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arm64: constify sys64_hook instances
All instances of struct sys64_hook contain compile-time constant data, and are never inentionally modified, so let's make them all const. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Will Deacon <will@kernel.org>
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1 changed files with 5 additions and 5 deletions
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@ -511,7 +511,7 @@ struct sys64_hook {
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void (*handler)(unsigned int esr, struct pt_regs *regs);
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};
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static struct sys64_hook sys64_hooks[] = {
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static const struct sys64_hook sys64_hooks[] = {
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{
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.esr_mask = ESR_ELx_SYS64_ISS_EL0_CACHE_OP_MASK,
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.esr_val = ESR_ELx_SYS64_ISS_EL0_CACHE_OP_VAL,
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@ -636,7 +636,7 @@ static void compat_cntfrq_read_handler(unsigned int esr, struct pt_regs *regs)
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arm64_compat_skip_faulting_instruction(regs, 4);
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}
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static struct sys64_hook cp15_32_hooks[] = {
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static const struct sys64_hook cp15_32_hooks[] = {
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{
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.esr_mask = ESR_ELx_CP15_32_ISS_SYS_MASK,
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.esr_val = ESR_ELx_CP15_32_ISS_SYS_CNTFRQ,
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@ -656,7 +656,7 @@ static void compat_cntvct_read_handler(unsigned int esr, struct pt_regs *regs)
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arm64_compat_skip_faulting_instruction(regs, 4);
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}
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static struct sys64_hook cp15_64_hooks[] = {
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static const struct sys64_hook cp15_64_hooks[] = {
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{
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.esr_mask = ESR_ELx_CP15_64_ISS_SYS_MASK,
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.esr_val = ESR_ELx_CP15_64_ISS_SYS_CNTVCT,
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@ -667,7 +667,7 @@ static struct sys64_hook cp15_64_hooks[] = {
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asmlinkage void __exception do_cp15instr(unsigned int esr, struct pt_regs *regs)
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{
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struct sys64_hook *hook, *hook_base;
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const struct sys64_hook *hook, *hook_base;
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if (!cp15_cond_valid(esr, regs)) {
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/*
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@ -707,7 +707,7 @@ asmlinkage void __exception do_cp15instr(unsigned int esr, struct pt_regs *regs)
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asmlinkage void __exception do_sysinstr(unsigned int esr, struct pt_regs *regs)
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{
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struct sys64_hook *hook;
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const struct sys64_hook *hook;
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for (hook = sys64_hooks; hook->handler; hook++)
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if ((hook->esr_mask & esr) == hook->esr_val) {
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