Re: [PATCH] xen: Use 'unsigned int' instead of 'unsigned'

From: Jan Beulich
Date: Mon Mar 02 2020 - 04:11:04 EST


On 29.02.2020 23:30, Yan Yankovskyi wrote:
> Resolve the following warning, reported by checkpatch.pl:
> WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
>
> No functional change.

IMO a change like this would ideally go a little further and try
to use the actually designated types when adjusting them anyway,
e.g. ...

> --- a/drivers/xen/events/events_2l.c
> +++ b/drivers/xen/events/events_2l.c
> @@ -42,48 +42,48 @@
>
> static DEFINE_PER_CPU(xen_ulong_t [EVTCHN_MASK_SIZE], cpu_evtchn_mask);
>
> -static unsigned evtchn_2l_max_channels(void)
> +static unsigned int evtchn_2l_max_channels(void)
> {
> return EVTCHN_2L_NR_CHANNELS;
> }
>
> -static void evtchn_2l_bind_to_cpu(struct irq_info *info, unsigned cpu)
> +static void evtchn_2l_bind_to_cpu(struct irq_info *info, unsigned int cpu)
> {
> clear_bit(info->evtchn, BM(per_cpu(cpu_evtchn_mask, info->cpu)));
> set_bit(info->evtchn, BM(per_cpu(cpu_evtchn_mask, cpu)));
> }
>
> -static void evtchn_2l_clear_pending(unsigned port)
> +static void evtchn_2l_clear_pending(unsigned int port)

... evtchn_port_t here and elsewhere.

Jan