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Date: Thu, 19 Dec 2019 16:27:11 -0800
From: Stephen Hemminger <stephen@networkplumber.org>
To: Alfredo Cardigliano <cardigliano@ntop.org>
Cc: John McNamara <john.mcnamara@intel.com>, Marko Kovacevic
 <marko.kovacevic@intel.com>, Anatoly Burakov <anatoly.burakov@intel.com>,
 dev@dpdk.org
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 <20191219221847.29989-5-cardigliano@ntop.org>
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Subject: Re: [dpdk-dev] [PATCH v4 04/17] net/ionic: register and initialize
 the adapter
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On Thu, 19 Dec 2019 23:18:34 +0100
Alfredo Cardigliano <cardigliano@ntop.org> wrote:

> +
> +static inline uint16_t ilog2(uint32_t n)
> +{
> +	uint16_t logv = -1;
> +
> +	if (n == 0)
> +		return 0;
> +
> +	while (n) {
> +		logv++;
> +		n >>= 1;
> +	}
> +
> +	return logv;
> +}

There already is rte_log2_u32?