From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9DCDDC4332F for ; Tue, 11 Oct 2022 23:25:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229527AbiJKXZA (ORCPT ); Tue, 11 Oct 2022 19:25:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229492AbiJKXY6 (ORCPT ); Tue, 11 Oct 2022 19:24:58 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 565A925585 for ; Tue, 11 Oct 2022 16:24:54 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-112-GnkBwVzXNmW87uuPT0Ma2A-1; Wed, 12 Oct 2022 00:24:51 +0100 X-MC-Unique: GnkBwVzXNmW87uuPT0Ma2A-1 Received: from AcuMS.Aculab.com (10.202.163.6) by AcuMS.aculab.com (10.202.163.6) with Microsoft SMTP Server (TLS) id 15.0.1497.38; Wed, 12 Oct 2022 00:24:51 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.040; Wed, 12 Oct 2022 00:24:51 +0100 From: David Laight To: "'Jason A. 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Donenfeld" , "kbuild-all@lists.01.org" , "linux-kernel@vger.kernel.org" Subject: RE: [crng-random:jd/get_random_u32_below 23/23] include/linux/random.h:64:69: sparse: sparse: cast truncates bits from constant value (1f4 becomes f4) Thread-Topic: [crng-random:jd/get_random_u32_below 23/23] include/linux/random.h:64:69: sparse: sparse: cast truncates bits from constant value (1f4 becomes f4) Thread-Index: AQHY3DtVD69rv9eDCUyAI1FFBLG+sa4H2CJggAABJoCAAfu+QA== Date: Tue, 11 Oct 2022 23:24:50 +0000 Message-ID: <4bbbde65cef74a579de34a75e6dba0a3@AcuMS.aculab.com> References: <202210100722.Wc2gmfS6-lkp@intel.com> 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogSmFzb24gQS4gRG9uZW5mZWxkDQo+IFNlbnQ6IDEwIE9jdG9iZXIgMjAyMiAxODo1NA0K PiANCj4gT24gTW9uLCBPY3QgMTAsIDIwMjIgYXQgMDU6MTg6NDBQTSArMDAwMCwgRGF2aWQgTGFp Z2h0IHdyb3RlOg0KPiA+IEZyb206IGtlcm5lbCB0ZXN0IHJvYm90IDxsa3BAaW50ZWwuY29tPg0K PiA+ID4gU2VudDogMTAgT2N0b2JlciAyMDIyIDAwOjMyDQo+ID4gPiBUbzogSmFzb24gQS4gRG9u ZW5mZWxkIDx6eDJjNEBrZXJuZWwub3JnPg0KPiA+IC4uLg0KPiA+DQo+ID4gSSdtIG1pc3Npbmcg dGhlIG1haW4gbWFpbGluZyBsaXN0IGVtYWlsIGZvciB0aGlzIGNoYW5nZS4NCj4gPiBJJ20gZ3Vl c3NpbmcgdGhlIG5vbi1pbmxpbmVkIGNvZGUgZm9yIG5vbi1jb25zdGFudCBjZWlsDQo+ID4gaXMg c2ltaWxhci4NCj4gDQo+IEl0J3MgcGFydCBvZiBhIGRldmVsb3BtZW50IHRyZWUgSSBhbHJlYWR5 IGxpbmtlZCB5b3UgdG8uIEl0J3Mgbm90IGRvbmUNCj4geWV0LiBUaGlzIGFsZXJ0IGlzIGp1c3Qg YWJvdXQgbmVlZGluZyBhIF9fZm9yY2UuDQoNCkkga2VlcCB0aGlua2luZyBhYm91dCB0aGlzIG9u ZS4NCnNwYXJzZSBpcyBiZWluZyBzdHVwaWQgYmVjYXVzZSBpdCBpcyBsb29raW5nIGF0IGNvZGUg dGhhdCBjYWRlIGJlIHJlYWNoZWQuDQonY2VpbCcgbXVzdCBiZSA1MDAgc28gdGhlIHRlc3QgYXQg bGluZSA2MiBpcyBmYWxzZS4NCkJ1dCB3aGF0IGlzIHRoZSBjYXN0IGZvcj8NCkxpbmUgNjQgaXMg b25seSBleGVjdXRlZCB3aGVuIGNlaWwgaXMgPD0gMjU2IGFuZCB0aGUgY29uZGl0aW9uDQpvbmx5 