tree 3f78e7d4a4e03ec6c81616239bad7a2dde205cf0
parent e0ad0b477c36fde6b0923670647495d07bf42f94
author Christian Borntraeger <borntraeger@de.ibm.com> 1408459556 +0200
committer Paolo Bonzini <pbonzini@redhat.com> 1408621822 +0200

KVM: avoid unnecessary synchronize_rcu

We dont have to wait for a grace period if there is no oldpid that
we are going to free. putpid also checks for NULL, so this patch
only fences synchronize_rcu.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>