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Tue, 28 Mar 2023 10:25:17 -0700 (PDT) Date: Tue, 28 Mar 2023 10:25:16 -0700 In-Reply-To: <20230327185202.1929145-1-andrii@kernel.org> Mime-Version: 1.0 References: <20230327185202.1929145-1-andrii@kernel.org> Message-ID: Subject: Re: [PATCH v4 bpf-next 0/3] veristat: add better support of freplace programs From: Stanislav Fomichev To: Andrii Nakryiko Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, martin.lau@kernel.org, kernel-team@meta.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org T24gMDMvMjcsIEFuZHJpaSBOYWtyeWlrbyB3cm90ZToNCj4gVGVhY2ggdmVyaXN0YXQgaG93IHRv IGRlYWwgd2l0aCBmcmVwbGFjZSBCUEYgcHJvZ3JhbXMuIEFzIHRoZXkgY2FuJ3QgYmUNCj4gZGly ZWN0bHkgbG9hZGVkIGJ5IHZlcmlzdGF0IHdpdGhvdXQgY3VzdG9tIHVzZXItc3BhY2UgcGFydCB0 aGF0IHNldHMgIA0KPiBjb3JyZWN0DQo+IHRhcmdldCBwcm9ncmFtIEZELCB2ZXJpc3RhdCBhbHdh eXMgZmFpbHMgZnJlcGxhY2UgcHJvZ3JhbXMuIFRoaXMgcGF0Y2ggc2V0DQo+IHRlYWNoZXMgdmVy aXN0YXQgdG8gZ3Vlc3MgdGFyZ2V0IHByb2dyYW0gdHlwZSB0aGF0IHdpbGwgYmUgaW5oZXJpdGVk IGJ5DQo+IGZyZXBsYWNlIHByb2dyYW0gaXRzZWxmLCBhbmQgc3VidGl0dXRlIGl0IGZvciBCUEZf UFJPR19UWVBFX0VYVCAgDQo+IChmcmVwbGFjZSkgb25lDQo+IGZvciB0aGUgcHVycG9zZXMgb2Yg QlBGIHZlcmlmaWNhdGlvbi4NCg0KQWNrZWQtYnk6IFN0YW5pc2xhdiBGb21pY2hldiA8c2RmQGdv b2dsZS5jb20+DQoNCj4gUGF0Y2ggIzEgZml4ZXMgYnVnIGluIGxpYmJwZiBwcmV2ZW50aW5nIG92 ZXJyaWRpbmcgZnJlcGxhY2Ugd2l0aCBzcGVjaWZpYw0KPiBwcm9ncmFtIHR5cGUuDQoNCj4gUGF0 Y2ggIzIgYWRkcyBjb252ZW5pZW50IC1kIGZsYWcgdG8gcmVxdWVzdCB2ZXJpc3RhdCB0byBlbWl0 IGxpYmJwZiBkZWJ1Zw0KPiBsb2dzLiBJdCBoZWxwIGRlYnVnZ2luZyB3aHkgYSBzcGVjaWZpYyBC UEYgcHJvZ3JhbSBmYWlscyB0byBsb2FkLCBpZiB0aGUNCj4gcHJvYmxlbSBpcyBub3QgZHVlIHRv IEJQRiB2ZXJpZmljYXRpb24gaXRzZWxmLg0KDQo+IHYzLT52NDoNCj4gICAgLSBmaXggb3B0aW9u YWwga2Vybl9uYW1lIGNoZWNrIHdoZW4gZ3Vlc3NpbmcgcHJvZyB0eXBlIChBbGV4ZWkpOw0KPiB2 Mi0+djM6DQo+ICAgIC0gZml4IGJwZl9vYmpfaWQgc2VsZnRlc3QgdGhhdCB1c2VzIGxlZ2FjeSBi