From aefdd4383bb0057c1ec1e32e7de348ccd749eb20 Mon Sep 17 00:00:00 2001 From: "Jisheng Zhang (syna)" Date: Mon, 12 Apr 2021 09:05:48 +0100 Subject: 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 Signed-off-by: Russell King --- arch/arm/mm/init.c | 21 --------------------- 1 file changed, 21 deletions(-) (limited to 'arch/arm/mm/init.c') 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 */ -- cgit