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authorLinus Torvalds2020-06-12 11:05:52 -0700
committerLinus Torvalds2020-06-12 11:05:52 -0700
commit52cd0d972fa6491928add05f11f97a4a59babe92 (patch)
tree5e53cff155288b4d24c33754905bca4a8504b4bb /arch/arm64/kvm
parentd2d5439df22f3c2a07c5db582d4ef1b2b587ca27 (diff)
parent49b3deaad3452217d62dbd78da8df24eb0c7e169 (diff)
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull more KVM updates from Paolo Bonzini: "The guest side of the asynchronous page fault work has been delayed to 5.9 in order to sync with Thomas's interrupt entry rework, but here's the rest of the KVM updates for this merge window. MIPS: - Loongson port PPC: - Fixes ARM: - Fixes x86: - KVM_SET_USER_MEMORY_REGION optimizations - Fixes - Selftest fixes" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (62 commits) KVM: x86: do not pass poisoned hva to __kvm_set_memory_region KVM: selftests: fix sync_with_host() in smm_test KVM: async_pf: Inject 'page ready' event only if 'page not present' was previously injected KVM: async_pf: Cleanup kvm_setup_async_pf() kvm: i8254: remove redundant assignment to pointer s KVM: x86: respect singlestep when emulating instruction KVM: selftests: Don't probe KVM_CAP_HYPERV_ENLIGHTENED_VMCS when nested VMX is unsupported KVM: selftests: do not substitute SVM/VMX check with KVM_CAP_NESTED_STATE check KVM: nVMX: Consult only the "basic" exit reason when routing nested exit KVM: arm64: Move hyp_symbol_addr() to kvm_asm.h KVM: arm64: Synchronize sysreg state on injecting an AArch32 exception KVM: arm64: Make vcpu_cp1x() work on Big Endian hosts KVM: arm64: Remove host_cpu_context member from vcpu structure KVM: arm64: Stop sparse from moaning at __hyp_this_cpu_ptr KVM: arm64: Handle PtrAuth traps early KVM: x86: Unexport x86_fpu_cache and make it static KVM: selftests: Ignore KVM 5-level paging support for VM_MODE_PXXV48_4K KVM: arm64: Save the host's PtrAuth keys in non-preemptible context KVM: arm64: Stop save/restoring ACTLR_EL1 KVM: arm64: Add emulation for 32bit guests accessing ACTLR2 ...
Diffstat (limited to 'arch/arm64/kvm')
-rw-r--r--arch/arm64/kvm/aarch32.c28
-rw-r--r--arch/arm64/kvm/arm.c25
-rw-r--r--arch/arm64/kvm/handle_exit.c32
-rw-r--r--arch/arm64/kvm/hyp/debug-sr.c4
-rw-r--r--arch/arm64/kvm/hyp/switch.c65
-rw-r--r--arch/arm64/kvm/hyp/sysreg-sr.c8
-rw-r--r--arch/arm64/kvm/pmu.c8
-rw-r--r--arch/arm64/kvm/sys_regs.c25
-rw-r--r--arch/arm64/kvm/sys_regs_generic_v8.c10
9 files changed, 137 insertions, 68 deletions
diff --git a/arch/arm64/kvm/aarch32.c b/arch/arm64/kvm/aarch32.c
index 0a356aa91aa1..40a62a99fbf8 100644
--- a/arch/arm64/kvm/aarch32.c
+++ b/arch/arm64/kvm/aarch32.c
@@ -33,6 +33,26 @@ static const u8 return_offsets[8][2] = {
[7] = { 4, 4 }, /* FIQ, unused */
};
+static bool pre_fault_synchronize(struct kvm_vcpu *vcpu)
+{
+ preempt_disable();
+ if (vcpu->arch.sysregs_loaded_on_cpu) {
+ kvm_arch_vcpu_put(vcpu);
+ return true;
+ }
+
+ preempt_enable();
+ return false;
+}
+
+static void post_fault_synchronize(struct kvm_vcpu *vcpu, bool loaded)
+{
+ if (loaded) {
+ kvm_arch_vcpu_load(vcpu, smp_processor_id());
+ preempt_enable();
+ }
+}
+
/*
* When an exception is taken, most CPSR fields are left unchanged in the
* handler. However, some are explicitly overridden (e.g. M[4:0]).
