Merge branch 'x86-security-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'x86-security-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  module: Move RO/NX module protection to after ftrace module update
  x86: Resume trampoline must be executable
  x86: Add RO/NX protection for loadable kernel modules
  x86: Add NX protection for kernel data
  x86: Fix improper large page preservation

1 files changed, 10 insertions, 1 deletions

diff --git a/include/linux/module.h b/include/linux/module.h
index 7575bbbdf2a2..8b17fd8c790d 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -308,6 +308,9 @@ struct module
         /* The size of the executable code in each section.  */
         unsigned int init_text_size, core_text_size;
 
+        /* Size of RO sections of the module (text+rodata) */
+        unsigned int init_ro_size, core_ro_size;
+
         /* Arch-specific module values */
         struct mod_arch_specific arch;
 
@@ -672,7 +675,6 @@ static inline int module_get_iter_tracepoints(struct tracepoint_iter *iter)
 {
         return 0;
 }
-
 #endif /* CONFIG_MODULES */
 
 #ifdef CONFIG_SYSFS
@@ -687,6 +689,13 @@ extern int module_sysfs_initialized;
 
 #define __MODULE_STRING(x) __stringify(x)
 
+#ifdef CONFIG_DEBUG_SET_MODULE_RONX
+extern void set_all_modules_text_rw(void);
+extern void set_all_modules_text_ro(void);
+#else
+static inline void set_all_modules_text_rw(void) { }
+static inline void set_all_modules_text_ro(void) { }
+#endif
 
 #ifdef CONFIG_GENERIC_BUG
 void module_bug_finalize(const Elf_Ehdr *, const Elf_Shdr *,