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| author |   Ingo Molnar <mingo@kernel.org> | 2019-12-10 10:11:00 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-12-10 10:11:00 +0100 |
| commit | 2040cf9f59037aa8aec749363e69ead165b67b43 (patch) | |
| tree | e9c15448e841cc493bc80b9f658d7955623e86dd /kernel/module.c | |
| parent | kprobes: Set unoptimized flag after unoptimizing code (diff) | |
| parent | Linux 5.5-rc1 (diff) | |
| download | wireguard-linux-2040cf9f59037aa8aec749363e69ead165b67b43.tar.xz wireguard-linux-2040cf9f59037aa8aec749363e69ead165b67b43.zip | |
Merge tag 'v5.5-rc1' into core/kprobes, to resolve conflicts
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/module.c')
| -rw-r--r-- | kernel/module.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/module.c b/kernel/module.c index 5cd9bed595f4..cb6250be6ee9 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1033,6 +1033,8 @@ SYSCALL_DEFINE2(delete_module, const char __user *, name_user, strlcpy(last_unloaded_module, mod->name, sizeof(last_unloaded_module)); free_module(mod); + /* someone could wait for the module in add_unformed_module() */ + wake_up_all(&module_wq); return 0; out: mutex_unlock(&module_mutex); @@ -1400,7 +1402,7 @@ static int verify_namespace_is_imported(const struct load_info *info, char *imported_namespace; namespace = kernel_symbol_namespace(sym); - if (namespace) { + if (namespace && namespace[0]) { imported_namespace = get_modinfo(info, "import_ns"); while (imported_namespace) { if (strcmp(namespace, imported_namespace) == 0) @@ -3685,7 +3687,6 @@ static int complete_formation(struct module *mod, struct load_info *info) module_enable_ro(mod, false); module_enable_nx(mod); - module_enable_x(mod); /* Mark state as coming so strong_try_module_get() ignores us, * but kallsyms etc. can see us. */ @@ -3708,6 +3709,11 @@ static int prepare_coming_module(struct module *mod) if (err) return err; + /* Make module executable after ftrace is enabled */ + mutex_lock(&module_mutex); + module_enable_x(mod); + mutex_unlock(&module_mutex); + blocking_notifier_call_chain(&module_notify_list, MODULE_STATE_COMING, mod); return 0; |