@@ -155,7 +175,10 @@ static void prepare_fault32(struct kvm_vcpu *vcpu, u32 mode, u32 vect_offset)
void kvm_inject_undef32(struct kvm_vcpu *vcpu)
{
+ bool loaded = pre_fault_synchronize(vcpu);
+
prepare_fault32(vcpu, PSR_AA32_MODE_UND, 4);
+ post_fault_synchronize(vcpu, loaded);
}
/*
@@ -168,6 +191,9 @@ static void inject_abt32(struct kvm_vcpu *vcpu, bool is_pabt,
u32 vect_offset;
u32 *far, *fsr;
bool is_lpae;
+ bool loaded;
+
+ loaded = pre_fault_synchronize(vcpu);
if (is_pabt) {
vect_offset = 12;
@@ -191,6 +217,8 @@ static void inject_abt32(struct kvm_vcpu *vcpu, bool is_pabt,
/* no need to shuffle FS[4] into DFSR[10] as its 0 */
*fsr = DFSR_FSC_EXTABT_nLPAE;
}
+
+ post_fault_synchronize(vcpu, loaded);
}
void kvm_inject_dabt32(struct kvm_vcpu *vcpu, unsigned long addr)
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 7a57381c05e8..90cb90561446 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -144,11 +144,6 @@ out_fail_alloc:
return ret;
}
-int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu)
-{
- return 0;
-}
-
vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf)
{
return VM_FAULT_SIGBUS;
@@ -340,10 +335,8 @@ void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu)
void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
{
int *last_ran;
- kvm_host_data_t *cpu_data;
last_ran = this_cpu_ptr(vcpu->kvm->arch.last_vcpu_ran);
- cpu_data = this_cpu_ptr(&kvm_host_data);
/*
* We might get preempted before the vCPU actually runs, but
@@ -355,7 +348,6 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
}
vcpu->cpu = cpu;
- vcpu->arch.host_cpu_context = &cpu_data->host_ctxt;
kvm_vgic_load(vcpu);
kvm_timer_vcpu_load(vcpu);
@@ -370,7 +362,8 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
else
vcpu_set_wfx_traps(vcpu);
- vcpu_ptrauth_setup_lazy(vcpu);
+ if (vcpu_has_ptrauth(vcpu))
+ vcpu_ptrauth_disable(vcpu);
}
void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
@@ -990,11 +983,17 @@ static int kvm_arch_vcpu_ioctl_vcpu_init(struct kvm_vcpu *vcpu,
* Ensure a rebooted VM will fault in RAM pages and detect if the
* guest MMU is turned off and flush the caches as needed.
*
- * S2FWB enforces all memory accesses to RAM being cacheable, we
- * ensure that the cache is always coherent.
+ * S2FWB enforces all memory accesses to RAM being cacheable,
+ * ensuring that the data side is always coherent. We still
+ * need to invalidate the I-cache though, as FWB does *not*
+ * imply CTR_EL0.DIC.
*/
- if (vcpu->arch.has_run_once && !cpus_have_const_cap(ARM64_HAS_STAGE2_FWB))
- stage2_unmap_vm(vcpu->kvm);
+ if (vcpu->arch.has_run_once) {
+ if (!cpus_have_final_cap(ARM64_HAS_STAGE2_FWB))
+ stage2_unmap_vm(vcpu->kvm);
+ else
+ __flush_icache_all();
+ }
vcpu_reset_hcr(vcpu);
diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c
index eb194696ef62..5a02d4c90559 100644
--- a/arch/arm64/kvm/handle_exit.c
+++ b/arch/arm64/kvm/handle_exit.c
@@ -162,40 +162,14 @@ static int handle_sve(struct kvm_vcpu *vcpu, struct kvm_run *run)
return 1;
}
-#define __ptrauth_save_key(regs, key) \
-({ \
- regs[key ## KEYLO_EL1] = read_sysreg_s(SYS_ ## key ## KEYLO_EL1); \
- regs[key ## KEYHI_EL1] = read_sysreg_s(SYS_ ## key ## KEYHI_EL1); \
-})
-
-/*
- * Handle the guest trying to use a ptrauth instruction, or trying to access a
- * ptrauth register.
