From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (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 9F92918AFE; Wed, 15 Apr 2026 04:49:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776228571; cv=none; b=BqPJtLFmpYLhvEkGuB9z5sk8xjg9q3vfOSODbRPgc7xN21dTjdYABbqQmw9SrEOn4ETqbkIgukKcerwwLW2oMTLIbDbOJl46frvDSiUKY5qvXy3nSfuTlI5rjzDjX6JZ2MgYAVzKmqyUOGLVtwAuqTMXw9V3alPGt6RwU4/ni8U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776228571; c=relaxed/simple; bh=P9zel4N4vJ/m7EaNlzsfUxdcYvuyDvrGFljiQLe6NfM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=u9eTAK5+Fiqgpm1eapm35yztEy+OOaKd6yFykodANTWxCpyk2v+kPnve5dWAGvPfRLaHX55NRGdbG8q9dXLrrOBWyi4Z2l9Ab+tK0WduZQFGHH5wKewHixlqDvljUTB3z4byiviGeUaEPc1QyAXNVxktocltM0SPcY/j5VPGqnI= 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=G4JWSjNS; arc=none smtp.client-ip=198.175.65.18 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="G4JWSjNS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1776228570; x=1807764570; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=P9zel4N4vJ/m7EaNlzsfUxdcYvuyDvrGFljiQLe6NfM=; b=G4JWSjNSE7CaZlNKEh0KucBIAQbZsRmzEwGV4eUMkl8kX9QPtrTDglJk axaPUAfE47EkiznpaEreP6JP8LjytGJ570q0l3XN9zlZBIUnaQFbj+OUM DWXo1UNUGIU3GcPvr3bLF9KAoobuiv+OWyBz9Q1IlmLQZZscWtDnyxmIs Xft6MMydnOpgERRxFvifx3SO0PaqfnpvYRVcVq6z2/+gBMzYl77sRF5qs O2S/42sVORxs2I+nUah2W9Ji0oItmUFuMo9cNYYMSsn10k+45qqkoebZl m0KYEV9fEMFu7RBbocy8blv9jzzHCZeUcEXuwJb3hK0dJnc2J0TsE1vi+ A==; X-CSE-ConnectionGUID: t6tmHgJTS0OfGNpyM+QJsA== X-CSE-MsgGUID: MgV7DNVqRKygU1PN8XV7UQ== X-IronPort-AV: E=McAfee;i="6800,10657,11759"; a="77220472" X-IronPort-AV: E=Sophos;i="6.23,179,1770624000"; d="scan'208";a="77220472" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2026 21:49:29 -0700 X-CSE-ConnectionGUID: hwmshjR5RR+cptQjVspaiw== X-CSE-MsgGUID: ZxL9D9PjRPy5uaDr9vjVCQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,179,1770624000"; d="scan'208";a="225994423" Received: from rvuia-mobl.ger.corp.intel.com (HELO localhost) ([10.245.244.34]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2026 21:49:26 -0700 Date: Wed, 15 Apr 2026 07:49:23 +0300 From: Andy Shevchenko To: Rosen Penev Cc: dmaengine@vger.kernel.org, Andy Shevchenko , Vinod Koul , Frank Li , Kees Cook , "Gustavo A. R. Silva" , "open list:INTEL MID (Mobile Internet Device) PLATFORM" , "open list:KERNEL HARDENING (not covered by other areas):Keyword:b__counted_by(_le|_be)?b" Subject: Re: [PATCHv4] dmaengine: hsu: use kzalloc_flex() Message-ID: References: <20260415032753.6006-1-rosenp@gmail.com> Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260415032753.6006-1-rosenp@gmail.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Tue, Apr 14, 2026 at 08:27:53PM -0700, Rosen Penev wrote: > Simplifies allocations by using a flexible array member in this struct. > > Remove hsu_dma_alloc_desc(). It now offers no readability advantages in > this single usage. > > Add __counted_by to get extra runtime analysis. > > Apply the exact same treatment to struct hsu_dma and devm_kzalloc(). Reviewed-by: Andy Shevchenko -- With Best Regards, Andy Shevchenko