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authorIngo Molnar <mingo@kernel.org>2019-12-25 10:43:08 +0100
committerIngo Molnar <mingo@kernel.org>2019-12-25 10:43:08 +0100
commit46f5cfc13d54962097cb0cc5f97593e2a98a6aed (patch)
tree1ec5da58e3d085a7e358a4b7adf3b6e6b7ce1753 /kernel/module.c
parentLinux 5.5-rc3 (diff)
parentMerge tag 'v5.5-rc1' into core/kprobes, to resolve conflicts (diff)
downloadlinux-46f5cfc13d54962097cb0cc5f97593e2a98a6aed.tar.xz
linux-46f5cfc13d54962097cb0cc5f97593e2a98a6aed.zip
Merge branch 'core/kprobes' into perf/core, to pick up a completed branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/module.c')
-rw-r--r--kernel/module.c43
1 files changed, 0 insertions, 43 deletions
diff --git a/kernel/module.c b/kernel/module.c
index b56f3224b161..ac058a5ad1d1 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2031,49 +2031,6 @@ static void module_enable_nx(const struct module *mod)
frob_writable_data(&mod->init_layout, set_memory_nx);
}
-/* Iterate through all modules and set each module's text as RW */
-void set_all_modules_text_rw(void)
-{
- struct module *mod;
-
- if (!rodata_enabled)
- return;
-
- mutex_lock(&module_mutex);
- list_for_each_entry_rcu(mod, &modules, list) {
- if (mod->state == MODULE_STATE_UNFORMED)
- continue;
-
- frob_text(&mod->core_layout, set_memory_rw);
- frob_text(&mod->init_layout, set_memory_rw);
- }
- mutex_unlock(&module_mutex);
-}
-
-/* Iterate through all modules and set each module's text as RO */
-void set_all_modules_text_ro(void)
-{
- struct module *mod;
-
- if (!rodata_enabled)
- return;
-
- mutex_lock(&module_mutex);
- list_for_each_entry_rcu(mod, &modules, list) {
- /*
- * Ignore going modules since it's possible that ro
- * protection has already been disabled, otherwise we'll
- * run into protection faults at module deallocation.
- */
- if (mod->state == MODULE_STATE_UNFORMED ||
- mod->state == MODULE_STATE_GOING)
- continue;
-
- frob_text(&mod->core_layout, set_memory_ro);
- frob_text(&mod->init_layout, set_memory_ro);
- }
- mutex_unlock(&module_mutex);
-}
#else /* !CONFIG_STRICT_MODULE_RWX */
static void module_enable_nx(const struct module *mod) { }
#endif /* CONFIG_STRICT_MODULE_RWX */