From: Stephen Hemminger <stephen@networkplumber.org>
To: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] eal: make rte_lcore_cpuset and rte_lcore_to_cpu_id stable
Date: Wed, 1 Sep 2021 10:16:11 -0700 [thread overview]
Message-ID: <20210901101611.260d79bc@hermes.local> (raw)
In-Reply-To: <057efbd9-f3ec-b4c7-5add-fdf7baeebbee@oktetlabs.ru>
> > /**
> > - * @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.
next prev parent reply other threads:[~2021-09-01 17:16 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 [this message]
2021-09-02 6:01 ` Andrew Rybchenko
2021-09-02 15:23 ` Stephen Hemminger
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