diff options
| author | Sami Tolvanen <samitolvanen@google.com> | 2022-09-09 00:54:45 +0300 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2022-09-26 20:13:12 +0300 |
| commit | 9fca7115827b2e5f48d84e50bceb4edfd4cb6375 (patch) | |
| tree | 10173b32c03fc8b3c5f32133c1d83ce7b1fb7cda /kernel/module | |
| parent | d0f9562ee43a135b941715d9e5e607de88898aca (diff) | |
| download | linux-9fca7115827b2e5f48d84e50bceb4edfd4cb6375.tar.xz | |
cfi: Remove CONFIG_CFI_CLANG_SHADOW
In preparation to switching to -fsanitize=kcfi, remove support for the
CFI module shadow that will no longer be needed.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Kees Cook <keescook@chromium.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220908215504.3686827-4-samitolvanen@google.com
Diffstat (limited to 'kernel/module')
| -rw-r--r-- | kernel/module/main.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/kernel/module/main.c b/kernel/module/main.c index a4e4d84b6f4e..0228f44b58e5 100644 --- a/kernel/module/main.c +++ b/kernel/module/main.c @@ -1144,8 +1144,6 @@ void __weak module_arch_freeing_init(struct module *mod) { } -static void cfi_cleanup(struct module *mod); - /* Free a module, remove from lists, etc. */ static void free_module(struct module *mod) { @@ -1190,9 +1188,6 @@ static void free_module(struct module *mod) mod->name); mutex_unlock(&module_mutex); - /* Clean up CFI for the module. */ - cfi_cleanup(mod); - /* This may be empty, but that's OK */ module_arch_freeing_init(mod); module_memfree(mod->init_layout.base); @@ -2875,7 +2870,6 @@ static int load_module(struct load_info *info, const char __user *uargs, synchronize_rcu(); kfree(mod->args); free_arch_cleanup: - cfi_cleanup(mod); module_arch_cleanup(mod); free_modinfo: free_modinfo(mod); @@ -2984,15 +2978,6 @@ static void cfi_init(struct module *mod) mod->exit = *exit; #endif rcu_read_unlock_sched(); - - cfi_module_add(mod, mod_tree.addr_min); -#endif -} - -static void cfi_cleanup(struct module *mod) -{ -#ifdef CONFIG_CFI_CLANG - cfi_module_remove(mod, mod_tree.addr_min); #endif } |