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From: Thomas Monjalon <thomas@monjalon.net>
To: Juraj =?utf-8?B?TGlua2XFoQ==?= <juraj.linkes@pantheon.tech>
Cc: bruce.richardson@intel.com, Ruifeng.Wang@arm.com,
Honnappa.Nagarahalli@arm.com, Phil.Yang@arm.com, vcchunga@amazon.com,
Dharmik.Thakkar@arm.com, jerinjacobk@gmail.com, hemant.agrawal@nxp.com,
ajit.khaparde@broadcom.com, ferruh.yigit@intel.com, dev@dpdk.org
Date: Mon, 16 Nov 2020 08:24:48 +0100
Message-ID: <6632500.QiOchURiYm@thomas>
In-Reply-To: <1605277875-13625-10-git-send-email-juraj.linkes@pantheon.tech>
References: <1605267483-13167-1-git-send-email-juraj.linkes@pantheon.tech>
<1605277875-13625-1-git-send-email-juraj.linkes@pantheon.tech>
<1605277875-13625-10-git-send-email-juraj.linkes@pantheon.tech>
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Subject: Re: [dpdk-dev] [PATCH v12 09/14] build: optional NUMA and cpu
counts detection
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13/11/2020 15:31, Juraj Linke=C5=A1:
> +option('max_lcores', type: 'integer', value: 0,
> + description: 'maximum number of cores/threads supported by EAL. Set to =
positive integer to overwrite per-arch or cross-compilation defaults. Set t=
o -1 to detect the number of cores on the build machine.')
> +option('max_numa_nodes', type: 'integer', value: 0,
> + description: 'maximum number of NUMA nodes supported by EAL. Set to pos=
itive integer to overwrite per-arch or cross-compilation defaults. Set to -=
1 to detect the number of numa nodes on the build machine.')
=46irst comment: I don't like having so long description.
Second: I don't understand.
It is said the default value is 0 so I expect it means automatic detection.
But later it is said -1 is for detection. So ?