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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 DB94EC77B7C for ; Tue, 24 Jun 2025 08:45:15 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uTzGY-0007xX-Up; Tue, 24 Jun 2025 04:44:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uTzGW-0007wj-K6; Tue, 24 Jun 2025 04:44:28 -0400 Received: from mgamail.intel.com ([198.175.65.12]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uTzGR-0000C4-17; Tue, 24 Jun 2025 04:44:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1750754663; x=1782290663; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=54wPzwcU/d63mPvQQx2hn5D56Z6ahGjNKMh0mdv8/KI=; b=c7k9sxg2u6HjnzCGOYxyMOeBuEA0/o+sk+dlytxxI4kpT4VzQIW2H+i4 pcOXGy36HKX5tIxROrtJgWlpEy6Gjw09G+rOcz3R7PLTZqonXx1kPXzb2 whyAm7RNbhObxVWWQZqQlvxOTuqXYxc0fsAR07uPwpyXWClYXps/rgBD+ gr132OhOlgjhI5r7XYNsS+0QbMsIdGW+kdPJu7H4imeHxWk/yChxQ8MvU 9g91bVgNNJi/7QIZTBNz8OgBS9UxA6tvHzWG39y4ls9/+8xv674l31xAe QfFFXySr8hWDG0xihH/7s/RKqbUCxjarw4cSqYPmbhj/73s4cSK4nbU5l g==; X-CSE-ConnectionGUID: 1fmy0blgRXiMEZ8Tpd2amA== X-CSE-MsgGUID: /IdbaYnOR2m7AbTLGpTQkg== X-IronPort-AV: E=McAfee;i="6800,10657,11473"; a="64415668" X-IronPort-AV: E=Sophos;i="6.16,261,1744095600"; d="scan'208";a="64415668" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jun 2025 01:44:17 -0700 X-CSE-ConnectionGUID: eisIKi4cS1yi/BBYlFvTaA== X-CSE-MsgGUID: 8gQhIpaXRBWTM3cwBSvHwA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,261,1744095600"; d="scan'208";a="157358580" Received: from liuzhao-optiplex-7080.sh.intel.com (HELO localhost) ([10.239.160.39]) by fmviesa004.fm.intel.com with ESMTP; 24 Jun 2025 01:44:16 -0700 Date: Tue, 24 Jun 2025 17:05:37 +0800 From: Zhao Liu To: Manos Pitsidianakis Cc: Paolo Bonzini , qemu-devel@nongnu.org, qemu-rust@nongnu.org, shentey@gmail.com Subject: Re: [PATCH] rust: log: implement io::Write Message-ID: References: <20250617081213.115329-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=198.175.65.12; envelope-from=zhao1.liu@intel.com; helo=mgamail.intel.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org > > @@ -136,8 +137,7 @@ macro_rules! log_mask_ln { > > if unsafe { > > (::qemu_api::bindings::qemu_loglevel & ($mask as std::os::raw::c_int)) != 0 > > } { > > - #[allow(unused_must_use)] > > - ::qemu_api::log::LogGuard::log_fmt( > > + let _ = ::qemu_api::log::LogGuard::log_fmt( > > format_args!("{}\n", format_args!($fmt $($args)*))); > > } > > }}; > > > Just `_ = ::qemu_api::log::LogGuard::log_fmt(...);` is sufficient, no > `let` needed. Good catch! Thank you Manos. Regards, Zhao