Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Christophe Leroy <christophe.leroy@csgroup.eu>
To:     Zhouyi Zhou <zhouzhouyi@gmail.com>,
        "fweisbec@gmail.com" <fweisbec@gmail.com>,
        "tglx@linutronix.de" <tglx@linutronix.de>,
        "mingo@kernel.org" <mingo@kernel.org>,
        "dave@stgolabs.net" <dave@stgolabs.net>,
        "paulmck@kernel.org" <paulmck@kernel.org>,
        "josh@joshtriplett.org" <josh@joshtriplett.org>,
        "mpe@ellerman.id.au" <mpe@ellerman.id.au>,
        "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH linux-next][RFC]torture: avoid offline tick_do_timer_cpu
Thread-Topic: [PATCH linux-next][RFC]torture: avoid offline tick_do_timer_cpu
Thread-Index: AQHY/Vy1EjapAccMX0qC6ocgl+Biyq+ttvWA
Date:   Thu, 6 Jul 2023 07:09:47 +0000
Message-ID: <efd3ac99-d406-fc45-60e1-73eb8bce4c67@csgroup.eu>
References: <20221121035140.118651-1-zhouzhouyi@gmail.com>
In-Reply-To: <20221121035140.118651-1-zhouzhouyi@gmail.com>
Accept-Language: fr-FR, en-US
Content-Language: fr-FR
user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.12.0
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?Mm1Hc1JiY3FOM2FXSk1qSFBsUlllQ05lRzdaVkJhVEl4QWRZZnN6aUI0UjBO?=
 =?utf-8?B?azREK2ZFUXdUS2wyaVM0UU0zL1RJbEZDSmYrb1g3VUYwWjZ0cnFES0VjcGZm?=
 =?utf-8?B?VlB0N2YxOVZ4VDVmc1FoTldvZHJjVU5HaHZzOVRVL3VGMC9YTDRIanIxZGY5?=
 =?utf-8?B?bjd1K3V1ZEpmbGczMUI0LzlXSkRrd29hN3ZGb2tydVQ3WHg3OVZpbXI4U2lP?=
 =?utf-8?B?TTBoWG5Wd0VVa2tKOGJxcU5aMGtSNE1WbHlOQ3E1SE56QkdrWkZkOGVCQXla?=
 =?utf-8?B?ekhsbU5lV3ZZRVJEdkwyQ2JNemlVVmhmT1Vpc3Z1Zk96Y3JDVFNzRDlCSzlK?=
 =?utf-8?B?WVR3N2FDQWY3UWIwM0R2aEZJTlBITnRmc3ROV2pGa0kzckJKQ25SeWpIb2tx?=
 =?utf-8?B?WEw4Z2lVM0lxazY1bVh1YlNhd0FKMy9XNmdlN3lraEZRbVRnVWZUUEQ1L3o2?=
 =?utf-8?B?dlNUS1c0WnBmeTBSWWJSSkZBVHdMakI3d0pINzRZMisxanVWc1g5WEpYUmJN?=
 =?utf-8?B?aDZUMXhEdm0zVmxlNzlnV0NuMktJUmlDdlF2WVJSNG5zMXFNZHFhRlFiTHpB?=
 =?utf-8?B?c0RrWVlIcnVyUWE3UURoR09EbkFmSlU4dVkydnZ4NkRORjNzckROUXp0STdN?=
 =?utf-8?B?eEhhdHpJckgwbDNJdmgxZDl3NVVTQWV5T0VTa0VEb0JlbEhuZURtWnhLR3Za?=
 =?utf-8?B?bXB5bVVRSXpFYXNUTFRUZGNVV0Z5S0FxdEdMVUZZTUJveXdTdzg3K1QrQ2hC?=
 =?utf-8?B?R3Ywd2VhVWc2cWpLb1hSMjRSRVJydkErL3pOVnhhdnlKWkt0UG9YL3VwZWQ2?=
 =?utf-8?B?eTl1Y21Ca3NoWjVqUTVyeVZsNHlFLzRqVHBzVnp6TmdCYlBrK3kzbTBvNjRD?=
 =?utf-8?B?L0hNeTUvUnZSUmZvTVNjN1ovWWU1NHBDY3drME1LVEorc0s4cWVQUmRtd0tu?=
 =?utf-8?B?Y2xOL09lM2FPYWRnaUhtdnJmZTh5STV3TktnSkVaQmR5Q3BGTm5NWE1iSjdt?=
