diff options
Diffstat (limited to 'arch/mips/kvm/mips.c')
| -rw-r--r-- | arch/mips/kvm/mips.c | 43 |
1 files changed, 2 insertions, 41 deletions
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 85bc54f35695e..1733877d8a537 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -410,32 +410,6 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, return -ENOIOCTLCMD; } -/* Must be called with preemption disabled, just before entering guest */ -static void kvm_mips_check_asids(struct kvm_vcpu *vcpu) -{ - struct mm_struct *user_mm = &vcpu->arch.guest_user_mm; - struct mips_coproc *cop0 = vcpu->arch.cop0; - int i, cpu = smp_processor_id(); - unsigned int gasid; - - /* - * Lazy host ASID regeneration for guest user mode. - * If the guest ASID has changed since the last guest usermode - * execution, regenerate the host ASID so as to invalidate stale TLB - * entries. - */ - if (!KVM_GUEST_KERNEL_MODE(vcpu)) { - gasid = kvm_read_c0_guest_entryhi(cop0) & KVM_ENTRYHI_ASID; - if (gasid != vcpu->arch.last_user_gasid) { - kvm_get_new_mmu_context(user_mm, cpu, vcpu); - for_each_possible_cpu(i) - if (i != cpu) - cpu_context(i, user_mm) = 0; - vcpu->arch.last_user_gasid = gasid; - } - } -} - int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) { int r = 0; @@ -453,25 +427,12 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) lose_fpu(1); local_irq_disable(); - /* Check if we have any exceptions/interrupts pending */ - kvm_mips_deliver_interrupts(vcpu, - kvm_read_c0_guest_cause(vcpu->arch.cop0)); - guest_enter_irqoff(); - - /* Disable hardware page table walking while in guest */ - htw_stop(); - trace_kvm_enter(vcpu); - kvm_mips_check_asids(vcpu); + r = kvm_mips_callbacks->vcpu_run(run, vcpu); - r = vcpu->arch.vcpu_run(run, vcpu); trace_kvm_out(vcpu); - - /* Re-enable HTW before enabling interrupts */ - htw_start(); - guest_exit_irqoff(); local_irq_enable(); @@ -1570,7 +1531,7 @@ skip_emul: if (ret == RESUME_GUEST) { trace_kvm_reenter(vcpu); - kvm_mips_check_asids(vcpu); + kvm_mips_callbacks->vcpu_reenter(run, vcpu); /* * If FPU / MSA are enabled (i.e. the guest's FPU / MSA context |