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Diffstat (limited to 'arch/arm64/kvm/arm.c')
-rw-r--r--arch/arm64/kvm/arm.c26
1 files changed, 3 insertions, 23 deletions
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 48cafb65d6ac..a102c3aebdbc 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -69,7 +69,6 @@ DECLARE_KVM_NVHE_PER_CPU(struct kvm_cpu_context, kvm_hyp_ctxt);
static bool vgic_present, kvm_arm_initialised;
static DEFINE_PER_CPU(unsigned char, kvm_hyp_initialized);
-DEFINE_STATIC_KEY_FALSE(userspace_irqchip_in_use);
bool is_kvm_arm_initialised(void)
{
@@ -503,9 +502,6 @@ void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu)
void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
{
- if (vcpu_has_run_once(vcpu) && unlikely(!irqchip_in_kernel(vcpu->kvm)))
- static_branch_dec(&userspace_irqchip_in_use);
-
kvm_mmu_free_memory_cache(&vcpu->arch.mmu_page_cache);
kvm_timer_vcpu_terminate(vcpu);
kvm_pmu_vcpu_destroy(vcpu);
@@ -848,22 +844,6 @@ int kvm_arch_vcpu_run_pid_change(struct kvm_vcpu *vcpu)
return ret;
}
- if (!irqchip_in_kernel(kvm)) {
- /*
- * Tell the rest of the code that there are userspace irqchip
- * VMs in the wild.
- */
- static_branch_inc(&userspace_irqchip_in_use);
- }
-
- /*
- * Initialize traps for protected VMs.
- * NOTE: Move to run in EL2 directly, rather than via a hypercall, once
- * the code is in place for first run initialization at EL2.
- */
- if (kvm_vm_is_protected(kvm))
- kvm_call_hyp_nvhe(__pkvm_vcpu_init_traps, vcpu);
-
mutex_lock(&kvm->arch.config_lock);
set_bit(KVM_ARCH_FLAG_HAS_RAN_ONCE, &kvm->arch.flags);
mutex_unlock(&kvm->arch.config_lock);
@@ -1077,7 +1057,7 @@ static bool kvm_vcpu_exit_request(struct kvm_vcpu *vcpu, int *ret)
* state gets updated in kvm_timer_update_run and
* kvm_pmu_update_run below).
*/
- if (static_branch_unlikely(&userspace_irqchip_in_use)) {
+ if (unlikely(!irqchip_in_kernel(vcpu->kvm))) {
if (kvm_timer_should_notify_user(vcpu) ||
kvm_pmu_should_notify_user(vcpu)) {
*ret = -EINTR;
@@ -1199,7 +1179,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
vcpu->mode = OUTSIDE_GUEST_MODE;
isb(); /* Ensure work in x_flush_hwstate is committed */
kvm_pmu_sync_hwstate(vcpu);
- if (static_branch_unlikely(&userspace_irqchip_in_use))
+ if (unlikely(!irqchip_in_kernel(vcpu->kvm)))
kvm_timer_sync_user(vcpu);
kvm_vgic_sync_hwstate(vcpu);
local_irq_enable();
@@ -1245,7 +1225,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
* we don't want vtimer interrupts to race with syncing the
* timer virtual interrupt state.
*/
- if (static_branch_unlikely(&userspace_irqchip_in_use))
+ if (unlikely(!irqchip_in_kernel(vcpu->kvm)))
kvm_timer_sync_user(vcpu);
kvm_arch_vcpu_ctxsync_fp(vcpu);