From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 836A6CCF9E8 for ; Sat, 18 Oct 2025 08:51:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3EB1E10E3F8; Sat, 18 Oct 2025 08:50:58 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=amazon.com header.i=@amazon.com header.b="s1HAWYm8"; dkim-atps=neutral Received: from pdx-out-011.esa.us-west-2.outbound.mail-perimeter.amazon.com (pdx-out-011.esa.us-west-2.outbound.mail-perimeter.amazon.com [52.35.192.45]) by gabe.freedesktop.org (Postfix) with ESMTPS id E299B10EB84; Fri, 17 Oct 2025 09:05:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1760691956; x=1792227956; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=kFRk/YEfanxcwxn3T4iYIqsiSiWmkv1ShCNggWcZo/w=; b=s1HAWYm8I1N4ICn7/Cn8dTMvTLRptHlhNbFlooWKUlPVpK/E2qyH9K1e 3dbzywcilJl0Uj8gf0Jb7b9flygwjWfgX/obtg7haNs8771A0pcx/7cFU B5+N/EET5gUq1LhQzbEbhuXl+kc7mVV0+CRIquVNHIHIPT6fRaJHxnfGl aJ1h/WJEe/BPjtDGCwZonOHO79Kjn3j06GaCV1aWu90AO6X7+DSx65ZR9 vHV+DWahLpPe2XJ7eqSAbmDR4onhP9ywasfGBABSodnRTIbpcsraTDWFT +M0ydA3Wz2ONHKMquGxv7v8tjiuELiS9m2pwzzBw1Cmlnpz7QU6tnmELF g==; X-CSE-ConnectionGUID: g1N8QoQgRQCaY8mzNwfB7Q== X-CSE-MsgGUID: Dy3w6h37Qy6jVFCyBPD43g== X-IronPort-AV: E=Sophos;i="6.19,236,1754956800"; d="scan'208";a="4861231" Received: from ip-10-5-0-115.us-west-2.compute.internal (HELO smtpout.naws.us-west-2.prod.farcaster.email.amazon.dev) ([10.5.0.115]) by internal-pdx-out-011.esa.us-west-2.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Oct 2025 09:05:54 +0000 Received: from EX19MTAUWA002.ant.amazon.com [205.251.233.234:9202] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.38.191:2525] with esmtp (Farcaster) id 2c66efd6-03ee-4637-aae4-79e21b5138df; Fri, 17 Oct 2025 09:05:54 +0000 (UTC) X-Farcaster-Flow-ID: 2c66efd6-03ee-4637-aae4-79e21b5138df Received: from EX19D001UWA001.ant.amazon.com (10.13.138.214) by EX19MTAUWA002.ant.amazon.com (10.250.64.202) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.20; Fri, 17 Oct 2025 09:05:54 +0000 Received: from dev-dsk-farbere-1a-46ecabed.eu-west-1.amazon.com (172.19.116.181) by EX19D001UWA001.ant.amazon.com (10.13.138.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.20; Fri, 17 Oct 2025 09:05:38 +0000 From: Eliav Farber To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Arnd Bergmann , Dan Williams , Eric Dumazet , Isabella Basso , Josh Poimboeuf , Masami Hiramatsu , Sander Vanheule , Vlastimil Babka , Yury Norov Subject: [PATCH v2 01/27 5.10.y] overflow, tracing: Define the is_signed_type() macro once Date: Fri, 17 Oct 2025 09:04:53 +0000 Message-ID: <20251017090519.46992-2-farbere@amazon.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251017090519.46992-1-farbere@amazon.com> References: <20251017090519.46992-1-farbere@amazon.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [172.19.116.181] X-ClientProxiedBy: EX19D045UWA003.ant.amazon.com (10.13.139.46) To EX19D001UWA001.ant.amazon.com (10.13.138.214) X-Mailman-Approved-At: Sat, 18 Oct 2025 08:50:54 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Bart Van Assche [ Upstream commit 92d23c6e94157739b997cacce151586a0d07bb8a ] There are two definitions of the is_signed_type() macro: one in and a second definition in . As suggested by Linus Torvalds, move the definition of the is_signed_type() macro into the header file. Change the definition of the is_signed_type() macro to make sure that it does not trigger any sparse warnings with future versions of sparse for bitwise types. See also: https://lore.kernel.org/all/CAHk-=whjH6p+qzwUdx5SOVVHjS3WvzJQr6mDUwhEyTf6pJWzaQ@mail.gmail.com/ https://lore.kernel.org/all/CAHk-=wjQGnVfb4jehFR0XyZikdQvCZouE96xR_nnf5kqaM5qqQ@mail.gmail.com/ Cc: Andrew Morton Cc: Arnd Bergmann Cc: Dan Williams Cc: Eric Dumazet Cc: Ingo Molnar Cc: Isabella Basso Cc: "Jason A. Donenfeld" Cc: Josh Poimboeuf Cc: Luc Van Oostenryck Cc: Masami Hiramatsu Cc: Nathan Chancellor Cc: Peter Zijlstra Cc: Rasmus Villemoes Cc: Sander Vanheule Cc: Steven Rostedt Cc: Vlastimil Babka Cc: Yury Norov Signed-off-by: Bart Van Assche Signed-off-by: Kees Cook Link: https://lore.kernel.org/r/20220826162116.1050972-3-bvanassche@acm.org Signed-off-by: Eliav Farber --- include/linux/compiler.h | 6 ++++++ include/linux/overflow.h | 1 - include/linux/trace_events.h | 2 -- 3 files changed, 6 insertions(+), 3 deletions(-) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index bbd74420fa21..004a030d5ad2 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -245,6 +245,12 @@ static inline void *offset_to_ptr(const int *off) /* &a[0] degrades to a pointer: a different type from an array */ #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0])) +/* + * Whether 'type' is a signed type or an unsigned type. Supports scalar types, + * bool and also pointer types. + */ +#define is_signed_type(type) (((type)(-1)) < (__force type)1) + /* * This is needed in functions which generate the stack canary, see * arch/x86/kernel/smpboot.c::start_secondary() for an example. diff --git a/include/linux/overflow.h b/include/linux/overflow.h index 73bc67ec2136..e6bf14f462e9 100644 --- a/include/linux/overflow.h +++ b/include/linux/overflow.h @@ -29,7 +29,6 @@ * https://mail-index.netbsd.org/tech-misc/2007/02/05/0000.html - * credit to Christian Biere. */ -#define is_signed_type(type) (((type)(-1)) < (type)1) #define __type_half_max(type) ((type)1 << (8*sizeof(type) - 1 - is_signed_type(type))) #define type_max(T) ((T)((__type_half_max(T) - 1) + __type_half_max(T))) #define type_min(T) ((T)((T)-type_max(T)-(T)1)) diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index 5af2acb9fb7d..0c8c3cf36f96 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -700,8 +700,6 @@ extern int trace_add_event_call(struct trace_event_call *call); extern int trace_remove_event_call(struct trace_event_call *call); extern int trace_event_get_offsets(struct trace_event_call *call); -#define is_signed_type(type) (((type)(-1)) < (type)1) - int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set); int trace_set_clr_event(const char *system, const char *event, int set); int trace_array_set_clr_event(struct trace_array *tr, const char *system, -- 2.47.3