- */
-void kvm_arm_vcpu_ptrauth_trap(struct kvm_vcpu *vcpu)
-{
- struct kvm_cpu_context *ctxt;
-
- if (vcpu_has_ptrauth(vcpu)) {
- vcpu_ptrauth_enable(vcpu);
- ctxt = vcpu->arch.host_cpu_context;
- __ptrauth_save_key(ctxt->sys_regs, APIA);
- __ptrauth_save_key(ctxt->sys_regs, APIB);
- __ptrauth_save_key(ctxt->sys_regs, APDA);
- __ptrauth_save_key(ctxt->sys_regs, APDB);
- __ptrauth_save_key(ctxt->sys_regs, APGA);
- } else {
- kvm_inject_undefined(vcpu);
- }
-}
-
/*
* Guest usage of a ptrauth instruction (which the guest EL1 did not turn into
- * a NOP).
+ * a NOP). If we get here, it is that we didn't fixup ptrauth on exit, and all
+ * that we can do is give the guest an UNDEF.
*/
static int kvm_handle_ptrauth(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
- kvm_arm_vcpu_ptrauth_trap(vcpu);
+ kvm_inject_undefined(vcpu);
return 1;
}
diff --git a/arch/arm64/kvm/hyp/debug-sr.c b/arch/arm64/kvm/hyp/debug-sr.c
index 0fc9872a1467..e95af204fec7 100644
--- a/arch/arm64/kvm/hyp/debug-sr.c
+++ b/arch/arm64/kvm/hyp/debug-sr.c
@@ -185,7 +185,7 @@ void __hyp_text __debug_switch_to_guest(struct kvm_vcpu *vcpu)
if (!(vcpu->arch.flags & KVM_ARM64_DEBUG_DIRTY))
return;
- host_ctxt = kern_hyp_va(vcpu->arch.host_cpu_context);
+ host_ctxt = &__hyp_this_cpu_ptr(kvm_host_data)->host_ctxt;
guest_ctxt = &vcpu->arch.ctxt;
host_dbg = &vcpu->arch.host_debug_state.regs;
guest_dbg = kern_hyp_va(vcpu->arch.debug_ptr);
@@ -207,7 +207,7 @@ void __hyp_text __debug_switch_to_host(struct kvm_vcpu *vcpu)
if (!(vcpu->arch.flags & KVM_ARM64_DEBUG_DIRTY))
return;
- host_ctxt = kern_hyp_va(vcpu->arch.host_cpu_context);
+ host_ctxt = &__hyp_this_cpu_ptr(kvm_host_data)->host_ctxt;
guest_ctxt = &vcpu->arch.ctxt;
host_dbg = &vcpu->arch.host_debug_state.regs;
guest_dbg = kern_hyp_va(vcpu->arch.debug_ptr);
diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c
index 676b6585e5ae..db1c4487d95d 100644
--- a/arch/arm64/kvm/hyp/switch.c
+++ b/arch/arm64/kvm/hyp/switch.c
@@ -490,6 +490,64 @@ static bool __hyp_text handle_tx2_tvm(struct kvm_vcpu *vcpu)
return true;
}
+static bool __hyp_text esr_is_ptrauth_trap(u32 esr)
+{
+ u32 ec = ESR_ELx_EC(esr);
+
+ if (ec == ESR_ELx_EC_PAC)
+ return true;
+
+ if (ec != ESR_ELx_EC_SYS64)
+ return false;
+
+ switch (esr_sys64_to_sysreg(esr)) {
+ case SYS_APIAKEYLO_EL1:
+ case SYS_APIAKEYHI_EL1:
+ case SYS_APIBKEYLO_EL1:
+ case SYS_APIBKEYHI_EL1:
+ case SYS_APDAKEYLO_EL1:
+ case SYS_APDAKEYHI_EL1:
+ case SYS_APDBKEYLO_EL1:
+ case SYS_APDBKEYHI_EL1:
+ case SYS_APGAKEYLO_EL1:
+ case SYS_APGAKEYHI_EL1:
+ return true;
+ }
+
+ return false;
+}
+
