From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 8E74430BF4E for ; Sun, 14 Jun 2026 23:05:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781478341; cv=none; b=bTskG3Q/nlgLXaUm8Tv4saE8wgZQ0nMjgc194h1UONW5lOv8VttYXpZNUPxKEgrrupSBE4KqEBCsfc7cRSu+SP3Nfj3MhxQ05L0/W02CP/2dvFYJQD0mVjVOVMyyGo3SVYcdS6WmU9Ufp/Hkrab2uk5wbzTQdfUArcBqiZTsmfM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781478341; c=relaxed/simple; bh=Z6AGCYUSL8KT79dPHKFFnaVSSdbcQbsX+r/FlYuPIPc=; h=Date:From:To:Cc:Subject:Message-ID; b=We5ltSIO+eFNTTF8bZ2g3Cdjz3uBsh3HinbHmFdrixmCJe8CJSEHgnX4hB2BOZP7WkJ8CTU8MQsRDaowEUguwF7iI+rMemdB9McF/97SOJFPz/dJ6k1PvMgQujjHZGkEhpTBGN4LtUVjg97PPm40TjX/KWK8a9iFED7T/JARWCk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=fzj4G4dl; arc=none smtp.client-ip=192.198.163.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="fzj4G4dl" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1781478340; x=1813014340; h=date:from:to:cc:subject:message-id; bh=Z6AGCYUSL8KT79dPHKFFnaVSSdbcQbsX+r/FlYuPIPc=; b=fzj4G4dl0Bt4nOrqWPq1oNtjo2CTBTpfA/gEEK3UHDukiD1ALi+yTbEs zK7S0DFaVPGL3QkThe8R8znzB4O2GPceMgA8qplcX08pT2iquLmIEKSzP 3XX0tAgXUA57ThejXE0x6mhkM8Fpe5r2hs5OUbeGAlNA7llvAU3RTAKtk 5Glk6fdqTRvviIGiraknPU5SKlTmm7dfUJnlQ01wckdIbO8qtL7+aYLTu 77rfEWK0FHlIGgkJlhgLfgbLnKF9wc7hHHm6KX8V0ry7pZYltjhnD6fQ8 +UJE3FhvPVsaJWo72vCq26uYYQKwaoYG2MGQaiEYABw9xvhzMNwJt8Imh Q==; X-CSE-ConnectionGUID: ugsb4wbkRD6PW8KMfsl5Jw== X-CSE-MsgGUID: Em7ZX1hAQ2awOHaVNMmN5g== X-IronPort-AV: E=McAfee;i="6800,10657,11817"; a="82255588" X-IronPort-AV: E=Sophos;i="6.24,205,1774335600"; d="scan'208";a="82255588" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jun 2026 16:05:39 -0700 X-CSE-ConnectionGUID: FPP5VyzvTciHcjiAE4lbwQ== X-CSE-MsgGUID: bHSxzY58TCy1/PzWDnx6Rw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,205,1774335600"; d="scan'208";a="251587941" Received: from igk-lkp-server01.igk.intel.com (HELO 892db79562d4) ([10.211.93.152]) by orviesa004.jf.intel.com with ESMTP; 14 Jun 2026 16:05:37 -0700 Received: from kbuild by 892db79562d4 with local (Exim 4.98.2) (envelope-from ) id 1wYttX-000000004m1-0cmH; Sun, 14 Jun 2026 23:05:35 +0000 Date: Mon, 15 Jun 2026 01:04:56 +0200 From: kernel test robot To: Ashwin Gundarapu Cc: oe-kbuild-all@lists.linux.dev, 0day robot Subject: drivers/acpi/processor_idle.c:699:39: warning: suggest braces around empty body in an 'if' statement Message-ID: <202606150127.ut0iFPwm-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://github.com/intel-lab-lkp/linux/commits/Ashwin-Gundarapu/x86-acpi-remove-unused-ACPI_FLUSH_CPU_CACHE-macro/20260614-224607 head: 651c474aa81fd5a23e9392b8bdb69a6b55412111 commit: 651c474aa81fd5a23e9392b8bdb69a6b55412111 x86/acpi: remove unused ACPI_FLUSH_CPU_CACHE