cGZfcHJvZ190ZXN0X2xvYWQoKSBoZWxwZXIsDQo+ICAgICAgd2hpY2ggYWx3YXlzIHNldHMgcHJv Z3JhbSB0eXBlIHByb2dyYW1tYXRpY2FsbHk7IHRlYWNoIHRoZSBoZWxwZXIgdG8gIA0KPiBkbyBp dA0KPiAgICAgIG9ubHkgaWYgYWN0dWFsbHkgbmVjZXNzYXJ5IChTdGFuaXNsYXYpOw0KPiB2MS0+ djI6DQo+ICAgIC0gZml4IGNvbXBpbGF0aW9uIGVycm9yIHJlcG9ydGVkIGJ5IG9sZCBHQ0MgKG15 IEdDQyB2MTEgZG9lc24ndCBwcm9kdWNlICANCj4gZXZlbg0KPiAgICAgIGEgd2FybmluZykgYW5k IENsYW5nIChzZWUgQ0kgZmFpbHVyZSBhdCBbMF0pOg0KDQo+IEdDQyB2ZXJzaW9uOg0KDQo+ICAg IHZlcmlzdGF0LmM6IEluIGZ1bmN0aW9uIOKAmGZpeHVwX29iauKAmToNCj4gICAgdmVyaXN0YXQu Yzo5MDg6MTogZXJyb3I6IGxhYmVsIGF0IGVuZCBvZiBjb21wb3VuZCBzdGF0ZW1lbnQNCj4gICAg ICA5MDggfCBza2lwX2ZyZXBsYWNlX2ZpeHVwOg0KPiAgICAgICAgICB8IF5+fn5+fn5+fn5+fn5+ fn5+fn4NCg0KPiBDbGFuZyB2ZXJzaW9uOg0KDQo+ICAgIHZlcmlzdGF0LmM6OTA5OjE6IGVycm9y OiBsYWJlbCBhdCBlbmQgb2YgY29tcG91bmQgc3RhdGVtZW50IGlzIGEgQzJ4ICANCj4gZXh0ZW5z aW9uIFstV2Vycm9yLC1XYzJ4LWV4dGVuc2lvbnNdDQo+ICAgIH0NCj4gICAgXg0KPiAgICAxIGVy cm9yIGdlbmVyYXRlZC4NCg0KPiAgICBbMF0gIA0KPiBodHRwczovL2dpdGh1Yi5jb20va2VybmVs LXBhdGNoZXMvYnBmL2FjdGlvbnMvcnVucy80NTE1OTcyMDU5L2pvYnMvNzk1Mzg0NTMzNQ0KDQo+ IEFuZHJpaSBOYWtyeWlrbyAoMyk6DQo+ICAgIGxpYmJwZjogZGlzYXNzb2NpYXRlIHNlY3Rpb24g aGFuZGxlciBvbiBleHBsaWNpdA0KPiAgICAgIGJwZl9wcm9ncmFtX19zZXRfdHlwZSgpIGNhbGwN Cj4gICAgdmVyaXN0YXQ6IGFkZCAtZCBkZWJ1ZyBtb2RlIG9wdGlvbiB0byBzZWUgZGVidWcgbGli YnBmIGxvZw0KPiAgICB2ZXJpc3RhdDogZ3Vlc3MgYW5kIHN1YnN0aXR1ZSB1bmRlcmx5aW5nIHBy b2dyYW0gdHlwZSBmb3IgZnJlcGxhY2UNCj4gICAgICAoRVhUKSBwcm9ncw0KDQo+ICAgdG9vbHMv bGliL2JwZi9saWJicGYuYyAgICAgICAgICAgICAgICAgICAgICAgIHwgICAxICsNCj4gICB0b29s cy90ZXN0aW5nL3NlbGZ0ZXN0cy9icGYvdGVzdGluZ19oZWxwZXJzLmMgfCAgIDIgKy0NCj4gICB0 b29scy90ZXN0aW5nL3NlbGZ0ZXN0cy9icGYvdmVyaXN0YXQuYyAgICAgICAgfCAxMjkgKysrKysr KysrKysrKysrKystDQo+ICAgMyBmaWxlcyBjaGFuZ2VkLCAxMjYgaW5zZXJ0aW9ucygrKSwgNiBk ZWxldGlvbnMoLSkNCg0KPiAtLQ0KPiAyLjM0LjENCg0K