+#define __ptrauth_save_key(regs, key) \
+({ \
+ regs[key ## KEYLO_EL1] = read_sysreg_s(SYS_ ## key ## KEYLO_EL1); \
+ regs[key ## KEYHI_EL1] = read_sysreg_s(SYS_ ## key ## KEYHI_EL1); \
+})
+
+static bool __hyp_text __hyp_handle_ptrauth(struct kvm_vcpu *vcpu)
+{
+ struct kvm_cpu_context *ctxt;
+ u64 val;
+
+ if (!vcpu_has_ptrauth(vcpu) ||
+ !esr_is_ptrauth_trap(kvm_vcpu_get_hsr(vcpu)))
+ return false;
+
+ ctxt = &__hyp_this_cpu_ptr(kvm_host_data)->host_ctxt;
+ __ptrauth_save_key(ctxt->sys_regs, APIA);
+ __ptrauth_save_key(ctxt->sys_regs, APIB);
+ __ptrauth_save_key(ctxt->sys_regs, APDA);
+ __ptrauth_save_key(ctxt->sys_regs, APDB);
+ __ptrauth_save_key(ctxt->sys_regs, APGA);
+
+ vcpu_ptrauth_enable(vcpu);
+
+ val = read_sysreg(hcr_el2);
+ val |= (HCR_API | HCR_APK);
+ write_sysreg(val, hcr_el2);
+
+ return true;
+}
+
/*
* Return true when we were able to fixup the guest exit and should return to
* the guest, false when we should restore the host state and return to the
@@ -524,6 +582,9 @@ static bool __hyp_text fixup_guest_exit(struct kvm_vcpu *vcpu, u64 *exit_code)
if (__hyp_handle_fpsimd(vcpu))
return true;
+ if (__hyp_handle_ptrauth(vcpu))
+ return true;
+
if (!__populate_fault_info(vcpu))
return true;
@@ -642,7 +703,7 @@ static int __kvm_vcpu_run_vhe(struct kvm_vcpu *vcpu)
struct kvm_cpu_context *guest_ctxt;
u64 exit_code;
- host_ctxt = vcpu->arch.host_cpu_context;
+ host_ctxt = &__hyp_this_cpu_ptr(kvm_host_data)->host_ctxt;
host_ctxt->__hyp_running_vcpu = vcpu;
guest_ctxt = &vcpu->arch.ctxt;
@@ -747,7 +808,7 @@ int __hyp_text __kvm_vcpu_run_nvhe(struct kvm_vcpu *vcpu)
vcpu = kern_hyp_va(vcpu);
- host_ctxt = kern_hyp_va(vcpu->arch.host_cpu_context);
+ host_ctxt = &__hyp_this_cpu_ptr(kvm_host_data)->host_ctxt;
host_ctxt->__hyp_running_vcpu = vcpu;
guest_ctxt = &vcpu->arch.ctxt;
diff --git a/arch/arm64/kvm/hyp/sysreg-sr.c b/arch/arm64/kvm/hyp/sysreg-sr.c
index ea5d22fbdacf..cc7e957f5b2c 100644
--- a/arch/arm64/kvm/hyp/sysreg-sr.c
+++ b/arch/arm64/kvm/hyp/sysreg-sr.c
@@ -39,7 +39,6 @@ static void __hyp_text __sysreg_save_el1_state(struct kvm_cpu_context *ctxt)
{
ctxt->sys_regs[CSSELR_EL1] = read_sysreg(csselr_el1);
ctxt->sys_regs[SCTLR_EL1] = read_sysreg_el1(SYS_SCTLR);
- ctxt->sys_regs[ACTLR_EL1] = read_sysreg(actlr_el1);
ctxt->sys_regs[CPACR_EL1] = read_sysreg_el1(SYS_CPACR);
ctxt->sys_regs[TTBR0_EL1] = read_sysreg_el1(SYS_TTBR0);
ctxt->sys_regs[TTBR1_EL1] = read_sysreg_el1(SYS_TTBR1);
@@ -123,7 +122,6 @@ static void __hyp_text __sysreg_restore_el1_state(struct kvm_cpu_context *ctxt)
isb();
}
- write_sysreg(ctxt->sys_regs[ACTLR_EL1], actlr_el1);
