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From: David Miller <davem@davemloft.net>
To: pabeni@redhat.com
Cc: netdev@vger.kernel.org, mcroce@redhat.com
Subject: Re: [PATCH net] pktgen: do not sleep with the thread lock held.
Date: Wed, 05 Jun 2019 12:05:59 -0700 (PDT)	[thread overview]
Message-ID: <20190605.120559.1335640243691845984.davem@davemloft.net> (raw)
In-Reply-To: <7fed17636f7a9d51b0603c8a4cfdd2111cd946e1.1559737968.git.pabeni@redhat.com>

From: Paolo Abeni <pabeni@redhat.com>
Date: Wed,  5 Jun 2019 14:34:46 +0200

> @@ -3062,20 +3062,49 @@ static int thread_is_running(const struct pktgen_thread *t)
>  	return 0;
>  }
>  
> -static int pktgen_wait_thread_run(struct pktgen_thread *t)
> +static bool pktgen_lookup_thread(struct pktgen_net *pn, struct pktgen_thread *t)
> +{
> +	struct pktgen_thread *tmp;
> +
> +	list_for_each_entry(tmp, &pn->pktgen_threads, th_list)
> +		if (tmp == t)
> +			return true;
> +	return false;
> +}

Pointer equality is not object equality.

It is possible for a pktgen thread to be terminated, a new one started,
and the new one to have the same pointer value as the old one.

  reply	other threads:[~2019-06-05 19:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-05 12:34 [PATCH net] pktgen: do not sleep with the thread lock held Paolo Abeni
2019-06-05 19:05 ` David Miller [this message]
2019-06-06  8:27   ` Paolo Abeni

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