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:     Michael Ellerman <mpe@ellerman.id.au>,
        Josh Poimboeuf <jpoimboe@redhat.com>
CC:     Peter Zijlstra <peterz@infradead.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "rostedt@goodmis.org" <rostedt@goodmis.org>,
        "aik@ozlabs.ru" <aik@ozlabs.ru>,
        Sathvika Vasireddy <sv@linux.ibm.com>,
        "naveen.n.rao@linux.vnet.ibm.com" <naveen.n.rao@linux.vnet.ibm.com>,
        "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [RFC PATCH 3/3] objtool/mcount: Add powerpc specific functions
Thread-Topic: [RFC PATCH 3/3] objtool/mcount: Add powerpc specific functions
Thread-Index: AQHYOsOkMhd+XrYXYE6fzWpV8XELvKzS/yUAgAJH8wCAAQzdAIAAXGKA
Date:   Tue, 29 Mar 2022 17:32:18 +0000
Message-ID: <af262c28-0d73-7ae6-3dd5-2977c9a41f7d@csgroup.eu>
References: <20220318105140.43914-1-sv@linux.ibm.com>
 <20220318105140.43914-4-sv@linux.ibm.com>
 <YjR6kHq4c/rjCTpr@hirez.programming.kicks-ass.net>
 <0b55f122-4760-c1ba-840a-0911cefec2ad@csgroup.eu>
 <20220328195920.dqlfra3lcardko6r@treble> <87mth9ezml.fsf@mpe.ellerman.id.au>
In-Reply-To: <87mth9ezml.fsf@mpe.ellerman.id.au>
Accept-Language: fr-FR, en-US
Content-Language: en-US
user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101
 Thunderbird/91.7.0
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?REVTSlpZU3VtaXA5Sjg2SDV2cGo5VEh1MGZ2VGRkKzVYb2U0Mnk3YjR2UUlL?=
 =?utf-8?B?a3hKeDE3bUUwWEY5VVpVeWRuS0pYZGhCaUVhMWVjTkRtWmFOalc1bTI0L0Nv?=
 =?utf-8?B?OEtFb3lLTExSeFUyWHJ2bnd1SlRaZXk1MEdxdHROTW5SZyt4TTJ2dXRXVHpt?=
 =?utf-8?B?QUg5bCtSSXRHN3h2K014bU9JWWh6RzF3aTM3b0tjWXdISk1ZT0pncnBHTTZI?=
 =?utf-8?B?S0ZGbGtYOTB0NHYyMjYwVm9wR1plN2RhM3ozK2xIK2JmU28wWlJ3S1Q1M0NF?=
 =?utf-8?B?cWk0Ylk2dEtUUlVWTndHVDNVRk5JdEJ2bVZGYzdXQTA1VlNFQTBrZjNiY0RS?=
 =?utf-8?B?L1o1TWVPWlIySjlhbUY4clFFUmtvMmdnSHFFVGtMMnQvYTZ3SjlNSndKYWJU?=
 =?utf-8?B?eFdoRFFmRnRoa1NySHl2czczM0szbzdha3BDYVF4QXVQcEVGTStRNFYrQXY5?=
 =?utf-8?B?SGVSRTJaMlJsMEVYTVAvYmpOdHlTdDJzZXhrUDc1c1kwTXhTZlA2RG02R05I?=
 =?utf-8?B?dHNsQnNwYTVCUUxMVVA3VFI5ZlRCQnRIbTlIL1EwVWYwbERoTTY2ZDhYdUE1?=
 =?utf-8?B?aHVRQkMvY2xYK21XN3VDaWVKUXlkV2VhUnhsTGFNOXA5dGd2eDVmMHprSGZm?=
 =?utf-8?B?QUg0cTVHYXlUdnFUNDVkT3NXYTVDYjBvMndWZ3dwWEYxUDVrTEF4OU9MSkIx?=
 =?utf-8?B?Q1dpVytCTDdGT1psRjhVbEZTSlpib3pCbnRnWDJLQnMxTVpzOVU5dGxubXNp?=
 =?utf-8?B?Tk9NZEpqeGhqcXZjS0t1eVdWMmk3bnRVMmI3QTJaSDhNc3dkODhYaUkwMyth?=
 =?utf-8?B?M0NuTnlmZ3crdnVjMDV3OTNXVkdvZlJ2UXFRZUZuTDIrK3R3Qk9WQkZWdjZY?=
