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 X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7DE0BC43219 for ; Mon, 29 Apr 2019 22:06:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 47C5B215EA for ; Mon, 29 Apr 2019 22:06:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="h5hYMGMC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729552AbfD2WGc (ORCPT ); Mon, 29 Apr 2019 18:06:32 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:49175 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729409AbfD2WGc (ORCPT ); Mon, 29 Apr 2019 18:06:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=CDkCYbBrMqsa0J2dGF7qat95dbAVM0+F+tk4bLYplek=; b=h5hYMGMCjtscuGrEym+sefVT0T oVIvFVAdxF1s1igVBA+j9FCpaxdJTEufYRyHMF2uuO8dRPWmcDK7J2dG3taU9DR1YVTIkEDJEXAMW Hy7SVCDqm10poJH6BmQALi7nL4yC9fmqxbsYPZyu85n31QsSjmLyiTmGM0YQ2lqmNV+M=; Received: from andrew by vps0.lunn.ch with local (Exim 4.89) (envelope-from ) id 1hLEPW-0007Io-Qb; Tue, 30 Apr 2019 00:06:06 +0200 Date: Tue, 30 Apr 2019 00:06:06 +0200 From: Andrew Lunn To: Esben Haabendal Cc: netdev@vger.kernel.org, "David S. Miller" , Michal Simek , Yang Wei , Luis Chamberlain , YueHaibing , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 03/12] net: ll_temac: Fix support for 64-bit platforms Message-ID: <20190429220606.GL12333@lunn.ch> References: <20190426073231.4008-1-esben@geanix.com> <20190429083422.4356-1-esben@geanix.com> <20190429083422.4356-4-esben@geanix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190429083422.4356-4-esben@geanix.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Mon, Apr 29, 2019 at 10:34:13AM +0200, Esben Haabendal wrote: > The use of buffer descriptor APP4 field (32-bit) for storing skb pointer > obviously does not work on 64-bit platforms. > As APP3 is also unused, we can use that to store the other half of 64-bit > pointer values. > > Contrary to what is hinted at in commit message of commit 15bfe05c8d63 > ("net: ethernet: xilinx: Mark XILINX_LL_TEMAC broken on 64-bit") > there are no other pointers stored in cdmac_bd. > > Signed-off-by: Esben Haabendal Reviewed-by: Andrew Lunn Andrew