Re: [PATCH v2 15/21] arm64: KVM: VHE: Use unified sysreg accessors for timer

From: Christoffer Dall
Date: Mon Feb 01 2016 - 09:22:58 EST


On Mon, Jan 25, 2016 at 03:53:49PM +0000, Marc Zyngier wrote:
> Switch the timer code to the unified sysreg accessors.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>

Reviewed-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx>

> ---
> arch/arm64/kvm/hyp/timer-sr.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm64/kvm/hyp/timer-sr.c b/arch/arm64/kvm/hyp/timer-sr.c
> index 1051e5d..f276d9e 100644
> --- a/arch/arm64/kvm/hyp/timer-sr.c
> +++ b/arch/arm64/kvm/hyp/timer-sr.c
> @@ -31,12 +31,12 @@ void __hyp_text __timer_save_state(struct kvm_vcpu *vcpu)
> u64 val;
>
> if (kvm->arch.timer.enabled) {
> - timer->cntv_ctl = read_sysreg(cntv_ctl_el0);
> - timer->cntv_cval = read_sysreg(cntv_cval_el0);
> + timer->cntv_ctl = read_sysreg_el0(cntv_ctl);
> + timer->cntv_cval = read_sysreg_el0(cntv_cval);
> }
>
> /* Disable the virtual timer */
> - write_sysreg(0, cntv_ctl_el0);
> + write_sysreg_el0(0, cntv_ctl);
>
> /* Allow physical timer/counter access for the host */
> val = read_sysreg(cnthctl_el2);
> @@ -64,8 +64,8 @@ void __hyp_text __timer_restore_state(struct kvm_vcpu *vcpu)
>
> if (kvm->arch.timer.enabled) {
> write_sysreg(kvm->arch.timer.cntvoff, cntvoff_el2);
> - write_sysreg(timer->cntv_cval, cntv_cval_el0);
> + write_sysreg_el0(timer->cntv_cval, cntv_cval);
> isb();
> - write_sysreg(timer->cntv_ctl, cntv_ctl_el0);
> + write_sysreg_el0(timer->cntv_ctl, cntv_ctl);
> }
> }
> --
> 2.1.4
>