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Donenfeld'" , Kees Cook Subject: RE: [PATCH v3 3/5] treewide: use get_random_u32() when possible Thread-Topic: [PATCH v3 3/5] treewide: use get_random_u32() when possible Thread-Index: AQHY2nYZ0LDp17FxT0u8eu+L+6kCF64FCBzw Date: Sat, 8 Oct 2022 21:53:33 +0000 Message-ID: <69080fb8cace486db4e28e2e90f1d550@AcuMS.aculab.com> References: <20221006165346.73159-1-Jason@zx2c4.com> <20221006165346.73159-4-Jason@zx2c4.com> <848ed24c-13ef-6c38-fd13-639b33809194@csgroup.eu> <6396875c-146a-acf5-dd9e-7f93ba1b4bc3@csgroup.eu> <501b0fc3-6c67-657f-781e-25ee0283bc2e@csgroup.eu> <202210071010.52C672FA9@keescook> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "linux-wireless@vger.kernel.org" , Ulf Hansson , "x86@kernel.org" , Jan Kara , Vignesh Raghavendra , "linux-doc@vger.kernel.org" , Peter Zijlstra , Catalin Marinas , Dave Hansen , "kernel-janitors@vger.kernel.org" , KP Singh , "dri-devel@lists.freedesktop.org" , "patches@lists.linux.dev" , "linux-mm@kvack.org" , Eric Dumazet , "netdev@vger.kernel.org" , "linux-mtd@lists.infradead.org" , "kasan-dev@googlegroups.com" , "H . 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Miller" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" RnJvbTogSmFzb24gQS4gRG9uZW5mZWxkDQo+IFNlbnQ6IDA3IE9jdG9iZXIgMjAyMiAxODo1Ng0K Li4uDQo+ID4gR2l2ZW4gdGhlc2Uga2luZHMgb2YgbGVzcyBtZWNoYW5pY2FsIGNoYW5nZXMsIGl0 IG1heSBtYWtlIHNlbnNlIHRvIHNwbGl0DQo+ID4gdGhlc2UgZnJvbSB0aGUgInRyaXZpYWwiIGNv bnZlcnNpb25zIGluIGEgdHJlZXdpZGUgcGF0Y2guIFRoZSBjaGFuY2Ugb2YNCj4gPiBuZWVkaW5n IGEgcmV2ZXJ0IGZyb20gdGhlIHNpbXBsZSAxOjEgY29udmVyc2lvbnMgaXMgbXVjaCBsb3dlciB0 aGFuIHRoZQ0KPiA+IG5lZWQgdG8gcmV2ZXJ0IGJ5LWhhbmQgY2hhbmdlcy4NCj4gPg0KPiA+IFRo ZSBDb2NjaSBzY3JpcHQgSSBzdWdnZXN0ZWQgaW4gbXkgdjEgcmV2aWV3IGdldHMgODAlIG9mIHRo ZSBmaXJzdA0KPiA+IHBhdGNoLCBmb3IgZXhhbXBsZS4NCj4gDQo+IEknbGwgc3BsaXQgdGhpbmdz IHVwIGludG8gYSBtZWNoYW5pY2FsIHN0ZXAgYW5kIGEgbm9uLW1lY2hhbmljYWwgc3RlcC4NCj4g R29vZCBpZGVhLg0KDQpJJ2QgYWxzbyBkbyBzb21ldGhpbmcgYWJvdXQgdGhlICdnZXRfcmFuZG9t X2ludCgpICYgMycgY2FzZXMuDQooaWUgcmVtYWluZGVyIGJ5IDJebi0xKQ0KVGhlc2UgY2FuIGJl IGNvbnZlcnRlZCB0byAnZ2V0X3JhbmRvbV91OCgpICYgMycgKGV0YykuDQpTbyB0aGV5IG9ubHkg bmVlZCBvbmUgcmFuZG9tIGJ5dGUgKG5vdCA0KSBhbmQgbm8gbXVsdGlwbHkuDQoNClBvc3NpYmx5 IHNvbWV0aGluZyBiYXNlZCBvbiAodGhlIHF1aWNrbHkgdHlwZWQsIGFuZCBub3QgQyk6DQojZGVm aW5lIGdldF9yYW5kb21fYmVsb3codmFsKSBbDQoJaWYgKGJ1aWx0aW5fY29uc3RhbnQodmFsKSkN CgkJQlVJTERfQlVHX09OKCF2YWwgfHwgdmFsID4gMHgxMDAwMDAwMDB1bGwpDQoJCWlmICghKHZh bCAmICh2YWwgLSAxKSkgew0KCQkJaWYgKHZhbCA8PSAweDEwMCkNCgkJCQlyZXR1cm4gZ2V0X3Jh bmRvbV91OCgpICYgKHZhbCAtIDEpOw0KCQkJaWYgKHZhbCA8PSAweDEwMDAwKQ0KCQkJCXJldHVy biBnZXRfcmFuZG9tX3UxNigpICYgKHZhbCAtIDEpOw0KCQkJcmV0dXJuIGdldF9yYW5kb21fdTMy KCkgJiAodmFsIC0gMSk7DQoJCX0NCgl9DQoJQlVJTERfQlVHX09OKHNpemVvZiAodmFsKSA+IDQp Ow0KCXJldHVybiAoKHU2NClnZXRfcmFuZG9tX3UzMigpICogdmFsKSA+PiAzMjsNCn0NCg0KZ2V0 X3JhbmRvbV9iZWxvdygpIGlzIGEgbXVjaCBiZXR0ZXIgbmFtZSB0aGFuIHByYW5kb21fdTMyX21h eCgpLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5 IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRp b24gTm86IDEzOTczODYgKFdhbGVzKQ0K