write_sysreg_el1(ctxt->sys_regs[CPACR_EL1], SYS_CPACR);
write_sysreg_el1(ctxt->sys_regs[TTBR0_EL1], SYS_TTBR0);
write_sysreg_el1(ctxt->sys_regs[TTBR1_EL1], SYS_TTBR1);
@@ -267,12 +265,13 @@ void __hyp_text __sysreg32_restore_state(struct kvm_vcpu *vcpu)
*/
void kvm_vcpu_load_sysregs(struct kvm_vcpu *vcpu)
{
- struct kvm_cpu_context *host_ctxt = vcpu->arch.host_cpu_context;
struct kvm_cpu_context *guest_ctxt = &vcpu->arch.ctxt;
+ struct kvm_cpu_context *host_ctxt;
if (!has_vhe())
return;
+ host_ctxt = &__hyp_this_cpu_ptr(kvm_host_data)->host_ctxt;
__sysreg_save_user_state(host_ctxt);
/*
@@ -303,12 +302,13 @@ void kvm_vcpu_load_sysregs(struct kvm_vcpu *vcpu)
*/
void kvm_vcpu_put_sysregs(struct kvm_vcpu *vcpu)
{
- struct kvm_cpu_context *host_ctxt = vcpu->arch.host_cpu_context;
struct kvm_cpu_context *guest_ctxt = &vcpu->arch.ctxt;
+ struct kvm_cpu_context *host_ctxt;
if (!has_vhe())
return;
+ host_ctxt = &__hyp_this_cpu_ptr(kvm_host_data)->host_ctxt;
deactivate_traps_vhe_put();
__sysreg_save_el1_state(guest_ctxt);
diff --git a/arch/arm64/kvm/pmu.c b/arch/arm64/kvm/pmu.c
index e71d00bb5271..b5ae3a5d509e 100644
--- a/arch/arm64/kvm/pmu.c
+++ b/arch/arm64/kvm/pmu.c
@@ -163,15 +163,13 @@ static void kvm_vcpu_pmu_disable_el0(unsigned long events)
*/
void kvm_vcpu_pmu_restore_guest(struct kvm_vcpu *vcpu)
{
- struct kvm_cpu_context *host_ctxt;
struct kvm_host_data *host;
u32 events_guest, events_host;
if (!has_vhe())
return;
- host_ctxt = vcpu->arch.host_cpu_context;
- host = container_of(host_ctxt, struct kvm_host_data, host_ctxt);
+ host = this_cpu_ptr(&kvm_host_data);
events_guest = host->pmu_events.events_guest;
events_host = host->pmu_events.events_host;
@@ -184,15 +182,13 @@ void kvm_vcpu_pmu_restore_guest(struct kvm_vcpu *vcpu)
*/
void kvm_vcpu_pmu_restore_host(struct kvm_vcpu *vcpu)
{
- struct kvm_cpu_context *host_ctxt;
struct kvm_host_data *host;
u32 events_guest, events_host;
if (!has_vhe())
return;
- host_ctxt = vcpu->arch.host_cpu_context;
- host = container_of(host_ctxt, struct kvm_host_data, host_ctxt);
+ host = this_cpu_ptr(&kvm_host_data);
events_guest = host->pmu_events.events_guest;
events_host = host->pmu_events.events_host;
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 80985439bfb2..baf5ce9225ce 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -78,7 +78,6 @@ static bool __vcpu_read_sys_reg_from_cpu(int reg, u64 *val)
switch (reg) {
case CSSELR_EL1: *val = read_sysreg_s(SYS_CSSELR_EL1); break;
case SCTLR_EL1: *val = read_sysreg_s(SYS_SCTLR_EL12); break;
- case ACTLR_EL1: *val = read_sysreg_s(SYS_ACTLR_EL1); break;
