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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2023-12-21 12:02:46 +0300 |
|---|---|---|
| committer | Luis Chamberlain <mcgrof@kernel.org> | 2024-02-02 21:21:25 +0300 |
| commit | 398ec3e925eb1c4d5850ec60f7075e0c20199003 (patch) | |
| tree | 2db7c646a2ec561d35d4ed43d849391b0cb3748e /init/main.c | |
| parent | 3559ad395bf02f3dee576dc9acab4ce330ce57b5 (diff) | |
| download | linux-398ec3e925eb1c4d5850ec60f7075e0c20199003.tar.xz | |
init: Declare rodata_enabled and mark_rodata_ro() at all time
Declaring rodata_enabled and mark_rodata_ro() at all time
helps removing related #ifdefery in C files.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Diffstat (limited to 'init/main.c')
| -rw-r--r-- | init/main.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/init/main.c b/init/main.c index e24b0780fdff..807df08c501f 100644 --- a/init/main.c +++ b/init/main.c @@ -1396,10 +1396,9 @@ static int __init set_debug_rodata(char *str) early_param("rodata", set_debug_rodata); #endif -#ifdef CONFIG_STRICT_KERNEL_RWX static void mark_readonly(void) { - if (rodata_enabled) { + if (IS_ENABLED(CONFIG_STRICT_KERNEL_RWX) && rodata_enabled) { /* * load_module() results in W+X mappings, which are cleaned * up with call_rcu(). Let's make sure that queued work is @@ -1409,20 +1408,14 @@ static void mark_readonly(void) rcu_barrier(); mark_rodata_ro(); rodata_test(); - } else + } else if (IS_ENABLED(CONFIG_STRICT_KERNEL_RWX)) { pr_info("Kernel memory protection disabled.\n"); + } else if (IS_ENABLED(CONFIG_ARCH_HAS_STRICT_KERNEL_RWX)) { + pr_warn("Kernel memory protection not selected by kernel config.\n"); + } else { + pr_warn("This architecture does not have kernel memory protection.\n"); + } } -#elif defined(CONFIG_ARCH_HAS_STRICT_KERNEL_RWX) -static inline void mark_readonly(void) -{ - pr_warn("Kernel memory protection not selected by kernel config.\n"); -} -#else -static inline void mark_readonly(void) -{ - pr_warn("This architecture does not have kernel memory protection.\n"); -} -#endif void __weak free_initmem(void) { |