From nobody Thu Oct 2 09:19:15 2025 Received: from fra-out-014.esa.eu-central-1.outbound.mail-perimeter.amazon.com (fra-out-014.esa.eu-central-1.outbound.mail-perimeter.amazon.com [18.199.210.3]) (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 B59AF2FA0C7; Fri, 19 Sep 2025 10:33:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=18.199.210.3 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758278028; cv=none; b=tL1rIXP8NZxL95rO5sozdxa/4cwuvQ+xYtFjboxGQBEEBdW1zMSt/jnctDXqetcyOSJceaoOg8zFrYIAK3Gg068YD58RsaR4bkP9mhs1hL4RWogDlvkYBe8ZXVn26JAnnzpyr56J6R9TQT881slCLl7oNt0zUvoMMLWpzgTF+/I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758278028; c=relaxed/simple; bh=V2L3IilwofpV6SrsfVTvut5ipDXkokIOm+dTBT4i7eQ=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=rEE7jejMyi17Seb8Dt2Wm4XJuiVeS43qCvW9QikWBxQBOQBgQ9O77z8C9VgPdOOfp24iWFS+QYiK0LT5Fw8ZRSq/vEtFMx6a5oJpft/Fsuyx+SFNu1sRZriakY2ivLPxIexr3AnBuV74i8aN3z4JuLgMqxWowu22IrxFZlVw2Wg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.com; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b=Eym9F1Pj; arc=none smtp.client-ip=18.199.210.3 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b="Eym9F1Pj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1758278026; x=1789814026; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=k0dUe76w+6n5/NfsPbyefGVCom+xh3GGcFcV3Olhmks=; b=Eym9F1PjjpHFlLj6A6HmQpNSa5L14TyKnwvYhbcayZDS61YiRPI95vai v8Kh7ksFQTpY9/DXp+S1ve8WPcNPicgVxBZ6CT7AOFxBkeqHBHFAoL7K7 /exxOvo/gQXcWLPMKDIk2RQl91kJlUXJrfYyN+qn1QxYeTxDmlE2Tp/gH Y2l0HbCR+vrxGBvchxMothWLqC/5M806aUTncTp7nPM1XN3Cm7KjqbcPb fCCjW1G/wb8DzuQbMaa5wB7xFNVSO3IY1eLyN4bZHpXnfAGu8CoMUdFcm AlOdJpObGZKLSUdMpbv1kiNN5RePYjItS5GqmLyi0SuI8QJLMKvcmtFrp Q==; X-CSE-ConnectionGUID: 3J59BZVfSaKQXIn1vsatCg== X-CSE-MsgGUID: StLEOjOiRsC1c2knBKmbeg== X-IronPort-AV: E=Sophos;i="6.18,277,1751241600"; d="scan'208";a="2265435" Received: from ip-10-6-11-83.eu-central-1.compute.internal (HELO smtpout.naws.eu-central-1.prod.farcaster.email.amazon.dev) ([10.6.11.83]) by internal-fra-out-014.esa.eu-central-1.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Sep 2025 10:33:44 +0000 Received: from EX19MTAEUC001.ant.amazon.com [54.240.197.225:15647] by smtpin.naws.eu-central-1.prod.farcaster.email.amazon.dev [10.0.36.68:2525] with esmtp (Farcaster) id 0e93ee90-d0f0-4845-9149-cd800fa96270; Fri, 19 Sep 2025 10:33:43 +0000 (UTC) X-Farcaster-Flow-ID: 0e93ee90-d0f0-4845-9149-cd800fa96270 Received: from EX19D018EUA004.ant.amazon.com (10.252.50.85) by EX19MTAEUC001.ant.amazon.com (10.252.51.155) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.20; Fri, 19 Sep 2025 10:33:43 +0000 Received: from dev-dsk-farbere-1a-46ecabed.eu-west-1.amazon.com (172.19.116.181) by EX19D018EUA004.ant.amazon.com (10.252.50.85) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.20; Fri, 19 Sep 2025 10:33:13 +0000 From: Eliav Farber To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , Arnd Bergmann , Christoph Hellwig , Dan Carpenter , Jens Axboe , Lorenzo Stoakes , "Mateusz Guzik" , Pedro Falcato Subject: [PATCH 27/27 5.10.y] minmax.h: remove some #defines that are only expanded once Date: Fri, 19 Sep 2025 10:17:27 +0000 Message-ID: <20250919101727.16152-28-farbere@amazon.