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ARM: 8595/2: apply more __ro_after_init
Guided by grsecurity's analogous __read_only markings in arch/arm, this applies several uses of __ro_after_init to structures that are only updated during __init. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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parent
d782e426b8
commit
7619751f8c
5 changed files with 9 additions and 9 deletions
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@ -19,7 +19,7 @@ extern struct of_cpuidle_method __cpuidle_method_of_table[];
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static const struct of_cpuidle_method __cpuidle_method_of_table_sentinel
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__used __section(__cpuidle_method_of_table_end);
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static struct cpuidle_ops cpuidle_ops[NR_CPUS];
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static struct cpuidle_ops cpuidle_ops[NR_CPUS] __ro_after_init;
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/**
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* arm_cpuidle_simple_enter() - a wrapper to cpu_do_idle()
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@ -114,19 +114,19 @@ EXPORT_SYMBOL(elf_hwcap2);
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#ifdef MULTI_CPU
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struct processor processor __read_mostly;
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struct processor processor __ro_after_init;
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#endif
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#ifdef MULTI_TLB
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struct cpu_tlb_fns cpu_tlb __read_mostly;
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struct cpu_tlb_fns cpu_tlb __ro_after_init;
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#endif
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#ifdef MULTI_USER
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struct cpu_user_fns cpu_user __read_mostly;
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struct cpu_user_fns cpu_user __ro_after_init;
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#endif
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#ifdef MULTI_CACHE
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struct cpu_cache_fns cpu_cache __read_mostly;
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struct cpu_cache_fns cpu_cache __ro_after_init;
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#endif
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#ifdef CONFIG_OUTER_CACHE
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struct outer_cache_fns outer_cache __read_mostly;
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struct outer_cache_fns outer_cache __ro_after_init;
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EXPORT_SYMBOL(outer_cache);
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#endif
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@ -82,7 +82,7 @@ enum ipi_msg_type {
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static DECLARE_COMPLETION(cpu_running);
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static struct smp_operations smp_ops;
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static struct smp_operations smp_ops __ro_after_init;
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void __init smp_set_ops(const struct smp_operations *ops)
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{
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@ -29,7 +29,7 @@
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/*
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* Default to the loop-based delay implementation.
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*/
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struct arm_delay_ops arm_delay_ops = {
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struct arm_delay_ops arm_delay_ops __ro_after_init = {
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.delay = __loop_delay,
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.const_udelay = __loop_const_udelay,
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.udelay = __loop_udelay,
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@ -243,7 +243,7 @@ __setup("noalign", noalign_setup);
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#define PROT_PTE_S2_DEVICE PROT_PTE_DEVICE
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#define PROT_SECT_DEVICE PMD_TYPE_SECT|PMD_SECT_AP_WRITE
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static struct mem_type mem_types[] = {
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static struct mem_type mem_types[] __ro_after_init = {
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[MT_DEVICE] = { /* Strongly ordered / ARMv6 shared device */
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.prot_pte = PROT_PTE_DEVICE | L_PTE_MT_DEV_SHARED |
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L_PTE_SHARED,
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