Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/module.h b/include/linux/module.h
index e19ae08..6d20895 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -21,13 +21,11 @@
#include <linux/rbtree_latch.h>
#include <linux/error-injection.h>
#include <linux/tracepoint-defs.h>
+#include <linux/srcu.h>
#include <linux/percpu.h>
#include <asm/module.h>
-/* In stripped ARM and x86-64 modules, ~ is surprisingly rare. */
-#define MODULE_SIG_STRING "~Module signature appended~\n"
-
/* Not Yet Implemented */
#define MODULE_SUPPORTED_DEVICE(name)
@@ -124,19 +122,18 @@
#define late_initcall_sync(fn) module_init(fn)
#define console_initcall(fn) module_init(fn)
-#define security_initcall(fn) module_init(fn)
/* Each module must use one module_init(). */
#define module_init(initfn) \
static inline initcall_t __maybe_unused __inittest(void) \
{ return initfn; } \
- int init_module(void) __attribute__((alias(#initfn)));
+ int init_module(void) __copy(initfn) __attribute__((alias(#initfn)));
/* This is only required if you want to be unloadable. */
#define module_exit(exitfn) \
static inline exitcall_t __maybe_unused __exittest(void) \
{ return exitfn; } \
- void cleanup_module(void) __attribute__((alias(#exitfn)));
+ void cleanup_module(void) __copy(exitfn) __attribute__((alias(#exitfn)));
#endif
@@ -173,7 +170,7 @@
* The following license idents are currently accepted as indicating free
* software modules
*
- * "GPL" [GNU Public License v2 or later]
+ * "GPL" [GNU Public License v2]
* "GPL v2" [GNU Public License v2]
* "GPL and additional rights" [GNU Public License v2 rights and more]
* "Dual BSD/GPL" [GNU Public License v2
@@ -187,6 +184,22 @@
*
* "Proprietary" [Non free products]
*
+ * Both "GPL v2" and "GPL" (the latter also in dual licensed strings) are
+ * merely stating that the module is licensed under the GPL v2, but are not
+ * telling whether "GPL v2 only" or "GPL v2 or later". The reason why there
+ * are two variants is a historic and failed attempt to convey more
+ * information in the MODULE_LICENSE string. For module loading the
+ * "only/or later" distinction is completely irrelevant and does neither
+ * replace the proper license identifiers in the corresponding source file
+ * nor amends them in any way. The sole purpose is to make the
+ * 'Proprietary' flagging work and to refuse to bind symbols which are
+ * exported with EXPORT_SYMBOL_GPL when a non free module is loaded.
+ *
+ * In the same way "BSD" is not a clear license information. It merely
+ * states, that the module is licensed under one of the compatible BSD
+ * license variants. The detailed and correct license information is again
+ * to be found in the corresponding source files.
+ *
* There are dual licensed components, but when running with Linux it is the
* GPL that is relevant so this is a non issue. Similarly LGPL linked with GPL
* is a GPL combined work.
@@ -238,6 +251,7 @@
#define MODULE_VERSION(_version) MODULE_INFO(version, _version)
#else
#define MODULE_VERSION(_version) \
+ MODULE_INFO(version, _version); \
static struct module_version_attribute ___modver_attr = { \
.mattr = { \
.attr = { \
@@ -259,6 +273,8 @@
* files require multiple MODULE_FIRMWARE() specifiers */
#define MODULE_FIRMWARE(_firmware) MODULE_INFO(firmware, _firmware)
+#define MODULE_IMPORT_NS(ns) MODULE_INFO(import_ns, #ns)
+
struct notifier_block;
#ifdef CONFIG_MODULES
@@ -316,6 +332,7 @@
Elf_Sym *symtab;
unsigned int num_symtab;
char *strtab;
+ char *typetab;
};
#ifdef CONFIG_LIVEPATCH
@@ -433,7 +450,15 @@
unsigned int num_tracepoints;
tracepoint_ptr_t *tracepoints_ptrs;
#endif
-#ifdef HAVE_JUMP_LABEL
+#ifdef CONFIG_TREE_SRCU
+ unsigned int num_srcu_structs;
+ struct srcu_struct **srcu_struct_ptrs;
+#endif
+#ifdef CONFIG_BPF_EVENTS
+ unsigned int num_bpf_raw_events;
+ struct bpf_raw_event_map *bpf_raw_events;
+#endif
+#ifdef CONFIG_JUMP_LABEL
struct jump_entry *jump_entries;
unsigned int num_jump_entries;
#endif
@@ -487,6 +512,13 @@
#define MODULE_ARCH_INIT {}
#endif
+#ifndef HAVE_ARCH_KALLSYMS_SYMBOL_VALUE
+static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym)
+{
+ return sym->st_value;
+}
+#endif
+
extern struct mutex module_mutex;
/* FIXME: It'd be nice to isolate modules during init, too, so they
@@ -650,6 +682,7 @@
#endif /* CONFIG_LIVEPATCH */
bool is_module_sig_enforced(void);
+void set_module_sig_enforced(void);
#else /* !CONFIG_MODULES... */
@@ -683,6 +716,23 @@
return false;
}
+static inline bool within_module_core(unsigned long addr,
+ const struct module *mod)
+{
+ return false;
+}
+
+static inline bool within_module_init(unsigned long addr,
+ const struct module *mod)
+{
+ return false;
+}
+
+static inline bool within_module(unsigned long addr, const struct module *mod)
+{
+ return false;
+}
+
/* 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)
@@ -770,6 +820,10 @@
return false;
}
+static inline void set_module_sig_enforced(void)
+{
+}
+
/* Dereference module function descriptor */
static inline
void *dereference_module_function_descriptor(struct module *mod, void *ptr)
@@ -818,7 +872,7 @@
static inline void module_bug_cleanup(struct module *mod) {}
#endif /* CONFIG_GENERIC_BUG */
-#ifdef RETPOLINE
+#ifdef CONFIG_RETPOLINE
extern bool retpoline_module_ok(bool has_retpoline);
#else
static inline bool retpoline_module_ok(bool has_retpoline)