From nobody Thu Oct 2 02:13:22 2025 Received: from fra-out-009.esa.eu-central-1.outbound.mail-perimeter.amazon.com (fra-out-009.esa.eu-central-1.outbound.mail-perimeter.amazon.com [3.64.237.68]) (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 9F17E2641C3; Mon, 29 Sep 2025 18:36:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=3.64.237.68 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759170968; cv=none; b=udzFybbKwj+vKiTG0039Qq6BL8qB3GHRQ5qnIwvt91gNhEPvrOIrLx0avLFZMf4IfcQ0q4NwndKPW9o6FsY6XHi6Q9derLvaQvFuaSXaa+pvNRDq7qjBpXJJl6E5UKf8pkF8XXxmF1yeB+An6nudDkTigaP4qf+dly55GfCGmAY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759170968; c=relaxed/simple; bh=V2L3IilwofpV6SrsfVTvut5ipDXkokIOm+dTBT4i7eQ=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=bAzngxdBC01I5F1FI7Ec79WIitiY+AVcAar6FD1+i9k5Aiz+hash54FJiO9DgTGELqnKy2SS9rQ4Yj09Cwyog4ZHhKru1KdugF7ey8l5MKIx0EoMLfKDBHkrIvrhD6WAk4o6d+s6apw/+41p+SnAKosUtuTHaU6R4EhSNuIlVtI= 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=dSRI2CG2; arc=none smtp.client-ip=3.64.237.68 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="dSRI2CG2" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1759170966; x=1790706966; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=k0dUe76w+6n5/NfsPbyefGVCom+xh3GGcFcV3Olhmks=; b=dSRI2CG2nzslIfQ2yiH5LWBUWUSGeTUkSWxS26v26MTH1kqLkBHMrPgz 07fkpa3rVDC4L/+2qDFrgwnVqfhaNTJvB6eXLqs7D/JDHPC5z3bJnoN8u dd4BSwX30DKdB3j54F7huAWwHUfr2uljd6T/s7bBtybVvKOnttsjPGJmC o1w8o57bWQf0qu7KzUJWfhc/vbDklCpgwdYWBW8JjBSQt2Mw99O0bfJhW qKNUAgtlOpE2Rc6eN8VlyD3Oqdem5Y8UUu3xxYG39fttC9vVD0WjEwt48 GgYW6d25q2XRfzmdIhGWYoXbG8zk7Ttm8xP8sgWQPS/IWoC1llHDNVxDJ Q==; X-CSE-ConnectionGUID: txVK8UniRruDeLgaxDGz3Q== X-CSE-MsgGUID: w+hhKLjgR/OrcyPTrCGEPw== X-IronPort-AV: E=Sophos;i="6.18,302,1751241600"; d="scan'208";a="2743124" Received: from ip-10-6-3-216.eu-central-1.compute.internal (HELO smtpout.naws.eu-central-1.prod.farcaster.email.amazon.dev) ([10.6.3.216]) by internal-fra-out-009.esa.eu-central-1.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Sep 2025 18:35:54 +0000 Received: from EX19MTAEUA002.ant.amazon.com [54.240.197.232:3040] by smtpin.naws.eu-central-1.prod.farcaster.email.amazon.dev [10.0.19.222:2525] with esmtp (Farcaster) id ccf222b8-ffe3-486e-9f6d-298477609d22; Mon, 29 Sep 2025 18:35:54 +0000 (UTC) X-Farcaster-Flow-ID: ccf222b8-ffe3-486e-9f6d-298477609d22 Received: from EX19D018EUA004.ant.amazon.com (10.252.50.85) by EX19MTAEUA002.ant.amazon.com (10.252.50.124) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.20; Mon, 29 Sep 2025 18:35:51 +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; Mon, 29 Sep 2025 18:35:45 +0000 From: Eliav Farber To: , , , , , , , , CC: Andy Shevchenko , Christoph Hellwig , Dan Carpenter , "Jason A. Donenfeld" , Jens Axboe , Lorenzo Stoakes , Mateusz Guzik , "Matthew Wilcox" , Pedro Falcato Subject: [PATCH v2 13/13 6.1.y] minmax.h: remove some #defines that are only expanded once Date: Mon, 29 Sep 2025 18:33:58 +0000 Message-ID: <20250929183358.18982-14-farbere@amazon.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20250929183358.18982-1-farbere@amazon.com> References: <20250929183358.18982-1-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: EX19D043UWA002.ant.amazon.com (10.13.139.53) 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