Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp5156665yba; Tue, 30 Apr 2019 10:02:24 -0700 (PDT) X-Google-Smtp-Source: APXvYqyDpfRTs8sOWG0j2RJBZLheVAZKteuNqaB3dNR1P0omPweE442AQkoLbVjGrJ3TOYBozh6Z X-Received: by 2002:a17:902:b210:: with SMTP id t16mr70666843plr.84.1556643744649; Tue, 30 Apr 2019 10:02:24 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1556643744; cv=none; d=google.com; s=arc-20160816; b=IzyR7TpPbscogBwmcK5VNh1mnyjrZx64QNc+Hms8zjHTwlVNeS1V9gPQKUqpmYqUGH 5SK5vxAoDnkoUfIvnsou8GFOUG9D43Sldpi8g3lyY67KIOgHLUPSxZ9yStze3DTW33/A 8fwffp6d0xBFd6Ab2alT0yVcirztKwnJV87wLv5ok5CU25634qbR1Nxv188KAa0QsKDR pMSAaA2BnU6Z6hl5xaWERuGRx4XTTIXQNiXDRes5UO2hY9/Ar7UGL4rkEBpqbJ6R92QT +Tjvjf6nDT3+BwbMDPkbHTcuRJ+M9qHIkrLw2g73vnlgU2QthCxdyTVOS4vkHHagM0g7 0mMw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=BtznMGJClosN3hpxBR1MF0LMvYBaVQU8HSmMwTGaRr8=; b=CX1Tv+WqXPLe6CT0v6XUZtPM0XehV6EOLzYSM31k4nXixuUL7vlpG+qnvR2TMKkeWB BnPA9UBG6vyfWlKxQoDPPOZHK4krdkboWPMDRQRrUaUAg6Iqorhp4JeyV9AOmwcS50mX e08uggbgFAPh/HnhKV/TogFifU4z7BldZz8tup5aisOJxwqxWDZpAvlE/Q6IyNt4GTUL +lrylFjXSdfoQXg1NSaju54R8VMIyBAnVqQhbR12eRREwwO+1ABewEajT6fho0g+Apk6 zbuUk6tyKYZWjsy/eklKEJfXON3xaVBJMk0Kq+UwEsmGcA0EDXC6wIs7hAjpqc6pTDpJ rccA== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@lunn.ch header.s=20171124 header.b="KYUTkcy/"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id b98si36420752plb.375.2019.04.30.10.02.07; Tue, 30 Apr 2019 10:02:24 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@lunn.ch header.s=20171124 header.b="KYUTkcy/"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726681AbfD3RBB (ORCPT + 99 others); Tue, 30 Apr 2019 13:01:01 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:50313 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725930AbfD3RBB (ORCPT ); Tue, 30 Apr 2019 13:01:01 -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=BtznMGJClosN3hpxBR1MF0LMvYBaVQU8HSmMwTGaRr8=; b=KYUTkcy/1PFlnjOIw1wgJDFgis +s7lU7WwA1BKBZnFKsf6TQXYzMjApzfvg8MOeNMi2Fdw2f3CMud2ay+5Kz661eyP8fZlMWBfq7Hz1 NiVYYpz92RERpcrLdZRxFAV1yFxmodOhN9oMn24m3Za211N7pVMCXcWbiVyo/hKb6ddU=; Received: from andrew by vps0.lunn.ch with local (Exim 4.89) (envelope-from ) id 1hLW7e-0001xJ-Ul; Tue, 30 Apr 2019 19:00:50 +0200 Date: Tue, 30 Apr 2019 19:00:50 +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 v3 08/12] net: ll_temac: Fix iommu/swiotlb leak Message-ID: <20190430170050.GD30817@lunn.ch> References: <20190429083422.4356-1-esben@geanix.com> <20190430071759.2481-1-esben@geanix.com> <20190430071759.2481-9-esben@geanix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190430071759.2481-9-esben@geanix.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 30, 2019 at 09:17:55AM +0200, Esben Haabendal wrote: > Unmap the actual buffer length, not the amount of data received, avoiding > resource exhaustion of swiotlb (seen on x86_64 platform). > > Signed-off-by: Esben Haabendal Reviewed-by: Andrew Lunn Andrew