case CPACR_EL1: *val = read_sysreg_s(SYS_CPACR_EL12); break;
case TTBR0_EL1: *val = read_sysreg_s(SYS_TTBR0_EL12); break;
case TTBR1_EL1: *val = read_sysreg_s(SYS_TTBR1_EL12); break;
@@ -118,7 +117,6 @@ static bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg)
switch (reg) {
case CSSELR_EL1: write_sysreg_s(val, SYS_CSSELR_EL1); break;
case SCTLR_EL1: write_sysreg_s(val, SYS_SCTLR_EL12); break;
- case ACTLR_EL1: write_sysreg_s(val, SYS_ACTLR_EL1); break;
case CPACR_EL1: write_sysreg_s(val, SYS_CPACR_EL12); break;
case TTBR0_EL1: write_sysreg_s(val, SYS_TTBR0_EL12); break;
case TTBR1_EL1: write_sysreg_s(val, SYS_TTBR1_EL12); break;
@@ -1034,16 +1032,13 @@ static bool trap_ptrauth(struct kvm_vcpu *vcpu,
struct sys_reg_params *p,
const struct sys_reg_desc *rd)
{
- kvm_arm_vcpu_ptrauth_trap(vcpu);
-
/*
- * Return false for both cases as we never skip the trapped
- * instruction:
- *
- * - Either we re-execute the same key register access instruction
- * after enabling ptrauth.
- * - Or an UNDEF is injected as ptrauth is not supported/enabled.
+ * If we land here, that is because we didn't fixup the access on exit
+ * by allowing the PtrAuth sysregs. The only way this happens is when
+ * the guest does not have PtrAuth support enabled.
*/
+ kvm_inject_undefined(vcpu);
+
return false;
}
@@ -1319,10 +1314,16 @@ static bool access_clidr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
static bool access_csselr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
+ int reg = r->reg;
+
+ /* See the 32bit mapping in kvm_host.h */
+ if (p->is_aarch32)
+ reg = r->reg / 2;
+
if (p->is_write)
- vcpu_write_sys_reg(vcpu, p->regval, r->reg);
+ vcpu_write_sys_reg(vcpu, p->regval, reg);
else
- p->regval = vcpu_read_sys_reg(vcpu, r->reg);
+ p->regval = vcpu_read_sys_reg(vcpu, reg);
return true;
}
diff --git a/arch/arm64/kvm/sys_regs_generic_v8.c b/arch/arm64/kvm/sys_regs_generic_v8.c
index 9cb6b4c8355a..aa9d356451eb 100644
--- a/arch/arm64/kvm/sys_regs_generic_v8.c
+++ b/arch/arm64/kvm/sys_regs_generic_v8.c
@@ -27,6 +27,14 @@ static bool access_actlr(struct kvm_vcpu *vcpu,
return ignore_write(vcpu, p);
p->regval = vcpu_read_sys_reg(vcpu, ACTLR_EL1);
+
+ if (p->is_aarch32) {
+ if (r->Op2 & 2)
+ p->regval = upper_32_bits(p->regval);
+ else
+ p->regval = lower_32_bits(p->regval);
+ }
+
return true;
}
@@ -47,6 +55,8 @@ static const struct sys_reg_desc genericv8_cp15_regs[] = {
/* ACTLR */
{ Op1(0b000), CRn(0b0001), CRm(0b0000), Op2(0b001),
access_actlr },
+ { Op1(0b000), CRn(0b0001), CRm(0b0000), Op2(0b011),
+ access_actlr },
};
static struct kvm_sys_reg_target_table genericv8_target_table = {