From nobody Thu Oct 2 09:18:57 2025 Received: from fra-out-003.esa.eu-central-1.outbound.mail-perimeter.amazon.com (fra-out-003.esa.eu-central-1.outbound.mail-perimeter.amazon.com [3.72.182.33]) (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 67A83303A27; Fri, 19 Sep 2025 10:21:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=3.72.182.33 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758277312; cv=none; b=T8NzqmUdxbob7EwA+6YPKZz8Tp1SOtRHBcPQd7p3TzLG0EwKgSdATsDSjaNNQsmsBGNILSundoEp4UGz0HlXZ3/9e6mk4flx3prfkzhlwYEhzaERpphQgC6eJwCiYE2nRhZiFudiVD+h4aFBPPloXAmDzcq9oc6AaOA1Y/TYHyo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758277312; c=relaxed/simple; bh=nf038t2TN/ovKGoldR3+YYFqmXFXalZNj9+zBEhOEHc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=JVH3CJAfO3JF5m8vRpZMEIMIRtaZeAQJxfUMihuGXhiwBlra5qM/pm4358CmzTZeM4UieC3wgak0dAaV54XHm/WHmESM2ifybeoUkh8nN95XHklIqFrldFfbKN52RVsPqng3WthG+OZshZIP5HO9O1jT6hORWrACs/IYDHqhy1s= 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=cfgIitHP; arc=none smtp.client-ip=3.72.182.33 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="cfgIitHP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1758277310; x=1789813310; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Axggb3gQ9gMod1E1Yl366ABHVZrqad4JWTadzq2JQtY=; b=cfgIitHPsdAIBw+KWryruUXX2+5iZc98Xof6jP6rbrHLrfs5nzfby2EH 8yMVvG/HcB6L3ii/UV5TSojTEggZw2ULKX6lh4z3u/0YgUTSxwiFHZ0hp GzLml2BuHjRMBLSL/77N7IS4FE2s/0p431GeJGCQmSPsaedB2dI+0WYJu b3O4GNPU603Jt+QixE5N5vhIPSqCywvBNIAzf/++XvxSiPUP8Re2b+5hq TX48RY+0W9fhM8p2EhHXwBBoHUQ3UtRv8xd0gOO/WJiTGIUwLHFVLP3XM DRjHW1VU5MrwBwSXwSIksSO+04uQOsWwBHw9teXP94+qMrQQHg3+8kqSi A==; X-CSE-ConnectionGUID: fV3bueoVTKekjrDfqzPb0A== X-CSE-MsgGUID: ItpUpVCZT8iZwnOXuEtkJA== X-IronPort-AV: E=Sophos;i="6.18,277,1751241600"; d="scan'208";a="2365712" Received: from ip-10-6-6-97.eu-central-1.compute.internal (HELO smtpout.naws.eu-central-1.prod.farcaster.email.amazon.dev) ([10.6.6.97]) by internal-fra-out-003.esa.eu-central-1.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Sep 2025 10:21:44 +0000 Received: from EX19MTAEUC001.ant.amazon.com [54.240.197.225:25141] by smtpin.naws.eu-central-1.prod.farcaster.email.amazon.dev [10.0.30.197:2525] with esmtp (Farcaster) id f9dfc6d3-1783-4020-bf1b-23a2985911b3; Fri, 19 Sep 2025 10:21:44 +0000 (UTC) X-Farcaster-Flow-ID: f9dfc6d3-1783-4020-bf1b-23a2985911b3 Received: from EX19D018EUA004.ant.amazon.com (10.252.50.85) by EX19MTAEUC001.ant.amazon.com (10.252.51.193) 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 10:21:43 +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 10:21:14 +0000 From: Eliav Farber To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Subject: [PATCH 06/27 5.10.y] minmax: deduplicate __unconst_integer_typeof() Date: Fri, 19 Sep 2025 10:17:06 +0000 Message-ID: <20250919101727.16152-7-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: EX19D036UWC004.ant.amazon.com (10.13.139.205) To EX19D018EUA004.ant.amazon.com (10.252.50.85) Content-Type: text/plain; charset="utf-8" From: Andy Shevchenko [ Upstream commit 5e57418a2031cd5e1863efdf3d7447a16a368172 ] It appears that compiler_types.h already have an implementation of the __unconst_integer_typeof() called __unqual_scalar_typeof(). Use it instead of the copy. Link: https://lkml.kernel.org/r/20230911154913.4176033-1-andriy.shevchenko@= linux.intel.com Signed-off-by: Andy Shevchenko Acked-by: Herve Codina Signed-off-by: Andrew Morton Signed-off-by: Eliav Farber --- include/linux/minmax.h | 26 +++----------------------- 1 file changed, 3 insertions(+), 23 deletions(-) diff --git a/include/linux/minmax.h b/include/linux/minmax.h index 0e89c78810f6..c813c1187510 100644 --- a/include/linux/minmax.h +++ b/include/linux/minmax.h @@ -2,6 +2,7 @@ #ifndef _LINUX_MINMAX_H #define _LINUX_MINMAX_H =20 +#include #include #include =20 @@ -151,27 +152,6 @@ */ #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) =20 -/* - * Remove a const qualifier from integer types - * _Generic(foo, type-name: association, ..., default: association) perfor= ms a - * comparison against the foo type (not the qualified type). - * Do not use the const keyword in the type-name as it will not match the - * unqualified type of foo. - */ -#define __unconst_integer_type_cases(type) \ - unsigned type: (unsigned type)0, \ - signed type: (signed type)0 - -#define __unconst_integer_typeof(x) typeof( \ - _Generic((x), \ - char: (char)0, \ - __unconst_integer_type_cases(char), \ - __unconst_integer_type_cases(short), \ - __unconst_integer_type_cases(int), \ - __unconst_integer_type_cases(long), \ - __unconst_integer_type_cases(long long), \ - default: (x))) - /* * Do not check the array parameter using __must_be_array(). * In the following legit use-case where the "array" passed is a simple po= inter, @@ -186,13 +166,13 @@ * 'int *buff' and 'int buff[N]' types. * * The array can be an array of const items. - * typeof() keeps the const qualifier. Use __unconst_integer_typeof() in o= rder + * typeof() keeps the const qualifier. Use __unqual_scalar_typeof() in ord= er * to discard the const qualifier for the __element variable. */ #define __minmax_array(op, array, len) ({ \ typeof(&(array)[0]) __array =3D (array); \ typeof(len) __len =3D (len); \ - __unconst_integer_typeof(__array[0]) __element =3D __array[--__len]; \ + __unqual_scalar_typeof(__array[0]) __element =3D __array[--__len];\ while (__len--) \ __element =3D op(__element, __array[__len]); \ __element; }) --=20 2.47.3