From: Bruce Richardson <bruce.richardson@intel.com>
To: "Burakov, Anatoly" <anatoly.burakov@intel.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH 18.05 v4] eal: add function to return number of detected sockets
Date: Fri, 9 Mar 2018 16:32:40 +0000 [thread overview]
Message-ID: <20180309163240.GA13824@bricha3-MOBL3.ger.corp.intel.com> (raw)
In-Reply-To: <c20e86f7-6154-a6a2-bf39-980d91f5efbf@intel.com>
On Thu, Mar 08, 2018 at 02:38:37PM +0000, Burakov, Anatoly wrote:
> On 08-Mar-18 12:12 PM, Bruce Richardson wrote:
> > On Wed, Feb 07, 2018 at 09:58:36AM +0000, Anatoly Burakov wrote:
> > > During lcore scan, find maximum socket ID and store it. This will
> > > break the ABI, so bump ABI version.
> > >
> > > Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
> > > ---
> > >
> > > Notes:
> > > v4:
> > > - Remove backwards ABI compatibility, bump ABI instead
> > > v3:
> > > - Added ABI compatibility
> > > v2:
> > > - checkpatch changes
> > > - check socket before deciding if the core is not to be used
> > >
> > > lib/librte_eal/bsdapp/eal/Makefile | 2 +-
> > > lib/librte_eal/common/eal_common_lcore.c | 37 +++++++++++++++++++++----------
> > > lib/librte_eal/common/include/rte_eal.h | 1 +
> > > lib/librte_eal/common/include/rte_lcore.h | 8 +++++++
> > > lib/librte_eal/linuxapp/eal/Makefile | 2 +-
> > > lib/librte_eal/rte_eal_version.map | 9 +++++++-
> > > 6 files changed, 44 insertions(+), 15 deletions(-)
> > >
> > Breaking the ABI is the best way to implement this change, and given the
> > deprecation was previously announced I'm ok with that.
> >
> > Question: we are ok assuming that the socket numbers are sequential, or
> > nearly so, and knowing the maximum socket number seen is a good
> > approximation of the actual physical sockets? I know in terms of cores
> > on a system, the core id's often jump - are there systems where the
> > socket numbers do too?
> >
> > /Bruce
> >
>
> I am not aware of any system that would jump sockets like that. I'm open to
> corrections, however :)
>
> --
In the absense of any corrections, I think this is fine to have.
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
next prev parent reply other threads:[~2018-03-09 16:32 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-22 11:58 [dpdk-dev] [PATCH] " Anatoly Burakov
2017-12-22 12:41 ` [dpdk-dev] [PATCH v2] " Anatoly Burakov
2018-01-11 22:20 ` Thomas Monjalon
2018-01-12 11:44 ` Burakov, Anatoly
2018-01-12 11:50 ` Thomas Monjalon
2018-01-16 11:56 ` Burakov, Anatoly
2018-01-16 12:20 ` Thomas Monjalon
2018-01-16 15:05 ` Burakov, Anatoly
2018-01-16 17:34 ` Thomas Monjalon
2018-01-16 17:38 ` Burakov, Anatoly
2018-01-16 18:26 ` Thomas Monjalon
2018-01-16 17:53 ` [dpdk-dev] [PATCH] doc: add ABI change notice for numa_node_count in eal Anatoly Burakov
2018-01-23 10:39 ` Mcnamara, John
2018-02-07 10:10 ` Jerin Jacob
2018-02-09 14:42 ` Bruce Richardson
2018-02-14 0:04 ` Thomas Monjalon
2018-02-14 14:25 ` Thomas Monjalon
2018-02-12 16:00 ` Jonas Pfefferle
[not found] ` <cover.1517848624.git.anatoly.burakov@intel.com>
2018-02-05 16:37 ` [dpdk-dev] [PATCH v3] eal: add function to return number of detected sockets Anatoly Burakov
2018-02-05 17:39 ` Burakov, Anatoly
2018-02-05 22:45 ` Thomas Monjalon
2018-02-06 9:28 ` Burakov, Anatoly
2018-02-06 9:47 ` Thomas Monjalon
2018-02-07 9:58 ` [dpdk-dev] [PATCH 18.05 v4] Add " Anatoly Burakov
2018-02-07 9:58 ` [dpdk-dev] [PATCH 18.05 v4] eal: add " Anatoly Burakov
2018-03-08 12:12 ` Bruce Richardson
2018-03-08 14:38 ` Burakov, Anatoly
2018-03-09 16:32 ` Bruce Richardson [this message]
2018-03-20 22:43 ` Thomas Monjalon
2018-03-21 4:59 ` gowrishankar muthukrishnan
2018-03-21 10:24 ` Burakov, Anatoly
2018-03-22 5:16 ` gowrishankar muthukrishnan
2018-03-22 9:04 ` Burakov, Anatoly
2018-03-22 10:58 ` [dpdk-dev] [PATCH v5] eal: provide API for querying valid socket id's Anatoly Burakov
2018-03-22 11:45 ` Burakov, Anatoly
2018-03-22 12:36 ` [dpdk-dev] [PATCH v6] " Anatoly Burakov
2018-03-22 17:07 ` gowrishankar muthukrishnan
2018-03-27 16:24 ` Thomas Monjalon
2018-03-31 13:35 ` Burakov, Anatoly
2018-04-02 15:27 ` Thomas Monjalon
2018-03-31 17:08 ` [dpdk-dev] [PATCH v7] " Anatoly Burakov
2018-04-04 22:31 ` Thomas Monjalon
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