{ "mmu_recycled", VM_STAT(mmu_recycled) },
{ "mmu_cache_miss", VM_STAT(mmu_cache_miss) },
{ "mmu_unsync", VM_STAT(mmu_unsync) },
- { "mmu_unsync_global", VM_STAT(mmu_unsync_global) },
{ "remote_tlb_flush", VM_STAT(remote_tlb_flush) },
{ "largepages", VM_STAT(lpages) },
{ NULL }
kvm_x86_ops->set_cr0(vcpu, cr0);
vcpu->arch.cr0 = cr0;
- kvm_mmu_sync_global(vcpu);
kvm_mmu_reset_context(vcpu);
return;
}
kvm_x86_ops->set_cr4(vcpu, cr4);
vcpu->arch.cr4 = cr4;
vcpu->arch.mmu.base_role.cr4_pge = (cr4 & X86_CR4_PGE) && !tdp_enabled;
- kvm_mmu_sync_global(vcpu);
kvm_mmu_reset_context(vcpu);
}
EXPORT_SYMBOL_GPL(kvm_set_cr4);
unsigned long flags;
struct kvm_vcpu_arch *vcpu = &v->arch;
void *shared_kaddr;
+ unsigned long this_tsc_khz;
if ((!vcpu->time_page))
return;
- preempt_disable();
- if (unlikely(vcpu->hv_clock_tsc_khz != __get_cpu_var(cpu_tsc_khz))) {
- kvm_set_time_scale(__get_cpu_var(cpu_tsc_khz), &vcpu->hv_clock);
- vcpu->hv_clock_tsc_khz = __get_cpu_var(cpu_tsc_khz);
+ this_tsc_khz = get_cpu_var(cpu_tsc_khz);
+ if (unlikely(vcpu->hv_clock_tsc_khz != this_tsc_khz)) {
+ kvm_set_time_scale(this_tsc_khz, &vcpu->hv_clock);
+ vcpu->hv_clock_tsc_khz = this_tsc_khz;
}
- preempt_enable();
+ put_cpu_var(cpu_tsc_khz);
/* Keep irq disabled to prevent changes to the clock */
local_irq_save(flags);
}
}
+ if (emulation_type & EMULTYPE_SKIP) {
+ kvm_rip_write(vcpu, vcpu->arch.emulate_ctxt.decode.eip);
+ return EMULATE_DONE;
+ }
+
r = x86_emulate_insn(&vcpu->arch.emulate_ctxt, &emulate_ops);
if (vcpu->arch.pio.string)
kvm_x86_ops->set_rflags(vcpu, eflags & ~X86_EFLAGS_NT);
}
- kvm_x86_ops->skip_emulated_instruction(vcpu);
+ /* set back link to prev task only if NT bit is set in eflags
+ note that old_tss_sel is not used afetr this point */
+ if (reason != TASK_SWITCH_CALL && reason != TASK_SWITCH_GATE)
+ old_tss_sel = 0xffff;
/* set back link to prev task only if NT bit is set in eflags
note that old_tss_sel is not used afetr this point */
vcpu->arch.cr2 = sregs->cr2;
mmu_reset_needed |= vcpu->arch.cr3 != sregs->cr3;
- vcpu->arch.cr3 = sregs->cr3;
+
+ down_read(&vcpu->kvm->slots_lock);
+ if (gfn_to_memslot(vcpu->kvm, sregs->cr3 >> PAGE_SHIFT))
+ vcpu->arch.cr3 = sregs->cr3;
+ else
+ set_bit(KVM_REQ_TRIPLE_FAULT, &vcpu->requests);
+ up_read(&vcpu->kvm->slots_lock);
kvm_set_cr8(vcpu, sregs->cr8);
return ERR_PTR(-ENOMEM);
INIT_LIST_HEAD(&kvm->arch.active_mmu_pages);
- INIT_LIST_HEAD(&kvm->arch.oos_global_pages);
INIT_LIST_HEAD(&kvm->arch.assigned_dev_head);
/* Reserve bit 0 of irq_sources_bitmap for userspace irq source */