> +void mlx5e_fill_hwstamp(struct mlx5e_tstamp *tstamp,
> + struct skb_shared_hwtstamps *hwts,
> + u64 timestamp)
> +{
> + unsigned long flags;
> + u64 nsec;
> +
> + memset(hwts, 0, sizeof(struct skb_shared_hwtstamps));
> + read_lock_irqsave(&tstamp->lock, flags);
Richard and others,
Any special reason to use read_lock_irqsave and not just read_lock?
On second thought could not see any good reason for that,
but saw many other examples which uses irqsave.
thanks,
Eran
> + nsec = timecounter_cyc2time(&tstamp->clock, timestamp);
> + read_unlock_irqrestore(&tstamp->lock, flags);
> +
> + hwts->hwtstamp = ns_to_ktime(nsec);
> +}
> +
> +static cycle_t mlx5e_read_clock(const struct cyclecounter *cc)
> +{
> + struct mlx5e_tstamp *tstamp = container_of(cc, struct mlx5e_tstamp,
> + cycles);
> + struct mlx5e_priv *priv = container_of(tstamp, struct mlx5e_priv,
> + tstamp);
> +
> + return mlx5_core_read_clock(priv->mdev) & cc->mask;
> +}
> +
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