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authorJisheng Zhang (syna) <Jisheng.Zhang@synaptics.com>2021-04-12 09:05:48 +0100
committerRussell King <rmk+kernel@armlinux.org.uk>2021-04-18 19:15:11 +0100
commitaefdd4383bb0057c1ec1e32e7de348ccd749eb20 (patch)
tree148cc5b340f07e8778666211367daeece9a419ef /arch/arm/mm
parent32e9a0d5ffaffe035f99188602d328665c43f38f (diff)
ARM: 9072/1: mm: remove set_kernel_text_r[ow]()
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 <Jisheng.Zhang@synaptics.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/init.c21
1 files changed, 0 insertions, 21 deletions
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 */