netdev - Re: [PATCH net-next v15 11/15] net: homa: create homa

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Message-ID: <7c990c8a-9546-4bab-9438-9760090978c0@redhat.com>
Date: Tue, 26 Aug 2025 13:52:59 +0200
From: Paolo Abeni <pabeni@...hat.com>
To: John Ousterhout <ouster@...stanford.edu>, netdev@...r.kernel.org
Cc: edumazet@...gle.com, horms@...nel.org, kuba@...nel.org
Subject: Re: [PATCH net-next v15 11/15] net: homa: create homa_utils.c

On 8/18/25 10:55 PM, John Ousterhout wrote:
+/**
> + * homa_spin() - Delay (without sleeping) for a given time interval.
> + * @ns:   How long to delay (in nanoseconds)
> + */
> +void homa_spin(int ns)
> +{
> +	u64 end;
> +
> +	end = homa_clock() + homa_ns_to_cycles(ns);
> +	while (homa_clock() < end)
> +		/* Empty loop body.*/

		cpu_relax();

/P