KVM: SVM: Remove unneeded WBINVD and DF_FLUSH when starting SEV guests

[linux-2.6-microblaze.git] / arch / x86 / kvm / svm.c

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 1d21768..389dfd7 100644 (file)
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -6329,21 +6329,6 @@ static int sev_bind_asid(struct kvm *kvm, unsigned int handle, int *error)
        int asid = sev_get_asid(kvm);
        int ret;
 
-       /*
-        * Guard against a DEACTIVATE command before the DF_FLUSH command
-        * has completed.
-        */
-       mutex_lock(&sev_deactivate_lock);
-
-       wbinvd_on_all_cpus();
-
-       ret = sev_guest_df_flush(error);
-
-       mutex_unlock(&sev_deactivate_lock);
-
-       if (ret)
-               return ret;
-
        data = kzalloc(sizeof(*data), GFP_KERNEL_ACCOUNT);
        if (!data)
                return -ENOMEM;