提交 0dc3fd02 编写于 作者: L Linus Torvalds

Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull module updates from Rusty Russell.

* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  module: Add missing newline in printk call.
  module: fix coding style
  export: declare ksymtab symbols
  module.h: Remove unnecessary semicolon
  params: improve standard definitions
  Add Documentation/module-signing.txt file
......@@ -59,6 +59,7 @@ extern struct module __this_module;
static const char __kstrtab_##sym[] \
__attribute__((section("__ksymtab_strings"), aligned(1))) \
= VMLINUX_SYMBOL_STR(sym); \
extern const struct kernel_symbol __ksymtab_##sym; \
__visible const struct kernel_symbol __ksymtab_##sym \
__used \
__attribute__((section("___ksymtab" sec "+" #sym), unused)) \
......
......@@ -29,8 +29,7 @@
#define MODULE_NAME_LEN MAX_PARAM_PREFIX_LEN
struct modversion_info
{
struct modversion_info {
unsigned long crc;
char name[MODULE_NAME_LEN];
};
......@@ -84,12 +83,12 @@ void sort_main_extable(void);
void trim_init_extable(struct module *m);
#ifdef MODULE
#define MODULE_GENERIC_TABLE(gtype,name) \
#define MODULE_GENERIC_TABLE(gtype, name) \
extern const struct gtype##_id __mod_##gtype##_table \
__attribute__ ((unused, alias(__stringify(name))))
#else /* !MODULE */
#define MODULE_GENERIC_TABLE(gtype,name)
#define MODULE_GENERIC_TABLE(gtype, name)
#endif
/* Generic info of form tag = "info" */
......@@ -142,23 +141,25 @@ extern const struct gtype##_id __mod_##gtype##_table \
/* What your module does. */
#define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description)
#define MODULE_DEVICE_TABLE(type,name) \
MODULE_GENERIC_TABLE(type##_device,name)
#define MODULE_DEVICE_TABLE(type, name) \
MODULE_GENERIC_TABLE(type##_device, name)
/* Version of form [<epoch>:]<version>[-<extra-version>].
Or for CVS/RCS ID version, everything but the number is stripped.
<epoch>: A (small) unsigned integer which allows you to start versions
anew. If not mentioned, it's zero. eg. "2:1.0" is after
"1:2.0".
<version>: The <version> may contain only alphanumerics and the
character `.'. Ordered by numeric sort for numeric parts,
ascii sort for ascii parts (as per RPM or DEB algorithm).
<extraversion>: Like <version>, but inserted for local
customizations, eg "rh3" or "rusty1".
Using this automatically adds a checksum of the .c files and the
local headers in "srcversion".
*/
* Or for CVS/RCS ID version, everything but the number is stripped.
* <epoch>: A (small) unsigned integer which allows you to start versions
* anew. If not mentioned, it's zero. eg. "2:1.0" is after
* "1:2.0".
* <version>: The <version> may contain only alphanumerics and the
* character `.'. Ordered by numeric sort for numeric parts,
* ascii sort for ascii parts (as per RPM or DEB algorithm).
* <extraversion>: Like <version>, but inserted for local
* customizations, eg "rh3" or "rusty1".
* Using this automatically adds a checksum of the .c files and the
* local headers in "srcversion".
