From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E39B51A8F9A for ; Wed, 4 Dec 2024 18:52:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.58.85.151 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733338375; cv=none; b=Z5TjTDncKMvpeQUc/Fl989Xl4/Rt41yqscwDSQCgD+fSgsYp8Zxh4D2Hhj4qBv1K/4PPUpHgeDjZ64T8ilUuPUU4phRqzJRnguKBDGHanrraPYswBQJ+W7uf2tZtZUG2OSDNbcsK7+uS5BwyzTTngRSCgTKZ4zel5ISccuv0bI8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733338375; c=relaxed/simple; bh=YwY9xHZHGpEHtbkNcyeJTSKGNlyl22M9/V3vuq7ghwA=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: MIME-Version:Content-Type; b=hiB2uE9A7eKXO7V8lPg9g0zkJsmjleN+fexB7CRn0M6dwVHhQMJ080D/bwnsDl5Ikq1yow9sFglzBRM98qKb3ey+yFxAsMdx8RnA0tWKQs/TxoM+SZdKqXNwNQ+LjqEb7wnUdIY28Vwq91W1lL8SBblwBKt0ajDNhpKilQsYoxo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ACULAB.COM; spf=pass smtp.mailfrom=aculab.com; arc=none smtp.client-ip=185.58.85.151 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ACULAB.COM Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aculab.com Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-232-Fo2j8UHqOR6f0adwkoLvrA-1; Wed, 04 Dec 2024 18:52:49 +0000 X-MC-Unique: Fo2j8UHqOR6f0adwkoLvrA-1 X-Mimecast-MFC-AGG-ID: Fo2j8UHqOR6f0adwkoLvrA Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Wed, 4 Dec 2024 18:52:10 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Wed, 4 Dec 2024 18:52:10 +0000 From: David Laight To: Vincent Mailhol , Linus Torvalds , Luc Van Oostenryck , Nathan Chancellor , "Nick Desaulniers" , Bill Wendling , Justin Stitt , Yury Norov , Rasmus Villemoes , Kees Cook , "Gustavo A. R. Silva" , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Suzuki K Poulose , Mike Leach , James Clark , Alexander Shishkin , Rikard Falkeborn , Martin Uecker CC: "linux-sparse@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "llvm@lists.linux.dev" , "linux-hardening@vger.kernel.org" , "intel-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "coresight@lists.linaro.org" , "linux-arm-kernel@lists.infradead.org" Subject: RE: [PATCH 04/10] linux/bits.h: simplify GENMASK_INPUT_CHECK() by using is_const_true() Thread-Topic: [PATCH 04/10] linux/bits.h: simplify GENMASK_INPUT_CHECK() by using is_const_true() Thread-Index: AQHbROFQQHprgo51TES1ijsBCX2RL7LWcP7w Date: Wed, 4 Dec 2024 18:52:10 +0000 Message-ID: References: <20241203-is_constexpr-refactor-v1-0-4e4cbaecc216@wanadoo.fr> <20241203-is_constexpr-refactor-v1-4-4e4cbaecc216@wanadoo.fr> In-Reply-To: <20241203-is_constexpr-refactor-v1-4-4e4cbaecc216@wanadoo.fr> Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: RAO2D4VC1piICiJYs4dv1OSDcQzOInVSjxUwYXD9Ph8_1733338368 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 RnJvbTogVmluY2VudCBNYWlsaG9sDQo+IFNlbnQ6IDAyIERlY2VtYmVyIDIwMjQgMTc6MzMNCj4g DQo+ICAgX19idWlsdGluX2Nob29zZV9leHByKF9faXNfY29uc3RleHByKChsKSA+IChoKSksIChs KSA+IChoKSwgMCkNCj4gDQo+IGlzIGVxdWl2YWxlbnQgdG86DQo+IA0KPiAgIGlzX2NvbnN0X3Ry dWUoKGwpID4gKGgpKQ0KDQpDaGFuZ2UgaXQgdG8gQlVJTERfQlVHX09OX01TRyhzdGF0aWNhbGx5 X3RydWUoKGwpIDwgKGgpKSwgImVycm9yIG1lc3NhZ2UiKQ0KDQphbmQgdGhlbiBmaXggYWxsIHRo ZSBmYWxsb3V0IDotKQ0KDQoJRGF2aWQNCg0KPiANCj4gQXBwbHkgaXNfY29uc3RfdHJ1ZSgpIHRv IHNpbXBsaWZ5IEdFTk1BU0tfSU5QVVRfQ0hFQ0soKS4NCj4gDQo+IFNpZ25lZC1vZmYtYnk6IFZp bmNlbnQgTWFpbGhvbCA8bWFpbGhvbC52aW5jZW50QHdhbmFkb28uZnI+DQo+IC0tLQ0KPiBUaGlz IGNoYW5nZSBwYXNzZXMgdGhlIHVuaXQgdGVzdHMgZnJvbSBDT05GSUdfQklUU19URVNULCBpbmNs dWRpbmcgdGhlDQo+IGV4dHJhIG5lZ2F0aXZlIHRlc3RzIHByb3ZpZGVkIHVuZGVyICNpZmRlZiBU RVNUX0dFTk1BU0tfRkFJTFVSRVMgWzFdLg0KPiANCj4gWzFdIGNvbW1pdCA2ZDUxMTAyMGUxM2Qg KCJsaWIvdGVzdF9iaXRzLmM6IGFkZCB0ZXN0cyBvZiBHRU5NQVNLIikNCj4gTGluazogaHR0cHM6 Ly9naXQua2VybmVsLm9yZy90b3J2YWxkcy9jLzZkNTExMDIwZTEzZA0KPiAtLS0NCj4gIGluY2x1 ZGUvbGludXgvYml0cy5oIHwgNSArKy0tLQ0KPiAgMSBmaWxlIGNoYW5nZWQsIDIgaW5zZXJ0aW9u cygrKSwgMyBkZWxldGlvbnMoLSkNCj4gDQo+IGRpZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4L2Jp dHMuaCBiL2luY2x1ZGUvbGludXgvYml0cy5oDQo+IGluZGV4IDYwMDQ0YjYwODgxNzJiM2YyNmFh M2YxN2NkYWVkZTk3ODY4NjNkYWUuLmVmMDExOWU2MTc5ZTFjYTk1MzQ1YTNkNGQzMzI3YmExOTYz MzAyOGUgMTAwNjQ0DQo+IC0tLSBhL2luY2x1ZGUvbGludXgvYml0cy5oDQo+ICsrKyBiL2luY2x1 ZGUvbGludXgvYml0cy5oDQo+IEBAIC0yMCw5ICsyMCw4IEBADQo+ICAgKi8NCj4gICNpZiAhZGVm aW5lZChfX0FTU0VNQkxZX18pDQo+ICAjaW5jbHVkZSA8bGludXgvYnVpbGRfYnVnLmg+DQo+IC0j ZGVmaW5lIEdFTk1BU0tfSU5QVVRfQ0hFQ0soaCwgbCkgXA0KPiAtCShCVUlMRF9CVUdfT05fWkVS TyhfX2J1aWx0aW5fY2hvb3NlX2V4cHIoIFwNCj4gLQkJX19pc19jb25zdGV4cHIoKGwpID4gKGgp KSwgKGwpID4gKGgpLCAwKSkpDQo+ICsjaW5jbHVkZSA8bGludXgvY29tcGlsZXIuaD4NCj4gKyNk ZWZpbmUgR0VOTUFTS19JTlBVVF9DSEVDSyhoLCBsKSBCVUlMRF9CVUdfT05fWkVSTyhpc19jb25z dF90cnVlKChsKSA+IChoKSkpDQo+ICAjZWxzZQ0KPiAgLyoNCj4gICAqIEJVSUxEX0JVR19PTl9a RVJPIGlzIG5vdCBhdmFpbGFibGUgaW4gaCBmaWxlcyBpbmNsdWRlZCBmcm9tIGFzbSBmaWxlcywN Cj4gDQo+IC0tDQo+IDIuNDUuMg0KPiANCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRl LCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpS ZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K