diff mbox series

[v2,2/2] KVM: arm64: Use kvm_write_guest_lock when init stolen time

Message ID 20200817110728.12196-3-zhukeqian1@huawei.com (mailing list archive)
State New, archived
Headers show
Series KVM: arm64: Some fixes and code adjustments for pvtime ST | expand

Commit Message

zhukeqian Aug. 17, 2020, 11:07 a.m. UTC 
There is a lock version kvm_write_guest. Use it to simplify code.

Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Steven Price <steven.price@arm.com>
---
 arch/arm64/kvm/pvtime.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/kvm/pvtime.c b/arch/arm64/kvm/pvtime.c
index f7b52ce..2b24e7f 100644
--- a/arch/arm64/kvm/pvtime.c
+++ b/arch/arm64/kvm/pvtime.c
@@ -55,7 +55,6 @@  gpa_t kvm_init_stolen_time(struct kvm_vcpu *vcpu)
 	struct pvclock_vcpu_stolen_time init_values = {};
 	struct kvm *kvm = vcpu->kvm;
 	u64 base = vcpu->arch.steal.base;
-	int idx;
 
 	if (base == GPA_INVALID)
 		return base;
@@ -66,10 +65,7 @@  gpa_t kvm_init_stolen_time(struct kvm_vcpu *vcpu)
 	 */
 	vcpu->arch.steal.steal = 0;
 	vcpu->arch.steal.last_steal = current->sched_info.run_delay;
-
-	idx = srcu_read_lock(&kvm->srcu);
-	kvm_write_guest(kvm, base, &init_values, sizeof(init_values));
-	srcu_read_unlock(&kvm->srcu, idx);
+	kvm_write_guest_lock(kvm, base, &init_values, sizeof(init_values));
 
 	return base;
 }