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Commit 7619751f authored by Kees Cook's avatar Kees Cook Committed by Russell King
Browse files

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: default avatarKees Cook <keescook@chromium.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent d782e426

arch/arm/kernel/cpuidle.c

+1 −1
Original line number Diff line number Diff line
@@ -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()

arch/arm/kernel/setup.c

+5 −5
Original line number Diff line number Diff line
@@ -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

arch/arm/kernel/smp.c

+1 −1
Original line number Diff line number Diff line
@@ -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)

{

arch/arm/lib/delay.c

+1 −1
Original line number Diff line number Diff line
@@ -29,7 +29,7 @@ 
/*

 * Default to the loop-based delay implementation.

 */

struct arm_delay_ops arm_delay_ops = {

struct arm_delay_ops arm_delay_ops __ro_after_init = {

	.delay		= __loop_delay,

	.const_udelay	= __loop_const_udelay,

	.udelay		= __loop_udelay,

arch/arm/mm/mmu.c

+1 −1
Original line number Diff line number Diff line
@@ -243,7 +243,7 @@ __setup("noalign", noalign_setup); 
#define PROT_PTE_S2_DEVICE	PROT_PTE_DEVICE

#define PROT_SECT_DEVICE	PMD_TYPE_SECT|PMD_SECT_AP_WRITE



static struct mem_type mem_types[] = {

static struct mem_type mem_types[] __ro_after_init = {

	[MT_DEVICE] = {		  /* Strongly ordered / ARMv6 shared device */

		.prot_pte	= PROT_PTE_DEVICE | L_PTE_MT_DEV_SHARED |

				  L_PTE_SHARED,