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20250919101727.16152-1-farbere@amazon.com> References: <20250919101727.16152-1-farbere@amazon.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: EX19D035UWB001.ant.amazon.com (10.13.138.33) To EX19D018EUA004.ant.amazon.com (10.252.50.85) Content-Type: text/plain; charset="utf-8" From: David Laight [ Upstream commit 2b97aaf74ed534fb838d09867d09a3ca5d795208 ] The bodies of __signed_type_use() and __unsigned_type_use() are much the same size as their names - so put the bodies in the only line that expands them. Similarly __signed_type() is defined separately for 64bit and then used exactly once just below. Change the test for __signed_type from CONFIG_64BIT to one based on gcc defined macros so that the code is valid if it gets used outside of a kernel build. Link: https://lkml.kernel.org/r/9386d1ebb8974fbabbed2635160c3975@AcuMS.acul= ab.com Signed-off-by: David Laight Cc: Andy Shevchenko Cc: Arnd Bergmann Cc: Christoph Hellwig Cc: Dan Carpenter Cc: Jason A. Donenfeld Cc: Jens Axboe Cc: Lorenzo Stoakes Cc: Mateusz Guzik Cc: Matthew Wilcox Cc: Pedro Falcato Signed-off-by: Andrew Morton Signed-off-by: Eliav Farber --- include/linux/minmax.h | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/include/linux/minmax.h b/include/linux/minmax.h index 2bbdd5b5e07e..eaaf5c008e4d 100644 --- a/include/linux/minmax.h +++ b/include/linux/minmax.h @@ -46,10 +46,8 @@ * comparison, and these expressions only need to be careful to not cause * warnings for pointer use. */ -#define __signed_type_use(ux) (2 + __is_nonneg(ux)) -#define __unsigned_type_use(ux) (1 + 2 * (sizeof(ux) < 4)) #define __sign_use(ux) (is_signed_type(typeof(ux)) ? \ - __signed_type_use(ux) : __unsigned_type_use(ux)) + (2 + __is_nonneg(ux)) : (1 + 2 * (sizeof(ux) < 4))) =20 /* * Check whether a signed value is always non-negative. @@ -57,7 +55,7 @@ * A cast is needed to avoid any warnings from values that aren't signed * integer types (in which case the result doesn't matter). * - * On 64-bit any integer or pointer type can safely be cast to 'long'. + * On 64-bit any integer or pointer type can safely be cast to 'long long'. * But on 32-bit we need to avoid warnings about casting pointers to integ= ers * of different sizes without truncating 64-bit values so 'long' or 'long = long' * must be used depending on the size of the value. @@ -66,12 +64,12 @@ * them, but we do not use s128 types in the kernel (we do use 'u128', * but they are handled by the !is_signed_type() case). */ -#ifdef CONFIG_64BIT - #define __signed_type(ux) long +#if __SIZEOF_POINTER__ =3D=3D __SIZEOF_LONG_LONG__ +#define __is_nonneg(ux) statically_true((long long)(ux) >=3D 0) #else - #define __signed_type(ux) typeof(__builtin_choose_expr(sizeof(ux) > 4, 1= LL, 1L)) +#define __is_nonneg(ux) statically_true( \ + (typeof(__builtin_choose_expr(sizeof(ux) > 4, 1LL, 1L)))(ux) >=3D 0) #endif -#define __is_nonneg(ux) statically_true((__signed_type(ux))(ux) >=3D 0) =20 #define __types_ok(ux, uy) \ (__sign_use(ux) & __sign_use(uy)) --=20 2.47.3