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Thu, 22 Nov 2018 07:43:12 +0000 From: "Joyce Kong (Arm Technology China)" To: Jerin Jacob CC: "dev@dpdk.org" , "thomas@monjalon.net" , Honnappa Nagarahalli , "Gavin Hu (Arm Technology China)" , "stable@dpdk.org" Thread-Topic: [PATCH v3] config: enable more than 128 cores for Arm64 platform Thread-Index: AQHUgjI8mSsHiNIcF062Kfiw0uX/lqVbaSyA Date: Thu, 22 Nov 2018 07:43:12 +0000 Message-ID: References: <1542798625-46722-1-git-send-email-joyce.kong@arm.com> <1542870074-142423-1-git-send-email-joyce.kong@arm.com> <20181122070832.GA15701@jerin> In-Reply-To: <20181122070832.GA15701@jerin> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Joyce.Kong@arm.com; x-originating-ip: [113.29.88.7] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; AM0PR08MB4180; 6:QToNtszeBdEJ12Z/FzuuPwDZci4mzdCxPcZtqxF8p0d3nzAX8+1xLqjKU5umXJ1sBWmGBObou5hjk1iCf7XteDGou6fRweUajd/xy7LDJq2ndbO0AW9jPY4FXiaqnbmFdwEG1mDNuKm2WV5OAuLm7IgvllMmSFOkokFM6ZJnW5fVfQXCBWtFr0/cSb+GMqT2OrEY8rZU6HcaEQYEYM+B0WBRS8bM0iOVslYVTzWE1lRNZ1js02YGuS2LEL0KxrSW6iIJUTFWNGtFGqyAnIrzrlgy8J0qVCsZjGS3o3U6i2NLAwThb+Y7R5WN01KSEpP5o3AAGSAztut+qAAZQZ+zvl75vBQQAQqqvWBL1D8pYaoqkngXmuRxTu4wnTGougbsingB4titTfIEvDTii06cr+CqlEAmlfnWXwMLqVeZs7vst+2IiMwigwXdUHwPURc7Nz1amTZTkdEsSQEko8e55g==; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8eecacc1-cd8e-44b9-d8b8-08d6504e2803 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Nov 2018 07:43:12.8047 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB4180 Subject: Re: [dpdk-stable] [PATCH v3] config: enable more than 128 cores for Arm64 platform X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Nov 2018 07:43:14 -0000 > -----Original Message----- > From: Jerin Jacob > Sent: Thursday, November 22, 2018 3:09 PM > To: Joyce Kong (Arm Technology China) > Cc: dev@dpdk.org; thomas@monjalon.net; Honnappa Nagarahalli > ; Gavin Hu (Arm Technology China) > ; stable@dpdk.org > Subject: Re: [PATCH v3] config: enable more than 128 cores for Arm64 > platform > > -----Original Message----- > > Date: Thu, 22 Nov 2018 15:01:14 +0800 > > From: Joyce Kong > > To: dev@dpdk.org > > CC: thomas@monjalon.net, jerin.jacob@caviumnetworks.com, > > Honnappa.Nagarahalli@arm.com, gavin.hu@arm.com, stable@dpdk.org > > Subject: [PATCH v3] config: enable more than 128 cores for Arm64 > > platform > > X-Mailer: git-send-email 2.7.4 > > > > > > When running dpdk applications on cores whose ids are bigger than > > original max_core setting, eal error as below: > > EAL: Detected 104 lcore(s) > > EAL: Detected 2 NUMA nodes > > EAL: invalid core list > > -l CORELIST core indexes between 0 and 128 > > > > The fix is to increase max_core to 256 on Arm64 platform. > > > > Fixes: b3ce00e5 ("mk: introduce ARMv8 architecture") > > Cc: stable@dpdk.org > > > > Signed-off-by: Joyce Kong > > Reviewed-by: Gavin Hu > > --- > > config/arm/meson.build | 5 +++-- > > config/defconfig_arm64-armv8a-linuxapp-gcc | 1 + > > 2 files changed, 4 insertions(+), 2 deletions(-) > > > > diff --git a/config/arm/meson.build b/config/arm/meson.build index > > b755138..9b5f09c 100644 > > --- a/config/arm/meson.build > > +++ b/config/arm/meson.build > > @@ -46,13 +46,14 @@ flags_common_default =3D [ > > > > flags_generic =3D [ > > ['RTE_MACHINE', '"armv8a"'], > > + ['RTE_MAX_LCORE', 256], > > ['RTE_CACHE_LINE_SIZE', 128]] > > flags_cavium =3D [ > > ['RTE_MACHINE', '"thunderx"'], > > ['RTE_CACHE_LINE_SIZE', 128], > > ['RTE_MAX_NUMA_NODES', 2], > > - ['RTE_MAX_LCORE', 96], > > - ['RTE_MAX_VFIO_GROUPS', 128], > > + ['RTE_MAX_LCORE', 256], > > thunderx has only 96 cores. It the "thunderx2" which has more cores. > There no speerate config "thunderx2", it is using generic armv8 config. > So this specific line of change is not needed. > Remove this specific line of change in V4. > > + ['RTE_MAX_VFIO_GROUPS', 128], > > ['RTE_USE_C11_MEM_MODEL', false]] flags_dpaa =3D [ > > ['RTE_MACHINE', '"dpaa"'], > > diff --git a/config/defconfig_arm64-armv8a-linuxapp-gcc > > b/config/defconfig_arm64-armv8a-linuxapp-gcc > > index 1842744..a6ed90c 100644 > > --- a/config/defconfig_arm64-armv8a-linuxapp-gcc > > +++ b/config/defconfig_arm64-armv8a-linuxapp-gcc > > @@ -6,3 +6,4 @@ > > > > CONFIG_RTE_TOOLCHAIN=3D"gcc" > > CONFIG_RTE_TOOLCHAIN_GCC=3Dy > > +CONFIG_RTE_MAX_LCORE=3D256 > > -- > > 2.7.4 > > IMPORTANT NOTICE: The contents of this email and any attachments are confid= ential and may also be privileged. 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