On Mon, Aug 17, 2020 at 11:37:29AM +0800, Keqian Zhu wrote:
> There is a lock version kvm_write_guest. Use it to simplify code.
>
> Signed-off-by: Keqian Zhu <zhukeqian1@xxxxxxxxxx>
> ---
> arch/arm64/kvm/pvtime.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> 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;
> }
> --
> 1.8.3.1
>
Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
