[PATCH] x86/x86_64: mark rodata section read only: generic infrastructure
Generic prep-work for marking the .rodata section readonly: * Align the rodata section at 4Kb boundary * call the mark_rodata_ro() function when available Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Adrian Bunk <bunk@stusta.de> Cc: Andi Kleen <ak@muc.de> Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
committed by
Linus Torvalds
parent
d89c145c03
commit
37b73c8281
@ -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();
|
||||
|
||||
|
Reference in New Issue
Block a user