From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 E49D622422B for ; Mon, 7 Apr 2025 18:51:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744051881; cv=none; b=tYHjbLcJRWS9JWf29LCH/iLUEUd4asZI6UNVDgfpayiZRu/qJJp7vidnKeyYSKngFTX1jcjXZkVsTMqfZ9oVrREAaCP7fZ6/AkoI2pRto1EXPBwAwgoMWF6LmWawYHHAf2Vkf+I9gDjz1CCY4pvNu009S0PqFWciYoAP1nowClE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744051881; c=relaxed/simple; bh=m8fcxrwIZ81oqP3+PTHU29MMELBlQeCLYlUr8QdX2B4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gUeU/Z3oANefi+FdYBKFCNFdlCqzBRQNOqyaI5glH3S7Nm4U99JU1XfERSjJgl5S1CvFkw0d74t3a30Yiv2Hb7wRDy4rUjl18Gy+y+WVwHy6wL52REss1gWv5hsep75KiW2tXezYHPeMDj9iUPmFa8s6dO/GKD23IxCfK3hZpR0= 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=N9yrPiq5; arc=none smtp.client-ip=198.175.65.21 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="N9yrPiq5" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1744051880; x=1775587880; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=m8fcxrwIZ81oqP3+PTHU29MMELBlQeCLYlUr8QdX2B4=; b=N9yrPiq5YdH2B6Azw1OV9imDh3a9Aff2bXBm7tAfAvmlvo0rtuOZQrSJ v0we4DNtQt2QtMSZ60yny7ZlyZDprwFISuKWB6AiorUiDH7QGA63cLqb/ vtNZv+PwuiJs8nNei+8XG6K4UJpFbj1HTQOmm6zEdxNl94O5gJXBaVISb yEwAXo3t5mPOUMcNIwsu1NvzqGyao5zxrhgI1UU8XNVZmPvoIsLaTU2Xj eDy1xsMtTu2vd7pWvJshIXB/RMA/+yR5S92RIF0kyEnBEkk6DHL+mWQ5a +6T0sfkqNwtD6R6vk6p3yr5TvXddxZo+ORzCwUTbi4h6Ey6/qzomkwTa+ w==; X-CSE-ConnectionGUID: d9fgcxzXTJuyNXjDNG1Wvg== X-CSE-MsgGUID: UOZArcfYS029OBTJ5bdr9g== X-IronPort-AV: E=McAfee;i="6700,10204,11397"; a="45356799" X-IronPort-AV: E=Sophos;i="6.15,194,1739865600"; d="scan'208";a="45356799" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Apr 2025 11:51:19 -0700 X-CSE-ConnectionGUID: +tuUeOkeRIurk9EF5b6iqQ== X-CSE-MsgGUID: B8/dhCOxSfatSDXpCylsuQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,194,1739865600"; d="scan'208";a="132764938" Received: from smile.fi.intel.com ([10.237.72.58]) by fmviesa005.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Apr 2025 11:51:18 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.98.2) (envelope-from ) id 1u1rYx-0000000AASv-0uIV; Mon, 07 Apr 2025 21:51:15 +0300 Date: Mon, 7 Apr 2025 21:51:14 +0300 From: Andy Shevchenko To: "Rafael J. Wysocki" Cc: Saket Dumbre , Robert Moore , "Rafael J. Wysocki" , linux-acpi@vger.kernel.org, acpica-devel@lists.linux.dev Subject: Re: ACPICA compilation error on x86_64_defconfig (W=1 build) Message-ID: References: Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo On Mon, Apr 07, 2025 at 08:49:41PM +0200, Rafael J. Wysocki wrote: > On Mon, Apr 7, 2025 at 8:47 PM Andy Shevchenko > wrote: > > > > v6.15-rc1 (but seems older should also be problematic) fails to compile by > > Clang 19 with `make W=1`. > > > > CC drivers/acpi/acpica/nsaccess.o > > drivers/acpi/acpica/nsaccess.c:295:6: error: variable 'num_carats' set but not used [-Werror,-Wunused-but-set-variable] > > 295 | u32 num_carats; > > | ^ > > 1 error generated. > > > > I looked briefly in the code and I have no idea how to fix this, as probably > > __maybe_unused not an option for ACPICA. Hence this report. > > > > Note, the in-tree defconfig is in use: > > > > git checkout v6.15-rc1 > > make x86_64_defconfig > > make W=1 Since it's a clang, this should have also something like LLVM=1. > > should trigger it. -- With Best Regards, Andy Shevchenko