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 AF9011A8F79 for ; Wed, 4 Dec 2024 18:59:16 +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=1733338758; cv=none; b=HjwHvHdP39oe8163OMrXXcXNsbcPA0M/csy/f6ZjGlnUmm5FvAKVPRJ82urG5dVwQnwBq9LsDMCEZCG6rTtceb9ivWeUZUNZKpIKMMkBQELZwaUdMk76tw50cRIsJVPbUPsxoM45tp0kTdSljkR7EGo0ry6NIEC693Z+KSdU2L0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733338758; c=relaxed/simple; bh=qHwjlkQR3ShY5K4tBiUFaFw+YpTmPQOJPvoRV0HZLBA=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: MIME-Version:Content-Type; b=GNjptF6YvnmuTMEUp6WJ8zt4I2mz+L9koVDE9Fh2mTQTqRnxBaOs6kGEU+sI30/BLCQE0MyVHpsdnojBwGX5IDnyfZg/sZvbgv4RSgaltMS1XkIUOJ94t57TucBRO9ypPyi3dZqN3YSP9Uu9bpOpB8sS7VK4otrXpNCN5aXGIAM= 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-94-4n0Sm6D0MO2WXn6s9TvfQw-1; Wed, 04 Dec 2024 18:59:14 +0000 X-MC-Unique: 4n0Sm6D0MO2WXn6s9TvfQw-1 X-Mimecast-MFC-AGG-ID: 4n0Sm6D0MO2WXn6s9TvfQw 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 18:58:36 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Wed, 4 Dec 2024 18:58:36 +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 06/10] fortify: replace __is_constexpr() by is_const() in strlen() Thread-Topic: [PATCH 06/10] fortify: replace __is_constexpr() by is_const() in strlen() Thread-Index: AQHbROCtAolgstMk70q+qVJ51CWvhbLWcpEg Date: Wed, 4 Dec 2024 18:58:35 +0000 Message-ID: References: <20241203-is_constexpr-refactor-v1-0-4e4cbaecc216@wanadoo.fr> <20241203-is_constexpr-refactor-v1-6-4e4cbaecc216@wanadoo.fr> In-Reply-To: <20241203-is_constexpr-refactor-v1-6-4e4cbaecc216@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: nzzQbG2PiEU9Alddv67xtPmIxQO2kqpDSyCANE2-EDU_1733338753 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 RnJvbTogVmluY2VudCBNYWlsaG9sDQo+IFNlbnQ6IDAyIERlY2VtYmVyIDIwMjQgMTc6MzMNCj4g DQo+IEZyb206IFZpbmNlbnQgTWFpbGhvbCA8bWFpbGhvbC52aW5jZW50QHdhbmFkb28uZnI+DQo+ IA0KPiBpc19jb25zdCgpIGlzIGEgb25lIHRvIG9uZSByZXBsYWNlbWVudCBvZiBfX2lzX2NvbnN0 ZXhwcigpLiBEbyB0aGUNCj4gcmVwbGFjZW1lbnQgc28gdGhhdCBfX2lzX2NvbnN0ZXhwcigpIGNh biBiZSByZW1vdmVkLg0KPiANCj4gU2lnbmVkLW9mZi1ieTogVmluY2VudCBNYWlsaG9sIDxtYWls aG9sLnZpbmNlbnRAd2FuYWRvby5mcj4NCj4gLS0tDQo+ICBpbmNsdWRlL2xpbnV4L2ZvcnRpZnkt c3RyaW5nLmggfCA0ICsrLS0NCj4gIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDIg ZGVsZXRpb25zKC0pDQo+IA0KPiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS9saW51eC9mb3J0aWZ5LXN0 cmluZy5oIGIvaW5jbHVkZS9saW51eC9mb3J0aWZ5LXN0cmluZy5oDQo+IGluZGV4IDBkOTliZjEx ZDI2MGEzNDgyYmJlNDZlMzVjNzU1M2MwY2NmYjhiOTQuLmUzZjJmNzcyYzU0MzllZjcxZWI0YTkw NGI0Y2UyNzk1NmJjNjk3NDMgMTAwNjQ0DQo+IC0tLSBhL2luY2x1ZGUvbGludXgvZm9ydGlmeS1z dHJpbmcuaA0KPiArKysgYi9pbmNsdWRlL2xpbnV4L2ZvcnRpZnktc3RyaW5nLmgNCj4gQEAgLTI1 NCw4ICsyNTQsOCBAQCBfX0ZPUlRJRllfSU5MSU5FIF9fa2VybmVsX3NpemVfdCBzdHJubGVuKGNv bnN0IGNoYXIgKiBjb25zdCBQT1MgcCwgX19rZXJuZWxfc2l6ZQ0KPiAgICogUmV0dXJucyBudW1i ZXIgb2YgY2hhcmFjdGVycyBpbiBAcCAoTk9UIGluY2x1ZGluZyB0aGUgZmluYWwgTlVMKS4NCj4g ICAqDQo+ICAgKi8NCj4gLSNkZWZpbmUgc3RybGVuKHApCQkJCQkJCVwNCj4gLQlfX2J1aWx0aW5f Y2hvb3NlX2V4cHIoX19pc19jb25zdGV4cHIoX19idWlsdGluX3N0cmxlbihwKSksCVwNCj4gKyNk ZWZpbmUgc3RybGVuKHApCQkJCQkJXA0KPiArCV9fYnVpbHRpbl9jaG9vc2VfZXhwcihpc19jb25z dChfX2J1aWx0aW5fc3RybGVuKHApKSwJXA0KPiAgCQlfX2J1aWx0aW5fc3RybGVuKHApLCBfX2Zv cnRpZnlfc3RybGVuKHApKQ0KDQpJJ20gc3VyZSBMaW51cyBzdWdnZXN0ZWQgYSB3YXkgb2YgZG9p bmcgdGhhdCB3aXRob3V0IHJlcGxpY2F0aW5nDQp0aGUgX19idWlsdGluX3N0cmxlbigpLg0KDQpJ bmRlZWQgaXQgbWF5IGJlIHZhbGlkIHRvIGRvOg0KCWxlbiA9IF9fYnVpbHRpbl9zdHJsZW4ocCk7 DQoJX19idWlsdGluX2NvbnN0YW50X3AobGVuKSA/IGxlbiA6IF9fZm9ydGlmeV9zdHJsZW4ocCk7 DQoNCglEYXZpZA0KDQo+ICBfX0ZPUlRJRllfSU5MSU5FIF9fZGlhZ25vc2VfYXMoX19idWlsdGlu X3N0cmxlbiwgMSkNCj4gIF9fa2VybmVsX3NpemVfdCBfX2ZvcnRpZnlfc3RybGVuKGNvbnN0IGNo YXIgKiBjb25zdCBQT1MgcCkNCj4gDQo+IC0tDQo+IDIuNDUuMg0KPiANCj4gDQoNCi0NClJlZ2lz dGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24g S2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==