 =?utf-8?B?SEpoN3EyNWM4QW1oSFdGWURxMTYrWGZTdGhncHlPRnZRUVgzaVpKampVajRs?=
 =?utf-8?B?WXhmUDIyY2MzanBOOG1lclJSVU1EYmJvTWVZcDVmWGdMaGl1UXRSZDNvMDhy?=
 =?utf-8?B?cURVMXREaU1ZcWN6dHl4TWFSdFhzcWdsQXQ3SHhQbXR6dzlTbzNtTFRTUk9u?=
 =?utf-8?B?Ujk3QW9acWNvdUh3S0ZzTFVjakthMWgyT3l2NmtWTXB0ekpPZCt4UzNNTFYr?=
 =?utf-8?B?SUxFSlp0bFVHa3BUZTJ2RDF1UlpyM2J1L0xjZS9IcHEvekNzdGlVVzFNaEpn?=
 =?utf-8?B?RERDbkl1bTY1cVJaSFRWOHo0QlBNQmhYMDRTM2VadldLUUNyRlNtUFNjc3lJ?=
 =?utf-8?B?d3U0bDJMZW9EMHRPZEh6L1B0elpmYmxLenhEdUhJRTl1TC9SUG5FOWdMbTZT?=
 =?utf-8?B?VUpnZ0xCZjBuazlJOXFLV1FYcFBRaVR5MUVocXQ5OVNyTFhNU2s2SWJ2T2Jl?=
 =?utf-8?B?TkxsZjBpR0RnS0FUWS9hWnRtTkl3a2lSdHlxV0tYUlpXL3hTMExyejJmVHUx?=
 =?utf-8?B?cy94WFRubC8xaDN2STQrVzBhcFVhZzB2dHpkSlUrS1d3Q0pMREVOMGxpYWJE?=
 =?utf-8?B?V0kwT1gxU1VmYVY2N1psMUt6VStCcHlnMTF2M1NCTTVrakhjVDFuWTBNRUxC?=
 =?utf-8?B?WkVzZjlpSzA1R0N4MXdHd0ZmaEF6Unh3a0ZxdFM3T3RSNm9xOVh5RnBUNXJp?=
 =?utf-8?B?c3d0NVdUclZqNitDQjlWSGZtQng3R1dZNTRoVzlzZmdMdUxzZUdKRXIzNldI?=
 =?utf-8?B?Y2hjeGlHamNTK09oQmttNWtKZFVZVjN3QVFjMjZSQXNNVWlUbllWUlNabE5z?=
 =?utf-8?B?Rjc0Yk9UMWlvNmlKdVNyR1lxZDZGajNxTFVLd251QUpLb0VUbDVpTUhkOFpj?=
 =?utf-8?B?ajh4YlRPWm5vOGx5SmJOMEEvRmdZSDQzT1F0cTRTeGo0ZTRtUmxyREZwYlNl?=
 =?utf-8?B?aktzWHRDMFp2OGVZbmhlRVNiaDZCYjJRNVNEYWlLVGpSU2lKcFEwYWxhZlky?=
 =?utf-8?B?SWJGcnJsSWlxd3RQbjAzQkZiVGcyNGFIMDJqUUpHcHV1UG5RbVAvTlg4bkIz?=
 =?utf-8?B?dUxpZU13L0pwdlNzWCtMS0pGSW9sdmVZWWR3OUQ2M25IbXk1VTN2M0FNellZ?=
 =?utf-8?B?Y3c9PQ==?=
Content-Type: text/plain; charset="utf-8"
Content-ID: <CBB650119BB1624F9FE1C6736944F812@FRAP264.PROD.OUTLOOK.COM>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-OriginatorOrg: csgroup.eu
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: MRZP264MB2988.FRAP264.PROD.OUTLOOK.COM
X-MS-Exchange-CrossTenant-Network-Message-Id: e16cdbe7-8723-4003-bcae-08db7deffb7e
X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Jul 2023 07:09:47.2514
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 9914def7-b676-4fda-8815-5d49fb3b45c8
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: diqpKxVoLmzHEekfBt6XLpHl/mh+al2f+IY/RL7NhkLisr7ZvKWeFkoBtjsgruZwD39dPAVFy36XdiFQqlCq/fcKPElcq3GWHXnm3DCXQxo=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PR0P264MB2485
X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,
        RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE
        autolearn=ham autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
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