Set the corresponding bit to enable hardware accelerated dirty-bitmap and dirty-ring cleaning for arm64. Actually using acceleration depends on the cpus enabling FEAT_HACDBS as well as the pre-requisite features for it, such as FEAT_HDBSS and FEAT_HAFDBS. Signed-off-by: Leonardo Bras --- arch/arm64/kvm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig index 449154f9a485..db8487bf738b 100644 --- a/arch/arm64/kvm/Kconfig +++ b/arch/arm64/kvm/Kconfig @@ -27,20 +27,21 @@ menuconfig KVM select VIRT_XFER_TO_GUEST_WORK select KVM_VFIO select HAVE_KVM_DIRTY_RING_ACQ_REL select NEED_KVM_DIRTY_RING_WITH_BITMAP select HAVE_KVM_MSI select HAVE_KVM_IRQCHIP select HAVE_KVM_IRQ_ROUTING select HAVE_KVM_IRQ_BYPASS select HAVE_KVM_READONLY_MEM select HAVE_KVM_VCPU_RUN_PID_CHANGE + select HAVE_KVM_HW_DIRTY_BIT if ACPI select SCHED_INFO select GUEST_PERF_EVENTS if PERF_EVENTS select KVM_GUEST_MEMFD help Support hosting virtualized guest machines. If unsure, say N. if KVM -- 2.54.0