From: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] eal: make rte_lcore_cpuset and rte_lcore_to_cpu_id stable
Date: Thu, 2 Sep 2021 09:01:58 +0300 [thread overview]
Message-ID: <ae3c4e88-8731-9df0-7ad0-225c45d4391b@oktetlabs.ru> (raw)
In-Reply-To: <20210901101611.260d79bc@hermes.local>
On 9/1/21 8:16 PM, Stephen Hemminger wrote:
>
>>> /**
>>> - * @warning
>>> - * @b EXPERIMENTAL: this API may change without prior notice.
>>> - *
>>> * Return the cpuset for a given lcore.
>>> * @param lcore_id
>>> * the targeted lcore, which MUST be between 0 and RTE_MAX_LCORE-1.
>>> * @return
>>> * The cpuset of that lcore
>>> */
>>> -__rte_experimental
>>> rte_cpuset_t
>>> rte_lcore_cpuset(unsigned int lcore_id);
>>
>> I'm wondering why negative lcore_id is supported above
>> with special meaning, but not supported here.
>
> The DPDK API stability in this case means staying bug-for-bug
> compatible. I.e passing -1 as unsigned int results in UINT_MAX which
> is invalid.
Isn't promotion to stable the last chance to review and
fix without much pain?
next prev parent reply other threads:[~2021-09-02 6:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-31 20:08 Stephen Hemminger
2021-09-01 7:04 ` Andrew Rybchenko
2021-09-01 17:16 ` Stephen Hemminger
2021-09-02 6:01 ` Andrew Rybchenko [this message]
2021-09-02 15:23 ` Stephen Hemminger
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