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:   Song Liu <songliubraving@fb.com>
To:     Christoph Hellwig <hch@infradead.org>
CC:     Song Liu <song@kernel.org>, bpf <bpf@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-mm@kvack.org" <linux-mm@kvack.org>,
        "linux-modules@vger.kernel.org" <linux-modules@vger.kernel.org>,
        "mcgrof@kernel.org" <mcgrof@kernel.org>,
        "peterz@infradead.org" <peterz@infradead.org>,
        "rostedt@goodmis.org" <rostedt@goodmis.org>,
        "tglx@linutronix.de" <tglx@linutronix.de>,
        "mingo@redhat.com" <mingo@redhat.com>,
        "bp@alien8.de" <bp@alien8.de>,
        "mhiramat@kernel.org" <mhiramat@kernel.org>,
        "naveen.n.rao@linux.ibm.com" <naveen.n.rao@linux.ibm.com>,
        "davem@davemloft.net" <davem@davemloft.net>,
        "anil.s.keshavamurthy@intel.com" <anil.s.keshavamurthy@intel.com>,
        "keescook@chromium.org" <keescook@chromium.org>,
        "dave@stgolabs.net" <dave@stgolabs.net>,
        "daniel@iogearbox.net" <daniel@iogearbox.net>,
        Kernel Team <Kernel-team@fb.com>,
        "x86@kernel.org" <x86@kernel.org>,
        "dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
        "rick.p.edgecombe@intel.com" <rick.p.edgecombe@intel.com>,
        "akpm@linux-foundation.org" <akpm@linux-foundation.org>
Subject: Re: [PATCH bpf-next 1/3] mm/vmalloc: introduce vmalloc_exec which
 allocates RO+X memory
Thread-Topic: [PATCH bpf-next 1/3] mm/vmalloc: introduce vmalloc_exec which
 allocates RO+X memory
Thread-Index: AQHYlpK25UY5kW1ND0S/krM8qG//OK18E8oAgABfaYA=
Date:   Wed, 13 Jul 2022 15:49:45 +0000
Message-ID: <BE896037-B79C-4B38-B777-96002C5861F5@fb.com>
References: <20220713071846.3286727-1-song@kernel.org>
 <20220713071846.3286727-2-song@kernel.org> <Ys6ZkDUhRZcmvPYy@infradead.org>
In-Reply-To: <Ys6ZkDUhRZcmvPYy@infradead.org>
Accept-Language: en-US
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?op9uKDAlQSGQcrNCw2tSi0Su53uDgLSc8CxoF+FV8N9ZhAuUx7c3drlFz3Lx?=
 =?us-ascii?Q?q8YFDs08OVOTJNPGsfujajcZfASGeFzSUcA2ytkdkVwWKj3DtDaaDmxbcXWZ?=
 =?us-ascii?Q?hd4IVj2FEojiLU2RoRYAVCM9ZrE1yYA7XJIFvhhFJrX4ybDdiLQ4QF3o9RSc?=
 =?us-ascii?Q?MKUgb131YH6HV0Ap+YjBjNSQIe2750Hx9Hs4pW9puSZap7FmW3Yfrjau5ccX?=
 =?us-ascii?Q?OV5U/zlQyfKbu7N9C7PttSU2LtHhIpl1VvMeuOn4z0W/ppGWgcjQ0bpqyNNG?=
 =?us-ascii?Q?uiGBNrRSWP7etB1fwAEyUVomQSvl20SVJPQzm1ITBH95FptuMF0dHL7JONP8?=
 =?us-ascii?Q?aJTARGfBhPzNhNrN+qp7iDCpfxkYyC1Hq43efsgR3O1UvsTj0dXbUusIaAOq?=
 =?us-ascii?Q?Ti91ctwInRI3C/cotxChc8PmRagWWwZigFPcvGj8hyieFO0bif8dqH5VDZwA?=
 =?us-ascii?Q?bz+HqqFlpqFz2PejRYVRa/Sm//GA0z4Np4E30VsVELIgmIJ/geMTAoF4x22o?=
 =?us-ascii?Q?yyFMvGJqclDljZHq4c7o4pxXwi4A8vOqixHZuQw3XDin6Y5OFpLPZyhP/fBd?=
