diff options
| author |   Mark Rutland <mark.rutland@arm.com> | 2019-08-13 15:16:39 +0100 |
|---|---|---|
| committer |   Will Deacon <will@kernel.org> | 2019-08-13 18:32:17 +0100 |
| commit | 37143dcc44f8f3348d47616598137b1580468973 (patch) | |
| tree | c9e13711de276915e6817e879ffbfc26e8590793 /arch/arm64 | |
| parent | arm64: constify aarch64_insn_encoding_class[] (diff) | |
| download | linux-dev-37143dcc44f8f3348d47616598137b1580468973.tar.xz linux-dev-37143dcc44f8f3348d47616598137b1580468973.zip | |
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>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/kernel/traps.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index 42c8422cdf4a..a5d7ce4297b0 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -511,7 +511,7 @@ struct sys64_hook { void (*handler)(unsigned int esr, struct pt_regs *regs); }; -static struct sys64_hook sys64_hooks[] = { +static const struct sys64_hook sys64_hooks[] = { { .esr_mask = ESR_ELx_SYS64_ISS_EL0_CACHE_OP_MASK, .esr_val = ESR_ELx_SYS64_ISS_EL0_CACHE_OP_VAL, @@ -636,7 +636,7 @@ static void compat_cntfrq_read_handler(unsigned int esr, struct pt_regs *regs) arm64_compat_skip_faulting_instruction(regs, 4); } -static struct sys64_hook cp15_32_hooks[] = { +static const struct sys64_hook cp15_32_hooks[] = { { .esr_mask = ESR_ELx_CP15_32_ISS_SYS_MASK, .esr_val = ESR_ELx_CP15_32_ISS_SYS_CNTFRQ, @@ -656,7 +656,7 @@ static void compat_cntvct_read_handler(unsigned int esr, struct pt_regs *regs) arm64_compat_skip_faulting_instruction(regs, 4); } -static struct sys64_hook cp15_64_hooks[] = { +static const struct sys64_hook cp15_64_hooks[] = { { .esr_mask = ESR_ELx_CP15_64_ISS_SYS_MASK, .esr_val = ESR_ELx_CP15_64_ISS_SYS_CNTVCT, @@ -667,7 +667,7 @@ static struct sys64_hook cp15_64_hooks[] = { asmlinkage void __exception do_cp15instr(unsigned int esr, struct pt_regs *regs) { - struct sys64_hook *hook, *hook_base; + const struct sys64_hook *hook, *hook_base; if (!cp15_cond_valid(esr, regs)) { /* @@ -707,7 +707,7 @@ asmlinkage void __exception do_cp15instr(unsigned int esr, struct pt_regs *regs) asmlinkage void __exception do_sysinstr(unsigned int esr, struct pt_regs *regs) { - struct sys64_hook *hook; + const struct sys64_hook *hook; for (hook = sys64_hooks; hook->handler; hook++) if ((hook->esr_mask & esr) == hook->esr_val) { |