From: Konstantin Ananyev <konstantin.ananyev@huawei.com>
To: Sivaprasad Tummala <sivaprasad.tummala@amd.com>,
"mb@smartsharesystems.com" <mb@smartsharesystems.com>,
"david.marchand@redhat.com" <david.marchand@redhat.com>,
"ktraynor@redhat.com" <ktraynor@redhat.com>,
"thomas@monjalon.net" <thomas@monjalon.net>,
"konstantin.v.ananyev@yandex.ru" <konstantin.v.ananyev@yandex.ru>,
"bruce.richardson@intel.com" <bruce.richardson@intel.com>,
"maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>,
"aconole@redhat.com" <aconole@redhat.com>,
"ferruh.yigit@amd.com" <ferruh.yigit@amd.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: RE: [PATCH v2] config/x86: config support for AMD EPYC processors
Date: Tue, 2 Jan 2024 18:18:51 +0000 [thread overview]
Message-ID: <7ea559e6826943d8b515ab0ca56a38b8@huawei.com> (raw)
In-Reply-To: <20231221051152.2450-1-sivaprasad.tummala@amd.com>
> On x86 platforms, max lcores are limited to 128 by default.
>
> On AMD EPYC processors, this limit was adjusted for native
> builds in the previous patch.
> https://patches.dpdk.org/project/dpdk/patch/
> 20230925151027.558546-1-sivaprasad.tummala@amd.com/
>
> As agreed earlier in mailing list, this patch adjusts the limit
> for specific AMD EPYC target/cross builds.
>
> Signed-off-by: Sivaprasad Tummala <sivaprasad.tummala@amd.com>
> Acked-by: Morten Brørup <mb@smartsharesystems.com>
> ---
> config/x86/meson.build | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/config/x86/meson.build b/config/x86/meson.build
> index 5355731cef..8087b9ae91 100644
> --- a/config/x86/meson.build
> +++ b/config/x86/meson.build
> @@ -91,13 +91,21 @@ epyc_zen_cores = {
> '__znver1__':128
> }
>
> -if get_option('platform') == 'native'
> +cpu_instruction_set = get_option('cpu_instruction_set')
> +if cpu_instruction_set == 'native'
> foreach m:epyc_zen_cores.keys()
> if cc.get_define(m, args: machine_args) != ''
> dpdk_conf.set('RTE_MAX_LCORE', epyc_zen_cores[m])
> break
> endif
> endforeach
> +else
> + foreach m:epyc_zen_cores.keys()
> + if m.contains(cpu_instruction_set)
> + dpdk_conf.set('RTE_MAX_LCORE', epyc_zen_cores[m])
> + break
> + endif
> + endforeach
> endif
>
> dpdk_conf.set('RTE_MAX_NUMA_NODES', 32)
> --
Acked-by: Konstantin Ananyev <konstantin.ananyev@huawei.com>
> 2.25.1
next prev parent reply other threads:[~2024-01-02 18:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-20 7:10 [PATCH] " Sivaprasad Tummala
2023-12-20 7:27 ` Morten Brørup
2023-12-20 9:22 ` Tummala, Sivaprasad
2023-12-21 5:11 ` [PATCH v2] " Sivaprasad Tummala
2024-01-02 18:18 ` Konstantin Ananyev [this message]
2024-02-13 14:28 ` Thomas Monjalon
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