From patchwork Tue Mar 18 13:02:10 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhao Liu X-Patchwork-Id: 14020918 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 6D8BCC28B2F for ; Tue, 18 Mar 2025 12:44:02 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tuWHT-00088a-5Q; Tue, 18 Mar 2025 08:42:51 -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 1tuWH7-0007qv-GO; Tue, 18 Mar 2025 08:42:30 -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 1tuWH3-0002we-Q6; Tue, 18 Mar 2025 08:42:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1742301746; x=1773837746; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AJ9pLJabRD2fMSQ7De1Zod0j1WnZ3dKpbCNMa8ACBf8=; b=dSuc7Z6kiLorhyvXsqRgCABzoCczeZrdnVaUj4qc0e/BJyLVGwlrux/O rnKjgoIMROpSZPf2RWpuBxUKr/cXs0D8Bx2ZLhdHbpCaxZ28IMbyx71dT NaT40+FhSqosMKakUN9G6B/CEyjIkTEJSrrAgKegGofCthYG0lfL1OS9W x927x5gYidVXPfvm5gLawPNjwt+prWDXtWAXEKaZaDMKvLGUKJ/Z1F84G xsHui8mWmdv/RUeo6BK3gVSnlRBnB0gGs3iG+yWaWPD7SxlyDRMurSjvl v1/sq1qoHVz1AMlIxrLqzSykD6RVVz0ZlnRvnknnT2zZIsgpWla13kk8q g==; X-CSE-ConnectionGUID: rtP3JjA8SaeVrSA0kgIFCA== X-CSE-MsgGUID: UfrMxvXASxCL1nwge8JyFw== X-IronPort-AV: E=McAfee;i="6700,10204,11377"; a="54824574" X-IronPort-AV: E=Sophos;i="6.14,256,1736841600"; d="scan'208";a="54824574" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Mar 2025 05:42:17 -0700 X-CSE-ConnectionGUID: 4FXcNxZWQ9mxA0WoInmt+Q== X-CSE-MsgGUID: 47KK16V1QXyU1QsLU4UZMQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,256,1736841600"; d="scan'208";a="121980448" Received: from liuzhao-optiplex-7080.sh.intel.com ([10.239.160.39]) by orviesa009.jf.intel.com with ESMTP; 18 Mar 2025 05:42:15 -0700 From: Zhao Liu To: Paolo Bonzini Cc: qemu-devel@nongnu.org, qemu-rust@nongnu.org, Zhao Liu Subject: [PATCH v3 06/15] rust/vmstate: Fix "cannot infer type" error in vmstate_struct Date: Tue, 18 Mar 2025 21:02:10 +0800 Message-Id: <20250318130219.1799170-7-zhao1.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250318130219.1799170-1-zhao1.liu@intel.com> References: <20250318130219.1799170-1-zhao1.liu@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=198.175.65.12; envelope-from=zhao1.liu@intel.com; helo=mgamail.intel.com X-Spam_score_int: -46 X-Spam_score: -4.7 X-Spam_bar: ---- X-Spam_report: (-4.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.332, 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_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_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 Rust cannot infer the type (it should be VMStateField) after Zeroable::ZERO, which cause the compiling error. To fix this error, call with_varray_flag() after VMStateField's initialization. Signed-off-by: Zhao Liu --- rust/qemu-api/src/vmstate.rs | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/rust/qemu-api/src/vmstate.rs b/rust/qemu-api/src/vmstate.rs index 9d9cdda993ce..3be3a7260fe9 100644 --- a/rust/qemu-api/src/vmstate.rs +++ b/rust/qemu-api/src/vmstate.rs @@ -453,13 +453,15 @@ macro_rules! vmstate_struct { size: ::core::mem::size_of::<$type>(), flags: $crate::bindings::VMStateFlags::VMS_STRUCT, vmsd: $vmsd, - ..$crate::zeroable::Zeroable::ZERO $( - .with_varray_flag($crate::call_func_with_field!( - $crate::vmstate::vmstate_varray_flag, - $struct_name, - $num)) - $(.with_varray_multiply($factor))?)? - } + ..$crate::zeroable::Zeroable::ZERO + } $(.with_varray_flag( + $crate::call_func_with_field!( + $crate::vmstate::vmstate_varray_flag, + $struct_name, + $num + ) + ) + $(.with_varray_multiply($factor))?)? }; }