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Wed, 13 Jan 2021 12:46:02 +0000 Received: from BYAPR11MB3301.namprd11.prod.outlook.com ([fe80::1152:1426:8a4f:c755]) by BYAPR11MB3301.namprd11.prod.outlook.com ([fe80::1152:1426:8a4f:c755%4]) with mapi id 15.20.3742.012; Wed, 13 Jan 2021 12:46:02 +0000 From: "Ananyev, Konstantin" <konstantin.ananyev@intel.com> To: "Burakov, Anatoly" <anatoly.burakov@intel.com>, "dev@dpdk.org" <dev@dpdk.org> CC: Jerin Jacob <jerinj@marvell.com>, Ruifeng Wang <ruifeng.wang@arm.com>, Jan Viktorin <viktorin@rehivetech.com>, David Christensen <drc@linux.vnet.ibm.com>, Ray Kinsella <mdr@ashroe.eu>, Neil Horman <nhorman@tuxdriver.com>, "Richardson, Bruce" <bruce.richardson@intel.com>, "thomas@monjalon.net" <thomas@monjalon.net>, "McDaniel, Timothy" <timothy.mcdaniel@intel.com>, "Hunt, David" <david.hunt@intel.com>, "Macnamara, Chris" <chris.macnamara@intel.com> Thread-Topic: [PATCH v16 05/11] eal: add monitor wakeup function Thread-Index: AQHW6Qm2YSJtB24Glk6jQAD8/6kBE6olgZDA Date: Wed, 13 Jan 2021 12:46:02 +0000 Message-ID: <BYAPR11MB330177FC4EDDF348D8C78D559AA90@BYAPR11MB3301.namprd11.prod.outlook.com> References: <cover.1610377084.git.anatoly.burakov@intel.com> <cover.1610473000.git.anatoly.burakov@intel.com> <9e48ffbd9baada13231f961ae46b75a5a664ea1b.1610473000.git.anatoly.burakov@intel.com> In-Reply-To: <9e48ffbd9baada13231f961ae46b75a5a664ea1b.1610473000.git.anatoly.burakov@intel.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.5.1.3 authentication-results: intel.com; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BYAPR11MB3301.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 62bbd2e3-d8d5-45d4-f49c-08d8b7c12f9c X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Jan 2021 12:46:02.6862 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 5oc4zx1plindbtzDllSyyMuV07yCF5/jQ6cdNy6FDBJT83r4hzMDgcR+XULDcM/571hRhJj09r1TLckvYI5exingqnyGphgPlkvhUcKDLWM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR11MB2806 X-OriginatorOrg: intel.com Subject: Re: [dpdk-dev] [PATCH v16 05/11] eal: add monitor wakeup function X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org> > Now that we have everything in a C file, we can store the information > about our sleep, and have a native mechanism to wake up the sleeping > core. This mechanism would however only wake up a core that's sleeping > while monitoring - waking up from `rte_power_pause` won't work. >=20 > Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com> > --- >=20 > Notes: > v16: > - Improve error handling > - Take a lock before UMONITOR >=20 > v13: > - Add comments around wakeup code to explain what it does > - Add lcore_id parameter checking to prevent buffer overrun >=20 > lib/librte_eal/arm/rte_power_intrinsics.c | 9 ++ > .../include/generic/rte_power_intrinsics.h | 16 +++ > lib/librte_eal/ppc/rte_power_intrinsics.c | 9 ++ > lib/librte_eal/version.map | 1 + > lib/librte_eal/x86/rte_power_intrinsics.c | 98 ++++++++++++++++++- > 5 files changed, 132 insertions(+), 1 deletion(-) >=20 > -- Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com> > 2.25.1