*/
#if defined(MODULE) || !defined(CONFIG_SYSFS)
#define MODULE_VERSION(_version) MODULE_INFO(version, _version)
......@@ -226,8 +227,7 @@ struct module_ref {
unsigned long decs;
} __attribute((aligned(2 * sizeof(unsigned long))));
struct module
{
struct module {
enum module_state state;
/* Member of list of modules */
......@@ -451,7 +451,7 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
extern void __module_put_and_exit(struct module *mod, long code)
__attribute__((noreturn));
#define module_put_and_exit(code) __module_put_and_exit(THIS_MODULE, code);
#define module_put_and_exit(code) __module_put_and_exit(THIS_MODULE, code)
#ifdef CONFIG_MODULE_UNLOAD
unsigned long module_refcount(struct module *mod);
......@@ -480,8 +480,8 @@ static inline void module_put(struct module *module)
static inline void __module_get(struct module *module)
{
}
#define symbol_put(x) do { } while(0)
#define symbol_put_addr(p) do { } while(0)
#define symbol_put(x) do { } while (0)
#define symbol_put_addr(p) do { } while (0)
#endif /* CONFIG_MODULE_UNLOAD */
int ref_module(struct module *a, struct module *b);
......@@ -507,8 +507,8 @@ int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, unsigned
/* For extable.c to search modules' exception tables. */
const struct exception_table_entry *search_module_extables(unsigned long addr);
int register_module_notifier(struct notifier_block * nb);
int unregister_module_notifier(struct notifier_block * nb);
int register_module_notifier(struct notifier_block *nb);
int unregister_module_notifier(struct notifier_block *nb);
extern void print_modules(void);
......@@ -548,8 +548,8 @@ static inline bool is_module_text_address(unsigned long addr)
/* Get/put a kernel symbol (calls should be symmetric) */
#define symbol_get(x) ({ extern typeof(x) x __attribute__((weak)); &(x); })
#define symbol_put(x) do { } while(0)
#define symbol_put_addr(x) do { } while(0)
#define symbol_put(x) do { } while (0)
#define symbol_put_addr(x) do { } while (0)
static inline void __module_get(struct module *module)
{
......@@ -606,13 +606,13 @@ static inline int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
return 0;
}
static inline int register_module_notifier(struct notifier_block * nb)
static inline int register_module_notifier(struct notifier_block *nb)
{
/* no events will happen anyway, so this can always succeed */
return 0;
}
static inline int unregister_module_notifier(struct notifier_block * nb)
static inline int unregister_module_notifier(struct notifier_block *nb)
{
return 0;
}
......
......@@ -815,10 +815,8 @@ SYSCALL_DEFINE2(delete_module, const char __user *, name_user,
return -EFAULT;
name[MODULE_NAME_LEN-1] = '\0';
if (!(flags & O_NONBLOCK)) {
printk(KERN_WARNING
"waiting module removal not supported: please upgrade");
}
if (!(flags & O_NONBLOCK))
pr_warn("waiting module removal not supported: please upgrade\n");
if (mutex_lock_interruptible(&module_mutex) != 0)
return -EINTR;
......
......@@ -227,17 +227,10 @@ int parse_args(const char *doing,
}
/* Lazy bastard, eh? */
#define STANDARD_PARAM_DEF(name, type, format, tmptype, strtolfn) \
#define STANDARD_PARAM_DEF(name, type, format, strtolfn) \
int param_set_##name(const char *val, const struct kernel_param *kp) \
{ \
tmptype l; \
int ret; \
\
ret = strtolfn(val, 0, &l); \
if (ret < 0 || ((type)l != l)) \
return ret < 0 ? ret : -EINVAL; \
*((type *)kp->arg) = l; \
return 0; \
return strtolfn(val, 0, (type *)kp->arg); \
} \
int param_get_##name(char *buffer, const struct kernel_param *kp) \
{ \
......@@ -253,13 +246,13 @@ int parse_args(const char *doing,
EXPORT_SYMBOL(param_ops_##name)
STANDARD_PARAM_DEF(byte, unsigned char, "%hhu", unsigned long, kstrtoul);
STANDARD_PARAM_DEF(short, short, "%hi", long, kstrtol);
STANDARD_PARAM_DEF(ushort, unsigned short, "%hu", unsigned long, kstrtoul);
STANDARD_PARAM_DEF(int, int, "%i", long, kstrtol);
STANDARD_PARAM_DEF(uint, unsigned int, "%u", unsigned long, kstrtoul);
STANDARD_PARAM_DEF(long, long, "%li", long, kstrtol);
STANDARD_PARAM_DEF(ulong, unsigned long, "%lu", unsigned long, kstrtoul);
STANDARD_PARAM_DEF(byte, unsigned char, "%hhu", kstrtou8);
STANDARD_PARAM_DEF(short, short, "%hi", kstrtos16);
STANDARD_PARAM_DEF(ushort, unsigned short, "%hu", kstrtou16);
STANDARD_PARAM_DEF(int, int, "%i", kstrtoint);
STANDARD_PARAM_DEF(uint, unsigned int, "%u", kstrtouint);
STANDARD_PARAM_DEF(long, long, "%li", kstrtol);
STANDARD_PARAM_DEF(ulong, unsigned long, "%lu", kstrtoul);
int param_set_charp(const char *val, const struct kernel_param *kp)
{
......
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