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authorLinus Torvalds <torvalds@linux-foundation.org>2021-05-06 09:28:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-05-06 09:28:07 -0700
commit322a3b843d7f475b857646ed8f95b40431d3ecd0 (patch)
treebea0ff4d62cd0fbde4e93587ea08191af80348aa /arch/arm/mm/init.c
parent939b7cbc00906b02c6eae6a380ad6c24c7a1e043 (diff)
parent298a58e165e447ccfaae35fe9f651f9d7e15166f (diff)
Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King: - Fix BSS size calculation for LLVM - Improve robustness of kernel entry around v7_invalidate_l1 - Fix and update kprobes assembly - Correct breakpoint overflow handler check - Pause function graph tracer when suspending a CPU - Switch to generic syscallhdr.sh and syscalltbl.sh - Remove now unused set_kernel_text_r[wo] functions - Updates for ptdump (__init marking and using DEFINE_SHOW_ATTRIBUTE) - Fix for interrupted SMC (secure) calls - Remove Compaq Personal Server platform * tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: footbridge: remove personal server platform ARM: 9075/1: kernel: Fix interrupted SMC calls ARM: 9074/1: ptdump: convert to DEFINE_SHOW_ATTRIBUTE ARM: 9073/1: ptdump: add __init section marker to three functions ARM: 9072/1: mm: remove set_kernel_text_r[ow]() ARM: 9067/1: syscalls: switch to generic syscallhdr.sh ARM: 9068/1: syscalls: switch to generic syscalltbl.sh ARM: 9066/1: ftrace: pause/unpause function graph tracer in cpu_suspend() ARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook ARM: 9062/1: kprobes: rewrite test-arm.c in UAL ARM: 9061/1: kprobes: fix UNPREDICTABLE warnings ARM: 9060/1: kexec: Remove unused kexec_reinit callback ARM: 9059/1: cache-v7: get rid of mini-stack ARM: 9058/1: cache-v7: refactor v7_invalidate_l1 to avoid clobbering r5/r6 ARM: 9057/1: cache-v7: add missing ISB after cache level selection ARM: 9056/1: decompressor: fix BSS size calculation for LLVM ld.lld
Diffstat (limited to 'arch/arm/mm/init.c')
-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 1ba9f9f9dbd8..9d4744a632c6 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -489,33 +489,12 @@ 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 */