After commit 5a735583b764 ("arm/ftrace: Use __patch_text()"), the last
and only user of these functions has gone, remove them.
Signed-off-by: Jisheng Zhang <[email protected]>
---
arch/arm/include/asm/set_memory.h | 8 --------
arch/arm/mm/init.c | 21 ---------------------
2 files changed, 29 deletions(-)
diff --git a/arch/arm/include/asm/set_memory.h b/arch/arm/include/asm/set_memory.h
index a1ceff4295d3..ec17fc0fda7a 100644
--- a/arch/arm/include/asm/set_memory.h
+++ b/arch/arm/include/asm/set_memory.h
@@ -18,12 +18,4 @@ static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
#endif
-#ifdef CONFIG_STRICT_KERNEL_RWX
-void set_kernel_text_rw(void);
-void set_kernel_text_ro(void);
-#else
-static inline void set_kernel_text_rw(void) { }
-static inline void set_kernel_text_ro(void) { }
-#endif
-
#endif
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 828a2561b229..039c19597c7a 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -487,33 +487,12 @@ static int __mark_rodata_ro(void *unused)
return 0;
}
-static int kernel_set_to_readonly __read_mostly;
-
void mark_rodata_ro(void)
{
- kernel_set_to_readonly = 1;
stop_machine(__mark_rodata_ro, NULL, NULL);
debug_checkwx();
}
-void set_kernel_text_rw(void)
-{
- if (!kernel_set_to_readonly)
- return;
-
- set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), false,
- current->active_mm);
-}
-
-void set_kernel_text_ro(void)
-{
- if (!kernel_set_to_readonly)
- return;
-
- set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), true,
- current->active_mm);
-}
-
#else
static inline void fix_kernmem_perms(void) { }
#endif /* CONFIG_STRICT_KERNEL_RWX */
--
2.31.0