From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) (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 7431B38DDC for ; Tue, 27 Feb 2024 02:20:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709000449; cv=none; b=kNOVEy1ODS3iApSMMyim5axD1UJXm9417G9oBJLnWNuNvjb6dJV6C4qFYC/eqGj+GcIsTpeuRZeqAKjxPDUIb1F9tN7CWye/llToNi2o1ZbMr8d0/T1X9vushkYXdvt5IcdQJB1jHv03E3wNw/f8BHtmvvV27Pjs7KmLIJmU0iU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709000449; c=relaxed/simple; bh=rGkjK8I6tdNmwQIoAe5T5sY8845ERzQRM0cTXjlxP3Y=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=bOYGKQ7qywA3ShuyKdzYSk8kTcu1HgAcI1iDPAvslUlDTn8NcGRu5JS9SrP8IJL3IOf2LmGErXWOqfAkUsmplKchCgzn/GqUw5PkEQns0n5H1jiAb0EYQmNxIaKX80T8NVtd4nOCqzt8OUzsV+wAiV62ToS2HD3Ie6ZQf/I9CBI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=CEwkZYR4; arc=none smtp.client-ip=192.198.163.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="CEwkZYR4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709000448; x=1740536448; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rGkjK8I6tdNmwQIoAe5T5sY8845ERzQRM0cTXjlxP3Y=; b=CEwkZYR46vbarV65BOMW8xBqTZQJ0UPRmA0NF7aNii6r7SCv1PvLTSmz qxb4tCR32VgTR1Gx+2Y8qa5OmUKCF1jwuGxn13WTrdlc1ugdcXQL9AmhP GwuXU8jwum6cwQJR9wVV/Tl1Y3dlUv8zK3hbghGv6o+2/+qwlNzGg033X rYBf47wwY2RoUHucr8Nus48FTA+WHVcU/IGlDN3vPW2kvPrzW7ppMTCjj rBh7qqmzNz13bXfhiux9FaNOLXX0b43pKeb0Pz5mPIqkkUbo3U1/JI0Lf I9u3FW+9x9YROet0RNVVUNa7BUmZjC28dIZIezW1l+628PfPHdT5FCIXf A==; X-IronPort-AV: E=McAfee;i="6600,9927,10996"; a="6273120" X-IronPort-AV: E=Sophos;i="6.06,187,1705392000"; d="scan'208";a="6273120" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2024 18:20:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,187,1705392000"; d="scan'208";a="7418300" Received: from allen-box.sh.intel.com ([10.239.159.127]) by orviesa008.jf.intel.com with ESMTP; 26 Feb 2024 18:20:46 -0800 From: Lu Baolu To: Joerg Roedel Cc: Tina Zhang , Erick Archer , Jingqi Liu , iommu@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 5/8] iommu/vt-d: Remove initialization for dynamically heap-allocated rcu_head Date: Tue, 27 Feb 2024 10:14:38 +0800 Message-Id: <20240227021441.50434-6-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240227021441.50434-1-baolu.lu@linux.intel.com> References: <20240227021441.50434-1-baolu.lu@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Tina Zhang The rcu_head structures allocated dynamically in the heap don't need any initialization. Therefore, remove the init_rcu_head(). Signed-off-by: Tina Zhang Link: https://lore.kernel.org/r/20240219125723.1645703-3-tina.zhang@intel.com Signed-off-by: Lu Baolu --- drivers/iommu/intel/svm.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index a815362c8e60..a92a9e2239e2 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -360,7 +360,6 @@ static int intel_svm_bind_mm(struct intel_iommu *iommu, struct device *dev, sdev->iommu = iommu; sdev->did = FLPT_DEFAULT_DID; sdev->sid = PCI_DEVID(info->bus, info->devfn); - init_rcu_head(&sdev->rcu); if (info->ats_enabled) { sdev->qdep = info->ats_qdep; if (sdev->qdep >= QI_DEV_EIOTLB_MAX_INVS) -- 2.34.1