cpus_have_const_cap(ARM64_SME);
}
+static __always_inline bool system_supports_sme2(void)
+{
+ return IS_ENABLED(CONFIG_ARM64_SME) &&
+ cpus_have_const_cap(ARM64_SME2);
+}
+
static __always_inline bool system_supports_fa64(void)
{
return IS_ENABLED(CONFIG_ARM64_SME) &&
static __always_inline bool system_uses_irq_prio_masking(void)
{
return IS_ENABLED(CONFIG_ARM64_PSEUDO_NMI) &&
- cpus_have_const_cap(ARM64_HAS_IRQ_PRIO_MASKING);
+ cpus_have_const_cap(ARM64_HAS_GIC_PRIO_MASKING);
}
static inline bool system_supports_mte(void)
if (!IS_ENABLED(CONFIG_ARM64_HW_AFDBM))
return false;
- mmfr1 = read_cpuid(ID_AA64MMFR1_EL1);
+ /*
+ * Use cached version to avoid emulated msr operation on KVM
+ * guests.
+ */
+ mmfr1 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1);
return cpuid_feature_extract_unsigned_field(mmfr1,
ID_AA64MMFR1_EL1_HAFDBS_SHIFT);
}