diff options
| author | Kees Cook <keescook@chromium.org> | 2016-08-10 22:46:49 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2016-08-12 16:47:06 +0100 |
| commit | 7619751f8c900fa5fdd76db06f4caf095c56de8e (patch) | |
| tree | c4b0185d61b10af7b385e2c20cbe15137ac93097 /arch/arm/kernel | |
| parent | d782e426b835bd2e79d868eb4af8510ed79e0aee (diff) | |
| download | linux-7619751f8c900fa5fdd76db06f4caf095c56de8e.tar.bz2 | |
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>
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/cpuidle.c | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/setup.c | 10 | ||||
| -rw-r--r-- | arch/arm/kernel/smp.c | 2 |
3 files changed, 7 insertions, 7 deletions
diff --git a/arch/arm/kernel/cpuidle.c b/arch/arm/kernel/cpuidle.c index 7dccc964d75f..a3308ad1a024 100644 --- a/arch/arm/kernel/cpuidle.c +++ b/arch/arm/kernel/cpuidle.c @@ -19,7 +19,7 @@ extern struct of_cpuidle_method __cpuidle_method_of_table[]; static const struct of_cpuidle_method __cpuidle_method_of_table_sentinel __used __section(__cpuidle_method_of_table_end); -static struct cpuidle_ops cpuidle_ops[NR_CPUS]; +static struct cpuidle_ops cpuidle_ops[NR_CPUS] __ro_after_init; /** * arm_cpuidle_simple_enter() - a wrapper to cpu_do_idle() diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index df7f2a75e769..aca999e17184 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -114,19 +114,19 @@ EXPORT_SYMBOL(elf_hwcap2); #ifdef MULTI_CPU -struct processor processor __read_mostly; +struct processor processor __ro_after_init; #endif #ifdef MULTI_TLB -struct cpu_tlb_fns cpu_tlb __read_mostly; +struct cpu_tlb_fns cpu_tlb __ro_after_init; #endif #ifdef MULTI_USER -struct cpu_user_fns cpu_user __read_mostly; +struct cpu_user_fns cpu_user __ro_after_init; #endif #ifdef MULTI_CACHE -struct cpu_cache_fns cpu_cache __read_mostly; +struct cpu_cache_fns cpu_cache __ro_after_init; #endif #ifdef CONFIG_OUTER_CACHE -struct outer_cache_fns outer_cache __read_mostly; +struct outer_cache_fns outer_cache __ro_after_init; EXPORT_SYMBOL(outer_cache); #endif diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 861521606c6d..937c8920d741 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -82,7 +82,7 @@ enum ipi_msg_type { static DECLARE_COMPLETION(cpu_running); -static struct smp_operations smp_ops; +static struct smp_operations smp_ops __ro_after_init; void __init smp_set_ops(const struct smp_operations *ops) { |