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author | Ingo Molnar <mingo@kernel.org> | 2019-12-25 10:43:08 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2019-12-25 10:43:08 +0100 |
commit | 46f5cfc13d54962097cb0cc5f97593e2a98a6aed (patch) | |
tree | 1ec5da58e3d085a7e358a4b7adf3b6e6b7ce1753 /kernel/module.c | |
parent | Linux 5.5-rc3 (diff) | |
parent | Merge tag 'v5.5-rc1' into core/kprobes, to resolve conflicts (diff) | |
download | linux-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.c | 43 |
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 */ |