IG1hdHRlcnMgd2hlbiBjZWlsIDw9IDI1NSAtIHNvIHRoZSBjYXN0IGNhbm5vdCBiZSBuZWVkZWQu DQoNCkkgdGhpbmsgeW91IG1pZ2h0IGJlIHRyeWluZyB0byBkbyA4LWJpdCBhcml0aG1ldGljIC0g YnV0IHlvdQ0Kc2hvdWxkIGtub3cgaXQgZ2V0cyBwcm9tb3RlZCB0byAnaW50JyAoYW5kIHRoZW4g dG8gdW5zaWduZWQgaW50KS4NCldoYXQgbWlnaHQgZG8gd2hhdCB5b3UgaW50ZW5kZWQgaXMgKHU4 KX5jZWlsICUgY2VpbC4NCkJ1dCB0aGF0IGlzIHRoZSBzYW1lIGFzICgweGZmIC0gY2VpbCkgJSBj ZWlsLg0KV2hpY2ggaXMgdGhlIHNhbWUgYXMgMHhmZiAlIGNlaWwuDQoNCkEgcXVpY2sgY2hlY2sg d2l0aCBjZWlsID09IDUgZ2l2ZXMgdGhlIHdyb25nIGFuc3dlcg0KYXMgYWxsIHZhbHVlcyBnZXQg YWNjZXB0ZWQgLSBhbmQgb25lIG5lZWQgdG8gYmUgZXhjbHVkZWQuDQpTbyB5b3UgZWl0aGVyIG5l ZWQgKG11bHQgJiAweGZmKSA+IDB4ZmYgJSBjZWlsDQpvciAobXVsdCAmIDB4ZmYpID49IDB4MTAw ICUgY2VpbC4NClRoZSBsYXR0ZXIgdmVyc2lvbiBpcyBhbHNvIHJpZ2h0IGZvciBwb3dlcnMgb2Yg Mg0KZXhjZXB0IHRoYXQgdGhlIGNvbXBpbGVyIHdvbid0IGxpa2UgdGhlIHh4eCA+IDB1IHRlc3QN CmJlY2F1c2UgaXQgaXMgYWx3YXlzIHRydWUuDQoNCglEYXZpZA0KDQo+IA0KPiA+DQo+ID4gPiB2 aW0gKzY0IGluY2x1ZGUvbGludXgvcmFuZG9tLmgNCj4gPiA+DQo+ID4gPiAgICAgNTMNCj4gPiA+ ICAgICA1NAl1MzIgX19nZXRfcmFuZG9tX3UzMl9iZWxvdyh1MzIgY2VpbCk7DQo+ID4gPiAgICAg NTUJLyogUmV0dXJucyBhIHJhbmRvbSBpbnRlZ2VyIGluIHRoZSBpbnRlcnZhbCBbMCwgY2VpbCks IHdpdGggdW5pZm9ybSBkaXN0cmlidXRpb24uICovDQo+ID4gPiAgICAgNTYJc3RhdGljIGlubGlu ZSB1MzIgZ2V0X3JhbmRvbV91MzJfYmVsb3codTMyIGNlaWwpDQo+ID4gPiAgICAgNTcJew0KPiA+ ID4gICAgIDU4CQlpZiAoIV9fYnVpbHRpbl9jb25zdGFudF9wKGNlaWwpKQ0KPiA+ID4gICAgIDU5 CQkJcmV0dXJuIF9fZ2V0X3JhbmRvbV91MzJfYmVsb3coY2VpbCk7DQo+ID4gPiAgICAgNjANCj4g PiA+ICAgICA2MQkJZm9yICg7Oykgew0KPiA+ID4gICAgIDYyCQkJaWYgKGNlaWwgPD0gMVUgPDwg OCkgew0KPiA+ID4gICAgIDYzCQkJCXUzMiBtdWx0ID0gY2VpbCAqIGdldF9yYW5kb21fdTgoKTsN Cj4gPiA+ICAgPiA2NAkJCQlpZiAoaXNfcG93ZXJfb2ZfMihjZWlsKSB8fCAodTgpbXVsdCA+PSAt KHU4KWNlaWwgJSBjZWlsKQ0KPiA+ID4gICAgIDY1CQkJCQlyZXR1cm4gbXVsdCA+PiA4Ow0KPiA+ DQo+ID4gSWYgeW91IGFyZSBnb2luZyB0byBjaGVjayBpc19wb3dlcl9vZl8yKCkgdGhlbiB5b3Ug bWlnaHQgYXMgd2VsbCBkbzoNCj4gPiAJCXUzMiB2YWwgPSBnZXRfcmFuZG9tX3U4KCk7DQo+ID4g CQlpZiAoaXNfcG93ZXJfb2ZfMihjZWlsKSkNCj4gPiAJCQlyZXR1cm4gY2VpbCA9PSAweDEwMCA/ IHZhbCA6IHZhbCAmIChjZWlsIC0gMSk7DQo+ID4gRXhjZXB0IHRoYXQgeW91IGRvbid0IHdhbnQg dG8gbG9vcCBvbiB6ZXJvIC0gc28gIShjZWlsICYgKGNlaWwgLSAxKSkNCj4gDQo+IEkgdGhvdWdo dCBJIG9wdGVkIG91dCBvZiB0aGUgTGFpZ2h0IGRyaXZlLWJ5cz8NCj4gDQo+IEVpdGhlciB3YXks IEkgZG9uJ3QgdW5kZXJzdGFuZCB5b3VyIGNvbW1lbnRzIG9yIGhvdyB0aGV5IHBlcnRhaW4gdG8g dGhlDQo+IGN1cnJlbnQgY29kZSBpbiB0aGF0IHVuZmluaXNoZWQgZGV2ZWxvcG1lbnQgYnJhbmNo LiBQbGVhc2UganVzdCBzZW5kDQo+IHJlYWwgcGF0Y2hlcy4NCj4gDQo+IEphc29uDQoNCi0NClJl Z2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0 b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykN Cg==