diff options
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 4 | ||||
| -rw-r--r-- | init/main.c | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 094d4917c1a..35de20cf8fa 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -10,6 +10,8 @@ #define ALIGN_FUNCTION() . = ALIGN(8) #define RODATA \ + . = ALIGN(4096); \ + __start_rodata = .; \ .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \ *(.rodata) *(.rodata.*) \ *(__vermagic) /* Kernel version magic */ \ @@ -74,6 +76,8 @@ __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \ *(__ksymtab_strings) \ } \ + __end_rodata = .; \ + . = ALIGN(4096); \ \ /* Built-in module parameters. */ \ __param : AT(ADDR(__param) - LOAD_OFFSET) { \ diff --git a/init/main.c b/init/main.c index 54aaf561cf6..2ed3638deec 100644 --- a/init/main.c +++ b/init/main.c @@ -52,6 +52,7 @@ #include <asm/bugs.h> #include <asm/setup.h> #include <asm/sections.h> +#include <asm/cacheflush.h> /* * This is one of the first .c files built. Error out early @@ -99,6 +100,9 @@ extern void acpi_early_init(void); #else static inline void acpi_early_init(void) { } #endif +#ifndef CONFIG_DEBUG_RODATA +static inline void mark_rodata_ro(void) { } +#endif #ifdef CONFIG_TC extern void tc_init(void); @@ -708,6 +712,7 @@ static int init(void * unused) */ free_initmem(); unlock_kernel(); + mark_rodata_ro(); system_state = SYSTEM_RUNNING; numa_default_policy(); |