Esempio n. 1
0
/*
 * Called directly before VMRUN.  Checks if the VCPU needs a new ASID,
 * assigns it, and if required, issues required TLB flushes.
 */
asmlinkage void svm_asid_handle_vmrun(void)
{
    struct vcpu *curr = current;
    bool_t need_flush = hvm_asid_handle_vmenter();

    /* ASID 0 indicates that ASIDs are disabled. */
    if ( curr->arch.hvm_vcpu.asid == 0 )
    {
        curr->arch.hvm_svm.vmcb->guest_asid  = 1;
        curr->arch.hvm_svm.vmcb->tlb_control = 1;
        return;
    }

    curr->arch.hvm_svm.vmcb->guest_asid  = curr->arch.hvm_vcpu.asid;
    curr->arch.hvm_svm.vmcb->tlb_control = need_flush;
}
Esempio n. 2
0
/*
 * Called directly before VMRUN.  Checks if the VCPU needs a new ASID,
 * assigns it, and if required, issues required TLB flushes.
 */
asmlinkage void svm_asid_handle_vmrun(void)
{
    struct vcpu *curr = current;
    struct vmcb_struct *vmcb = curr->arch.hvm_svm.vmcb;
    bool_t need_flush = hvm_asid_handle_vmenter();

    /* ASID 0 indicates that ASIDs are disabled. */
    if ( curr->arch.hvm_vcpu.asid == 0 )
    {
        vmcb_set_guest_asid(vmcb, 1);
        vmcb->tlb_control = 1;
        return;
    }

    vmcb_set_guest_asid(vmcb, curr->arch.hvm_vcpu.asid);
    vmcb->tlb_control = need_flush;
}