From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f202.google.com (mail-pg1-f202.google.com [209.85.215.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 935D23AC16 for ; Wed, 10 Apr 2024 23:26:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712791608; cv=none; b=E5jlAIkYGh8F2BYnL09YLYP5uIV4KeDIXffxHYILWc/lGOKWYnuAjgyhwFz2eaWyP7YBRuV8HxAHcEzxgaP+lVz7aRg3ygOfmuEQ+9XEh3rxrdoEYf5V4g00flsoQoWvj7W5s2zmox2vKCrMkU6Z++lmnh7t+hgEubzxZvw1g98= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712791608; c=relaxed/simple; bh=QVx11GFaCCb7N4Yio7fGICCAENUW3V/BWi5Vnx+PoZQ=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=o6iG0XDjnszWftYqCoxjMOdFt7EugBJEfNPWkuLHm3M3fsmltQuPfkim6JizmEeQlTh2Cdtr8HSl69XrSDUKEupX+Cd12HtIx0DyX1pJumg3aXGdmwJQuagBn5CtWlmmLNQRlhaQLJJRUmHJQOeDmKx1wfw9nl2nBaTw4pOft6Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jstultz.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=2bAxsRGs; arc=none smtp.client-ip=209.85.215.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--jstultz.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="2bAxsRGs" Received: by mail-pg1-f202.google.com with SMTP id 41be03b00d2f7-5f0382f688fso5170716a12.0 for ; Wed, 10 Apr 2024 16:26:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1712791606; x=1713396406; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=YqMlKesOrPLSfKThat23VwjdSe9gCiof2Hkve//abGE=; b=2bAxsRGs/vAdnVweQ+LLBJ6rSvemZw9Iv/VYWQij7estfWltypbn51JkVgHb1z30DK JBgx063VJ4PIkSTROBL5m2smau21aSUKqVbV5G+3mMO4K+U3YTPNcHFECyKGjC/RMKNP 939UEp98XTzhXBqV5So7ZxkoEdsKeMRFYdYw6mDFYG/6+9T21ApLAL8TBuMKDOZrwif5 fCsp0urUhTy9yIsz9u6lYmKf41xhWUYDASELO7KBeSA5mIpcOY+yoqA87mATeThAhn2R hX2Z/ARNtPrYrGAC31tdF4MdoNIHqxWqng8wC/8qhvual0Aadqnf40bSMgqcbq2C+Pya U7gQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712791606; x=1713396406; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=YqMlKesOrPLSfKThat23VwjdSe9gCiof2Hkve//abGE=; b=IT9YBbA3QA+cTSbqF/s0kmUj2nbEjiXrW8EuZGwKU2gh7nlI2cBJCNG9Kd/Nkmjgow miNLN6LVEV0AwP7EekF6dPJkASjbHrXBiZcjxK7fHo4TsXZd0gWtatn+gvP4hYQvLC7k RJxU6YJ9+bTKzxRjVCj6p0kc7lSwvgMoJdT3QbzyD5RdOiLxVjhw53/w7KhXNKTZLRIU QfW3oYNhLF5Nj6nfUmSFIGXYW/ncjO5RCvDqC1j8SNFacV2D1njEEaWp+UKLLncBvrUU ewqYaaB3OqTLsj5puFB76bGBoHQgKsW6gsaxPLQZ9veXRiHZnKbXjx4/IhKglgUP/tAt hJDQ== X-Gm-Message-State: AOJu0Yza5cNj2uaWmqM2t6KnhqOXiAGluAdqFn5xJHrgpbmaypHB15Px VIIB8PC39O56f3CzmErV1Uq3UnVVZSbHT9CwCvO1J/unXPoRvbr+nBS56s7hxPJbdPhPg7JEJR4 gEIn8j8vUJlO+bIwIUpGk0DybcyuooZWA0BAoswyL/w9twwq4bCko+a3RqJUbgT7jjZtpl0FJE/ ByTLGrHPakhliClqJFvCgP/eZo0IrY3wtbQFLpzGrh9EW9 X-Google-Smtp-Source: AGHT+IHouF3P+iPzjB2QiKGl6ZZPLBEONmG9rrx+ed3xbWsI4elR12lweA0nFbIvZPSYd5HufyBuz5M+ZKmN X-Received: from jstultz-noogler2.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:600]) (user=jstultz job=sendgmr) by 2002:a17:902:e80c:b0:1e0:feef:5c1d with SMTP id u12-20020a170902e80c00b001e0feef5c1dmr311262plg.10.1712791605672; Wed, 10 Apr 2024 16:26:45 -0700 (PDT) Date: Wed, 10 Apr 2024 16:26:30 -0700 In-Reply-To: <20240410232637.4135564-1-jstultz@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240410232637.4135564-1-jstultz@google.com> X-Mailer: git-send-email 2.44.0.478.gd926399ef9-goog Message-ID: <20240410232637.4135564-3-jstultz@google.com> Subject: [PATCH 3/3] selftests: timers: Fix abs() warning in posix_timers test From: John Stultz To: LKML Cc: John Stultz , Shuah Khan , Anna-Maria Behnsen , Frederic Weisbecker , Thomas Gleixner , Stephen Boyd , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Oleg Nesterov , Andrew Morton , Edward Liaw , Carlos Llamas , kernel-team@android.com, linux-kselftest@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Building with clang, I'm seeing: posix_timers.c:69:6: warning: absolute value function 'abs' given an argument of type 'long long' but has parameter of type 'int' which may cause truncation of value [-Wabsolute-value] if (abs(diff - DELAY * USECS_PER_SEC) > USECS_PER_SEC / 2) { ^ So switch to using llabs() instead. Cc: Shuah Khan Cc: Anna-Maria Behnsen Cc: Frederic Weisbecker Cc: Thomas Gleixner Cc: Stephen Boyd Cc: Nathan Chancellor Cc: Nick Desaulniers Cc: Bill Wendling Cc: Justin Stitt Cc: Oleg Nesterov Cc: Andrew Morton Cc: Edward Liaw Cc: Carlos Llamas Cc: kernel-team@android.com Cc: linux-kselftest@vger.kernel.org Fixes: 0bc4b0cf1570 ("selftests: add basic posix timers selftests") Signed-off-by: John Stultz --- tools/testing/selftests/timers/posix_timers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/timers/posix_timers.c b/tools/testing/selftests/timers/posix_timers.c index 348f47176e0a..c001dd79179d 100644 --- a/tools/testing/selftests/timers/posix_timers.c +++ b/tools/testing/selftests/timers/posix_timers.c @@ -66,7 +66,7 @@ static int check_diff(struct timeval start, struct timeval end) diff = end.tv_usec - start.tv_usec; diff += (end.tv_sec - start.tv_sec) * USECS_PER_SEC; - if (abs(diff - DELAY * USECS_PER_SEC) > USECS_PER_SEC / 2) { + if (llabs(diff - DELAY * USECS_PER_SEC) > USECS_PER_SEC / 2) { printf("Diff too high: %lld..", diff); return -1; } -- 2.44.0.478.gd926399ef9-goog