From 1c8ae42975bd708f6c8c73d011025868b23076b3 Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Wed, 7 Jun 2023 17:48:45 +0100 Subject: arm64: cpufeature: use cpucap naming To more clearly align the various users of the cpucap enumeration, this patch changes the cpufeature code to use the term `cpucap` in favour of `cpu_hwcap`. This more clearly aligns with other users of the cpucaps, and avoids confusion with the ELF hwcaps. There should be no functional change as a result of this patch; this is purely a renaming exercise. Signed-off-by: Mark Rutland Reviewed-by: Mark Brown Reviewed-by: Suzuki K Poulose Cc: Marc Zyngier Cc: Will Deacon Link: https://lore.kernel.org/r/20230607164846.3967305-4-mark.rutland@arm.com Signed-off-by: Catalin Marinas --- arch/arm64/kernel/cpufeature.c | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) (limited to 'arch/arm64/kernel/cpufeature.c') diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 68e012f4ea08..82e681952834 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -107,7 +107,7 @@ unsigned int compat_elf_hwcap2 __read_mostly; DECLARE_BITMAP(system_cpucaps, ARM64_NCAPS); EXPORT_SYMBOL(system_cpucaps); -static struct arm64_cpu_capabilities const __ro_after_init *cpu_hwcaps_ptrs[ARM64_NCAPS]; +static struct arm64_cpu_capabilities const __ro_after_init *cpucap_ptrs[ARM64_NCAPS]; DECLARE_BITMAP(boot_cpucaps, ARM64_NCAPS); @@ -954,24 +954,24 @@ extern const struct arm64_cpu_capabilities arm64_errata[]; static const struct arm64_cpu_capabilities arm64_features[]; static void __init -init_cpu_hwcaps_indirect_list_from_array(const struct arm64_cpu_capabilities *caps) +init_cpucap_indirect_list_from_array(const struct arm64_cpu_capabilities *caps) { for (; caps->matches; caps++) { if (WARN(caps->capability >= ARM64_NCAPS, "Invalid capability %d\n", caps->capability)) continue; - if (WARN(cpu_hwcaps_ptrs[caps->capability], + if (WARN(cpucap_ptrs[caps->capability], "Duplicate entry for capability %d\n", caps->capability)) continue; - cpu_hwcaps_ptrs[caps->capability] = caps; + cpucap_ptrs[caps->capability] = caps; } } -static void __init init_cpu_hwcaps_indirect_list(void) +static void __init init_cpucap_indirect_list(void) { - init_cpu_hwcaps_indirect_list_from_array(arm64_features); - init_cpu_hwcaps_indirect_list_from_array(arm64_errata); + init_cpucap_indirect_list_from_array(arm64_features); + init_cpucap_indirect_list_from_array(arm64_errata); } static void __init setup_boot_cpu_capabilities(void); @@ -1049,10 +1049,10 @@ void __init init_cpu_features(struct cpuinfo_arm64 *info) init_cpu_ftr_reg(SYS_GMID_EL1, info->reg_gmid); /* - * Initialize the indirect array of CPU hwcaps capabilities pointers - * before we handle the boot CPU below. + * Initialize the indirect array of CPU capabilities pointers before we + * handle the boot CPU below. */ - init_cpu_hwcaps_indirect_list(); + init_cpucap_indirect_list(); /* * Detect and enable early CPU capabilities based on the boot CPU, @@ -2048,9 +2048,9 @@ static bool has_address_auth_cpucap(const struct arm64_cpu_capabilities *entry, static bool has_address_auth_metacap(const struct arm64_cpu_capabilities *entry, int scope) { - bool api = has_address_auth_cpucap(cpu_hwcaps_ptrs[ARM64_HAS_ADDRESS_AUTH_IMP_DEF], scope); - bool apa = has_address_auth_cpucap(cpu_hwcaps_ptrs[ARM64_HAS_ADDRESS_AUTH_ARCH_QARMA5], scope); - bool apa3 = has_address_auth_cpucap(cpu_hwcaps_ptrs[ARM64_HAS_ADDRESS_AUTH_ARCH_QARMA3], scope); + bool api = has_address_auth_cpucap(cpucap_ptrs[ARM64_HAS_ADDRESS_AUTH_IMP_DEF], scope); + bool apa = has_address_auth_cpucap(cpucap_ptrs[ARM64_HAS_ADDRESS_AUTH_ARCH_QARMA5], scope); + bool apa3 = has_address_auth_cpucap(cpucap_ptrs[ARM64_HAS_ADDRESS_AUTH_ARCH_QARMA3], scope); return apa || apa3 || api; } @@ -2895,7 +2895,7 @@ static void update_cpu_capabilities(u16 scope_mask) scope_mask &= ARM64_CPUCAP_SCOPE_MASK; for (i = 0; i < ARM64_NCAPS; i++) { - caps = cpu_hwcaps_ptrs[i]; + caps = cpucap_ptrs[i]; if (!caps || !(caps->type & scope_mask) || cpus_have_cap(caps->capability) || !caps->matches(caps, cpucap_default_scope(caps))) @@ -2920,7 +2920,7 @@ static int cpu_enable_non_boot_scope_capabilities(void *__unused) u16 non_boot_scope = SCOPE_ALL & ~SCOPE_BOOT_CPU; for_each_available_cap(i) { - const struct arm64_cpu_capabilities *cap = cpu_hwcaps_ptrs[i]; + const struct arm64_cpu_capabilities *cap = cpucap_ptrs[i]; if (WARN_ON(!cap)) continue; @@ -2950,7 +2950,7 @@ static void __init enable_cpu_capabilities(u16 scope_mask) for (i = 0; i < ARM64_NCAPS; i++) { unsigned int num; - caps = cpu_hwcaps_ptrs[i]; + caps = cpucap_ptrs[i]; if (!caps || !(caps->type & scope_mask)) continue; num = caps->capability; @@ -2995,7 +2995,7 @@ static void verify_local_cpu_caps(u16 scope_mask) scope_mask &= ARM64_CPUCAP_SCOPE_MASK; for (i = 0; i < ARM64_NCAPS; i++) { - caps = cpu_hwcaps_ptrs[i]; + caps = cpucap_ptrs[i]; if (!caps || !(caps->type & scope_mask)) continue; @@ -3194,7 +3194,7 @@ static void __init setup_boot_cpu_capabilities(void) bool this_cpu_has_cap(unsigned int n) { if (!WARN_ON(preemptible()) && n < ARM64_NCAPS) { - const struct arm64_cpu_capabilities *cap = cpu_hwcaps_ptrs[n]; + const struct arm64_cpu_capabilities *cap = cpucap_ptrs[n]; if (cap) return cap->matches(cap, SCOPE_LOCAL_CPU); @@ -3213,7 +3213,7 @@ EXPORT_SYMBOL_GPL(this_cpu_has_cap); static bool __maybe_unused __system_matches_cap(unsigned int n) { if (n < ARM64_NCAPS) { - const struct arm64_cpu_capabilities *cap = cpu_hwcaps_ptrs[n]; + const struct arm64_cpu_capabilities *cap = cpucap_ptrs[n]; if (cap) return cap->matches(cap, SCOPE_SYSTEM); -- cgit