macro date: 8 hours ago config: i386-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260615/202606150127.ut0iFPwm-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260615/202606150127.ut0iFPwm-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202606150127.ut0iFPwm-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/acpi/processor_idle.c: In function 'acpi_idle_enter': >> drivers/acpi/processor_idle.c:699:39: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 699 | ACPI_FLUSH_CPU_CACHE(); | ^ vim +/if +699 drivers/acpi/processor_idle.c 6491bc0c616969f Rafael J. Wysocki 2015-02-03 676 409dfdcaffb266a Guilherme G. Piccoli 2022-06-07 677 static int __cpuidle acpi_idle_enter(struct cpuidle_device *dev, 6491bc0c616969f Rafael J. Wysocki 2015-02-03 678 struct cpuidle_driver *drv, int index) 6491bc0c616969f Rafael J. Wysocki 2015-02-03 679 { 6491bc0c616969f Rafael J. Wysocki 2015-02-03 680 struct acpi_processor_cx *cx = per_cpu(acpi_cstate[index], dev->cpu); 6491bc0c616969f Rafael J. Wysocki 2015-02-03 681 struct acpi_processor *pr; 6491bc0c616969f Rafael J. Wysocki 2015-02-03 682 6491bc0c616969f Rafael J. Wysocki 2015-02-03 683 pr = __this_cpu_read(processors); 6491bc0c616969f Rafael J. Wysocki 2015-02-03 684 if (unlikely(!pr)) 6491bc0c616969f Rafael J. Wysocki 2015-02-03 685 return -EINVAL; 6491bc0c616969f Rafael J. Wysocki 2015-02-03 686 6491bc0c616969f Rafael J. Wysocki 2015-02-03 687 if (cx->type != ACPI_STATE_C1) { 1fecfdbb7acc662 Peter Zijlstra 2020-09-15 688 if (cx->type == ACPI_STATE_C3 && pr->flags.bm_check) 1fecfdbb7acc662 Peter Zijlstra 2020-09-15 689 return acpi_idle_enter_bm(drv, pr, cx, index); 1fecfdbb7acc662 Peter Zijlstra 2020-09-15 690 1fecfdbb7acc662 Peter Zijlstra 2020-09-15 691 /* C2 to C1 demotion. */ 5f5081852038d9a Rafael J. Wysocki 2015-02-11 692 if (acpi_idle_fallback_to_c1(pr) && num_online_cpus() > 1) { dc2251bf98c66db Rafael J. Wysocki 2017-08-23 693 index = ACPI_IDLE_STATE_START; 6491bc0c616969f Rafael J. Wysocki 2015-02-03 694 cx = per_cpu(acpi_cstate[index], dev->cpu); 6491bc0c616969f Rafael J. Wysocki 2015-02-03 695 } 6491bc0c616969f Rafael J. Wysocki 2015-02-03 696 } 6491bc0c616969f Rafael J. Wysocki 2015-02-03 697 6491bc0c616969f Rafael J. Wysocki 2015-02-03 698 if (cx->type == ACPI_STATE_C3) 6491bc0c616969f Rafael J. Wysocki 2015-02-03 @699 ACPI_FLUSH_CPU_CACHE(); 6491bc0c616969f Rafael J. Wysocki 2015-02-03 700 6491bc0c616969f Rafael J. Wysocki 2015-02-03 701 acpi_idle_do_entry(cx); 6491bc0c616969f Rafael J. Wysocki 2015-02-03 702 e978aa7d7d57d04 Deepthi Dharwar 2011-10-28 703 return index; 4f86d3a8e297205 Len Brown 2007-10-03 704 } 4f86d3a8e297205 Len Brown 2007-10-03 705 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki