From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Mon, 17 Oct 2016 15:15:50 +0000 (+0000)
Subject: KVM: PPC: Book3S HV: Use list_move_tail instead of list_del/list_add_tail
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=28d057c8970d394fe048f0b2b9f203889110f165;p=linux.git

KVM: PPC: Book3S HV: Use list_move_tail instead of list_del/list_add_tail

Using list_move_tail() instead of list_del() + list_add_tail().

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
---

diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 3686471be32bd..415943198e0f8 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -2123,8 +2123,7 @@ static bool can_dynamic_split(struct kvmppc_vcore *vc, struct core_info *cip)
 	cip->subcore_threads[sub] = vc->num_threads;
 	cip->subcore_vm[sub] = vc->kvm;
 	init_master_vcore(vc);
-	list_del(&vc->preempt_list);
-	list_add_tail(&vc->preempt_list, &cip->vcs[sub]);
+	list_move_tail(&vc->preempt_list, &cip->vcs[sub]);
 
 	return true;
 }