diff options
| author | Keqian Zhu <zhukeqian1@huawei.com> | 2020-08-17 19:07:28 +0800 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-12-03 19:02:18 +0000 |
| commit | 652d0b701d136ede6bc8a977b3abbe2d420226b9 (patch) | |
| tree | a13bbcef2ce8cd310d58ea36dc70aeae379b7a70 /arch/arm64/kvm | |
| parent | 94558543213ae8c83be5d01b83c1fe7530e8a1a0 (diff) | |
KVM: arm64: Use kvm_write_guest_lock when init stolen time
There is a lock version kvm_write_guest. Use it to simplify code.
Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://lore.kernel.org/r/20200817110728.12196-3-zhukeqian1@huawei.com
Diffstat (limited to 'arch/arm64/kvm')
| -rw-r--r-- | arch/arm64/kvm/pvtime.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/arm64/kvm/pvtime.c b/arch/arm64/kvm/pvtime.c index 920ac43077ad..78a09f7a6637 100644 --- a/arch/arm64/kvm/pvtime.c +++ b/arch/arm64/kvm/pvtime.c @@ -53,7 +53,6 @@ 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; @@ -63,10 +62,7 @@ gpa_t kvm_init_stolen_time(struct kvm_vcpu *vcpu) * the feature enabled. */ 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; } |