(".modinfo") __aligned(1) \
- = __MODULE_INFO_PREFIX __stringify(tag) "=" info
+ = prefix __stringify(tag) "=" info
+
+#define __MODULE_INFO(tag, name, info) \
+ __MODULE_INFO_WITH_PREFIX(__MODULE_INFO_PREFIX, tag, name, info)
#define __MODULE_PARM_TYPE(name, _type)
\
__MODULE_INFO(parmtype, name##type, #name ":" _type)
--
2.49.0