 =?us-ascii?Q?UeE2TtfuIqBAbB4fY9viMrb86qxrJLbx72jSQ6aoJYl5D6Yr0COgH5CcstG7?=
 =?us-ascii?Q?I2fYu4zBHOuS3DWIKEGAgNmZxb7C1grwnyEoNNFVZuLb+Lu2qFWkPrESwnau?=
 =?us-ascii?Q?Nolxg/U+np8krRiPvI2IME7BjqJKT6Tt1Av4W87jQEWFqT2qcNWMYUEju1c3?=
 =?us-ascii?Q?3hkFBw2PRPApxQ3Vu2432Bdk7XeHWvf0DCBT3V/u94AQTizjtueDhTvaU8aw?=
 =?us-ascii?Q?ZQZnRvXsh2I+o25OvLGgaYSdi/GxqoVUiYaqTPiYm6iP5jygnzOxZTzlHJoc?=
 =?us-ascii?Q?Gz4Ouat/2Hyxdp2QV+6NXl3tXJJiICp8ouHpTNLbMQ5bffBAaJ2BHBI1rabh?=
 =?us-ascii?Q?9VHd4YkXh5ugTq0pp+9yLuR4bR7bZN6/bT8MYkv8tw4AXAM2OFpQ1kw+Ekq4?=
 =?us-ascii?Q?t1L5HkV9P31JYwaJ9VLnaiPJ1AfsjlB3RNE42UP2JAr80aJ41+b7CPF2TE3t?=
 =?us-ascii?Q?xf6QerrpWthfD+Z4ekXpEZWPXka/hwI2uUtt4Ix+CTNlGAaEY9AjzvZ1qnxf?=
 =?us-ascii?Q?d1e798S7MQQRs0RbdeHTiImlpRWk0m1v47PkypJHecU7mdGO7CKFtNRU6mE1?=
 =?us-ascii?Q?3mNuHISZFvDRFqXddu6FcMGd/be9B+5ywf+iSvx4nfNmWcx7wgqNxwOG/Jkp?=
 =?us-ascii?Q?trFPqsIu4NCV0K1G5p4k5lKc8baoIO3Stai0GX+PC7gRtwTHZ/xqJlbgHK6A?=
 =?us-ascii?Q?2TV9O3I6ts2qZ51ShebqEoFJIcfTx9vLEnX1ZSaUrlG2MSWsnWGI/y1Nsx0S?=
 =?us-ascii?Q?kwoAUDHQ9KkGd6XKWstWYtAbRo1scusGUhmjTFing06NiFbc4rZKGv1OdElx?=
 =?us-ascii?Q?UUfFF7I6lhZCNAlkBNxcBypgbsjQd1iJ37EcDbK4qTtuhvDanDWkpCPDoP45?=
 =?us-ascii?Q?9lav9KMuZ/XqrMsX9LnfpGr0L1bnU6Y1pvIe0VTK9H1W99o6FJmaUYkjRq8x?=
 =?us-ascii?Q?GOvSesMDdmhbowlXwBZ6/VUa6ySO7LJXdEm1+dIc2l966f3oxKrs3sDD+91d?=
 =?us-ascii?Q?xshV+3G2QETY8aTba2hp2Wc=3D?=
Content-Type: text/plain; charset="us-ascii"
Content-ID: <78A227140EE24A43A728D419B909931D@namprd15.prod.outlook.com>
MIME-Version: 1.0
X-OriginatorOrg: fb.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: SA1PR15MB5109.namprd15.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 2bc0eae6-b8c1-426f-6857-08da64e74f6a
X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Jul 2022 15:49:45.8474
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: U5j3zvlXm+BIVZmv4+ENiFxJspjPHmFlhtxvfkp9Q7cGYEEILTNiJ8pT/D9JhkEam2dpTfquxks6mGWCKTRH8w==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR15MB2575
X-Proofpoint-ORIG-GUID: dbXtYWIVfi265wJK4vtTI0tlNsLMUMF-
X-Proofpoint-GUID: dbXtYWIVfi265wJK4vtTI0tlNsLMUMF-
X-Proofpoint-Virus-Version: vendor=baseguard
 engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1
 definitions=2022-07-13_05,2022-07-13_03,2022-06-22_01
X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,
        DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,
        RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE,
        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


> On Jul 13, 2022, at 3:08 AM, Christoph Hellwig <hch@infradead.org> wrote:
> 
> NAK.  This is not something that should be an exported public API
> ever.

Hmm.. I will remove EXPORT_SYMBOL_GPL (if we ever do a v2 of this..)

Thanks,
Song