diff options
Diffstat (limited to 'arch/mips/kvm/mips.c')
| -rw-r--r-- | arch/mips/kvm/mips.c | 34 |
1 files changed, 1 insertions, 33 deletions
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index c369fdd19fbc..c4fc52e39f34 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -92,28 +92,10 @@ void kvm_arch_check_processor_compat(void *rtn) *(int *)rtn = 0; } -static void kvm_mips_init_tlbs(struct kvm *kvm) -{ - unsigned long wired; - - /* - * Add a wired entry to the TLB, it is used to map the commpage to - * the Guest kernel - */ - wired = read_c0_wired(); - write_c0_wired(wired + 1); - mtc0_tlbw_hazard(); - kvm->arch.commpage_tlb = wired; - - kvm_debug("[%d] commpage TLB: %d\n", smp_processor_id(), - kvm->arch.commpage_tlb); -} - static void kvm_mips_init_vm_percpu(void *arg) { struct kvm *kvm = (struct kvm *)arg; - kvm_mips_init_tlbs(kvm); kvm_mips_callbacks->vm_init(kvm); } @@ -165,25 +147,11 @@ void kvm_mips_free_vcpus(struct kvm *kvm) mutex_unlock(&kvm->lock); } -static void kvm_mips_uninit_tlbs(void *arg) -{ - /* Restore wired count */ - write_c0_wired(0); - mtc0_tlbw_hazard(); - /* Clear out all the TLBs */ - kvm_local_flush_tlb_all(); -} - void kvm_arch_destroy_vm(struct kvm *kvm) { kvm_mips_free_vcpus(kvm); - /* If this is the last instance, restore wired count */ - if (atomic_dec_return(&kvm_mips_instance) == 0) { - kvm_debug("%s: last KVM instance, restoring TLB parameters\n", - __func__); - on_each_cpu(kvm_mips_uninit_tlbs, NULL, 1); - } + atomic_dec(&kvm_mips_instance); } long kvm_arch_dev_ioctl(struct file *filp, unsigned int ioctl, |