 =?utf-8?B?T3drYWVlNC9McjNSZDJyejBiWUs4YXp0dzd0Qis5OXY1YzBnWFZmOTd6Y2sv?=
 =?utf-8?B?WGdxanB0YnZMeTNIbEZHNHd3dkUxeldDNDk3VTNCVkVvRUNqNFhOZGF5VDVy?=
 =?utf-8?B?cVRDY2RhWlNaMUgrN0w5STJxVWwyRUd2UndQVTFWc1JrSG1kbkhmNEFhODRM?=
 =?utf-8?B?VGIxcDQ4V0N2Rzg1eU1hVnpkRmowNFNDUW12V1BaTUJwN2FMS2lqR3lmMW1i?=
 =?utf-8?B?Wkp1MXhRNTFFV0szc29rMHA0ZjVYbFNFZm9LVTkwbjdsMm9iZlNNQWtWRnN0?=
 =?utf-8?B?M3ZmSG9ZT3Fpek1kdkRsK2xhS1AzcHNWOTIwZXV5OE9INDJOV0dJTnJiN0J1?=
 =?utf-8?B?NzlLT1FVVGNsWDJoR3E0eXhGWHdzZ3NHZ0xRd1o5Q1VVZDRJcUsvMVdPczlx?=
 =?utf-8?B?ZE9jN09RTW5FTWgyRHlkMXpqTTRjMndHZ2orOHB4YVJZRUtqWTYwWGc0STUz?=
 =?utf-8?B?dWdFOVFGVHB6S2pUeitHVjM3SWs4a2dOUk4yaHBWd1FIUk5nUWlidU5wSjky?=
 =?utf-8?B?bURqQXFQS2ZNSjBiZmdveUoyVGhKV2NHeG9xcFJqNHpKQmxqY1lqcUJRMXdo?=
 =?utf-8?B?TzAreFkzc1BQUmZ5Y1hhZFNLRjB3MkczclpKUG1jc3pEVnZ4VjhoUXpmZjRn?=
 =?utf-8?B?ZTIvWWFiM0Q4OStwSFpVVHl3U0MzK3lCcWpKKzlkMkRybnNnS1dUUFJSUGdm?=
 =?utf-8?B?dnNVVXRVQUxtQXhhK1JRaHN3dVRNZjhpM3dBbXBJbXpJV2RlNWxnV2hOL1lt?=
 =?utf-8?B?NnkxZy8vdGpKYkNWazFjSGVCL21Xc1JBS1JTRy9qZFd1QURpUUEyS1JUUXNq?=
 =?utf-8?B?eWNTWnZqMUtxYVFXNVl1VXB0TTZQVVlTelBiN2t2SW5wMFhSYkxzU2RiWkVh?=
 =?utf-8?B?bDdMVTVaY2RxS2ZGT2xaSjR2UDdtenFGVHFlcnQ5TCsrd0dOamFsZVhwdlVq?=
 =?utf-8?B?Ui9ManRnV2NxdlVpdGJ0NVVOOVB0OGZrS2JuazhnQ0ZWdU5EZ3J6MWNmWGg3?=
 =?utf-8?B?VDNzN1B1MHdlNlhTMlhJVUJlcUlBcEhpVmtkQ0hjV3RhbUdmUXJSakNUd1Fn?=
 =?utf-8?B?MWJEWU9VYmxJWVV1cjhVR0FDdGN0SzhHcmhwd2RLVGtTUVFBUHVrQ3RIaldY?=
 =?utf-8?B?MG54RHUxaU8zd0xtbGVEYnNwMlhBVXY0WFFCc1hCMk5xbWZndHBEbmwxQkxZ?=
 =?utf-8?B?WEFjaG5yN2hVUlFqVlBlZnJjbHNiTUN0UWx0M0JpYUJNSDlsQjg5TjNqMStT?=
 =?utf-8?B?ZFJ4OWQ0QnF1b0c4ajY5Z2ZmRGJ2OXR4Wi9ZKzEwbDUwR2pQenQ4N2hiQjUy?=
 =?utf-8?B?NHJuNDVtTXA3Ujc0RmhiTEVtZ1ZFaW1oUlVYNXlTUXMrUDBRVTVNMnBuSGJl?=
 =?utf-8?B?MjRGT0t3Zm5vbXhKQk93QjhKQVIvV2lCY3dySlpmWGZMNkpUdHJ0ZE1ZY2hi?=
 =?utf-8?Q?98DdkbUWfSqvrsNS9zuyc1R6N8abP4wt2HoEo?=
Content-Type: text/plain; charset="utf-8"
Content-ID: <350788549A8C34488E4A3C70049C8133@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: be66235b-c72c-4073-bbc2-08da11aa1316
X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Mar 2022 17:32:18.7934
 (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: RKMkn3okPyY+cmL8yKFygEg3U8geKkjx/YpW2ZEpXbp7p+Nl0NXwf/KB1n4u0+hTaodSdArho/QGcB0n5qLaYi3bbX8LFr44MMCBtNUbOXI=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PR0P264MB3015
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,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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