From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752882AbcGTC0J (ORCPT ); Tue, 19 Jul 2016 22:26:09 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:41924 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752190AbcGTC0G (ORCPT ); Tue, 19 Jul 2016 22:26:06 -0400 Date: Tue, 19 Jul 2016 19:26:04 -0700 (PDT) Message-Id: <20160719.192604.333351511286408057.davem@davemloft.net> To: luto@kernel.org Cc: x86@kernel.org, bp@alien8.de, linux-kernel@vger.kernel.org, mst@redhat.com, netdev@vger.kernel.org Subject: Re: [PATCH resend] virtio-net: Remove more stack DMA From: David Miller In-Reply-To: References: X-Mailer: Mew version 6.7 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 19 Jul 2016 19:26:05 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andy Lutomirski Date: Mon, 18 Jul 2016 15:34:49 -0700 > VLAN and MQ control was doing DMA from the stack. Fix it. > > Cc: Michael S. Tsirkin > Cc: "netdev@vger.kernel.org" > Signed-off-by: Andy Lutomirski > --- > > I tested VLAN addition and removal with CONFIG_VMAP_STACK=y, > CONFIG_DEBUG_SG=y and it got rid of the warnings I saw. I haven't > tested the MQ part because I don't know how to enable it in the first > place (I'm guessing it needs me to enable some QEMU feature I don't > know about.) > > DaveM, contrary to what I thought last time I sent this, I think this > should go through net-next as long as it makes it in time for 4.8. Applied to net-next, thanks.