Re: [libvirt PATCH v2 1/8] qemu: Use switch statement in qemuBuildCpuCommandLine()

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On Fri, Feb 07, 2020 at 03:27:01PM +0100, Andrea Bolognani wrote:
> Make sure we are taking all possible virDomainTimerNameType values
> into account. This will make upcoming changes easier.
> 
> Signed-off-by: Andrea Bolognani <abologna@xxxxxxxxxx>
> ---
>  src/qemu/qemu_command.c | 34 ++++++++++++++++++++++++----------
>  1 file changed, 24 insertions(+), 10 deletions(-)
> 
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index 0dbd78124b..52a74c7acf 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -6594,16 +6594,30 @@ qemuBuildCpuCommandLine(virCommandPtr cmd,
>      for (i = 0; i < def->clock.ntimers; i++) {
>          virDomainTimerDefPtr timer = def->clock.timers[i];
>  
> -        if (timer->name == VIR_DOMAIN_TIMER_NAME_KVMCLOCK &&
> -            timer->present != -1) {
> -            qemuBuildCpuFeature(qemuCaps, &buf, "kvmclock",
> -                                !!timer->present);
> -        } else if (timer->name == VIR_DOMAIN_TIMER_NAME_HYPERVCLOCK &&
> -                   timer->present == 1) {
> -            virBufferAddLit(&buf, ",hv-time");
> -        } else if (timer->name == VIR_DOMAIN_TIMER_NAME_TSC &&
> -                   timer->frequency > 0) {
> -            virBufferAsprintf(&buf, ",tsc-frequency=%lu", timer->frequency);
> +        switch ((virDomainTimerNameType)timer->name) {
> +        case VIR_DOMAIN_TIMER_NAME_KVMCLOCK:
> +            if (timer->present != -1) {
> +                qemuBuildCpuFeature(qemuCaps, &buf, "kvmclock",
> +                                    !!timer->present);
> +            }
> +            break;
> +        case VIR_DOMAIN_TIMER_NAME_HYPERVCLOCK:
> +            if (timer->present == 1)
> +                virBufferAddLit(&buf, ",hv-time");
> +            break;
> +        case VIR_DOMAIN_TIMER_NAME_TSC:
> +            if (timer->frequency > 0)
> +                virBufferAsprintf(&buf, ",tsc-frequency=%lu", timer->frequency);
> +            break;
> +        case VIR_DOMAIN_TIMER_NAME_PLATFORM:
> +        case VIR_DOMAIN_TIMER_NAME_PIT:
> +        case VIR_DOMAIN_TIMER_NAME_RTC:
> +        case VIR_DOMAIN_TIMER_NAME_HPET:
> +            break;
> +        case VIR_DOMAIN_TIMER_NAME_LAST:
> +        default:
> +            virReportEnumRangeError(virDomainTimerNameType, timer->name);
> +            return -1;
>          }
>      }
>  
> -- 

Reviewed-by: Masayoshi Mizuma <m.mizuma@xxxxxxxxxxxxxx>






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