diff options
| -rw-r--r-- | arch/arm64/include/asm/kvm_arm.h | 2 | ||||
| -rw-r--r-- | arch/arm64/kernel/head.S | 2 | ||||
| -rw-r--r-- | arch/arm64/kvm/arm.c | 6 |
3 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h index e500600e4b9b..752e3e1604e8 100644 --- a/arch/arm64/include/asm/kvm_arm.h +++ b/arch/arm64/include/asm/kvm_arm.h @@ -101,7 +101,7 @@ HCR_BSU_IS | HCR_FB | HCR_TACR | \ HCR_AMO | HCR_SWIO | HCR_TIDCP | HCR_RW | HCR_TLOR | \ HCR_FMO | HCR_IMO | HCR_PTW | HCR_TID3 | HCR_TID1) -#define HCR_HOST_NVHE_FLAGS (HCR_RW | HCR_API | HCR_APK | HCR_ATA) +#define HCR_HOST_NVHE_FLAGS (HCR_RW | HCR_API | HCR_APK) #define HCR_HOST_NVHE_PROTECTED_FLAGS (HCR_HOST_NVHE_FLAGS | HCR_TSC) #define HCR_HOST_VHE_FLAGS (HCR_RW | HCR_TGE | HCR_E2H | HCR_AMO | HCR_IMO | HCR_FMO) diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index ca04b338cb0d..87a822e5c4ca 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -299,7 +299,7 @@ SYM_INNER_LABEL(init_el2, SYM_L_LOCAL) isb 0: - init_el2_hcr HCR_HOST_NVHE_FLAGS + init_el2_hcr HCR_HOST_NVHE_FLAGS | HCR_ATA init_el2_state /* Hypervisor stub */ diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 4f80da0c0d1d..aeac113e5e74 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -2044,6 +2044,12 @@ static void __init cpu_prepare_hyp_mode(int cpu, u32 hyp_va_bits) params->hcr_el2 = HCR_HOST_NVHE_PROTECTED_FLAGS; else params->hcr_el2 = HCR_HOST_NVHE_FLAGS; + + if (system_supports_mte()) + params->hcr_el2 |= HCR_ATA; + else + params->hcr_el2 |= HCR_TID5; + if (cpus_have_final_cap(ARM64_KVM_HVHE)) params->hcr_el2 |= HCR_E2H; params->vttbr = params->vtcr = 0; |