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From: "Van Haaren, Harry" <harry.van.haaren@intel.com>
To: Ruifeng Wang <ruifeng.wang@arm.com>, "Varghese, Vipin"
 <vipin.varghese@intel.com>
CC: "dev@dpdk.org" <dev@dpdk.org>, "thomas@monjalon.net"
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Thread-Topic: [PATCH] examples/service_cores: fix lcore count check
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Date: Tue, 31 Aug 2021 16:09:10 +0000
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Subject: Re: [dpdk-stable] [PATCH] examples/service_cores: fix lcore count
 check
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> -----Original Message-----
> From: Ruifeng Wang <ruifeng.wang@arm.com>
> Sent: Monday, August 30, 2021 9:04 AM
> To: Van Haaren, Harry <harry.van.haaren@intel.com>; Varghese, Vipin
> <vipin.varghese@intel.com>
> Cc: dev@dpdk.org; thomas@monjalon.net; david.marchand@redhat.com;
> nd@arm.com; honnappa.nagarahalli@arm.com; Ruifeng Wang
> <ruifeng.wang@arm.com>; stable@dpdk.org
> Subject: [PATCH] examples/service_cores: fix lcore count check
>=20
> The example has various profiles to run services on specified
> number of lcores. Due to incorrect boundary condition, service
> can be dispatched to a core that does not exist. This puts main
> core into endless wait.
>=20
> Max available number of service cores is all detected lcores
> excluding main core.
>=20
> Fixes: 7f6ee6aee717 ("examples/service_cores: check cores before run")
> Cc: stable@dpdk.org
> Cc: vipin.varghese@intel.com
>=20
> Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>

Change makes sense to me, this was introduced in Oct 2020
so a backport to 20.11 LTS makes sense I think.

Acked-by: Harry van Haaren <harry.van.haaren@intel.com>