Received: by 2002:a25:868d:0:0:0:0:0 with SMTP id z13csp3214ybk; Fri, 8 May 2020 16:42:33 -0700 (PDT) X-Google-Smtp-Source: APiQypKkcXEfvykc7+eGFszgZJ4qUD8uaCKgH6uPOxPIkN7m0qaEDSvemvAVk4XujJ5QCtGnyHaP X-Received: by 2002:a17:906:4a82:: with SMTP id x2mr2587167eju.194.1588981353141; Fri, 08 May 2020 16:42:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1588981353; cv=none; d=google.com; s=arc-20160816; b=UW40tHjwR+q3Pv7WRZsKsiIsO3l3PlsEs7Fc4c9bhP9jgI2MVnywR8M7rUxOWxKP+f GKnkwS83Liryxz5gvR+DloQ8wWV7d+70zda9Nxqax/YVAISoqrwEDVKJ2e98dqcDQKHt yjMdLJsPvdOPzreba7Ts48Nq5nSk0UEw/BctW05icx1dbkSi0jUOEYHG10XvADwfitlS SGj1FzIZyqtlo3/2Ev4JTEPMVCci3/ssUctaTa4O6PdPt3FPZHEXjMpBNGJE+GWV3IQL z3/oAbhosiUiPfRnuPijkhdgO5LUC9qq7dxlsRmxzfT0ENHQuBKSn0nsB6RXihrfG20k wVTQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :dkim-signature; bh=Dd2zuqEXRuEMqCqqa3GQNFyrisBag0etBDyGUWiLvbA=; b=y52vgGTroJReewa3iNAzcpdI0Nroiq6bXm9dBXU3G39aDmP4U41S8Oxp9Vux/egE0r GjavPLRTHAfycQFz3a1JBH213I/MXP26UI+WBC03e8GQtzuCxCYgcxzYk+fioGuq1kEq RK36VxTGJDHY7tfNvgvlzhtOXxqWO3jaE2Sdn9XDmQfCi+sUshrb1SWbPBRY0tGwPlS4 SPVdrqFX2UP+yU4oVLw7ov8lcnihXSZJLvaHpWEZCBX9pvufcweSW0qpB4ETVS2aEuBP 9Q6O11kbkAeMfeaMMrVdl1s5QPHSi2saEKTZZruuKZW/CvotofNq6QLRnV06PgNWavT0 sXVw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=MiP2WKM8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id l24si1875435ejc.451.2020.05.08.16.42.09; Fri, 08 May 2020 16:42:33 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=MiP2WKM8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728231AbgEHXgo (ORCPT + 99 others); Fri, 8 May 2020 19:36:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:58104 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727878AbgEHXgo (ORCPT ); Fri, 8 May 2020 19:36:44 -0400 Received: from kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com (unknown [163.114.132.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A1E8021974; Fri, 8 May 2020 23:36:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588981003; bh=y2uMkUrjYNx1AQkK9Ti095ohWKHAeRgfxh0qp2vEiGw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=MiP2WKM85nKozLbjRSfJLvBbuWTvCLBWnT26m9F+GqEK/NIJEjEae2EMdh25A08GO mLvEaSdPWAihl3rHKbPhybeRdJgScG/54kFyTg4xeNLGtsnuUKn8Swr4R3GO9rkqxi 2VWTWbhhrS1ipP+vX4gHDooW4fXY9yHjJmtkcnDU= Date: Fri, 8 May 2020 16:36:42 -0700 From: Jakub Kicinski To: Saeed Mahameed Cc: "Gustavo A. R. Silva" , Leon Romanovsky , netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] net/mlx5: Replace zero-length array with flexible-array Message-ID: <20200508163642.273bda4f@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> In-Reply-To: <20200507185935.GA15169@embeddedor> References: <20200507185935.GA15169@embeddedor> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 7 May 2020 13:59:35 -0500 Gustavo A. R. Silva wrote: > The current codebase makes use of the zero-length array language > extension to the C90 standard, but the preferred mechanism to declare > variable-length types such as these ones is a flexible array member[1][2], > introduced in C99: > > struct foo { > int stuff; > struct boo array[]; > }; Saeed, I'm expecting you to take this and the mlx4 patch via your trees.