Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp11054534imu; Thu, 6 Dec 2018 10:46:43 -0800 (PST) X-Google-Smtp-Source: AFSGD/V80LNx6SgXynl4N/Tfo1tw/TI5fSsOgy4N78aV5l8QWGq5MbeYF9DutirPb5jyT+sVfYAZ X-Received: by 2002:a63:9c1a:: with SMTP id f26mr6554503pge.381.1544122003471; Thu, 06 Dec 2018 10:46:43 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1544122003; cv=none; d=google.com; s=arc-20160816; b=xfo5XPq7IDAJ9PZODYWDyiOU4kgrtl5Nsk23jR9NXeSj9bYipi2wBaBIxj1MNZNba3 /dgXVpzYuhh7ktqc+f+BH6JXDIBF84ilzcdJq3lF/0nEK92E4jS0scFsnbWZO73UIwJK YvdFe54h+RiTO48RG0qfaJFXAVV4a7+gzY8xt0mOuTd2BrYvF5LjzrQh1MEG1DbPl/tO t0UktejJE3vupiyjPQ/IeJK9MWflssdBeaz+oW0QIrepjcdaHDWgUmj31Lf6x6yED6n/ kggMyCxgJjjH77QaCeBTZZUMoV4Sqsj3NbrZQ3GqZpS1aiiSR0tCkJPRTd0vZEjjaxEm mKtA== 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; bh=6YQk/+BeKU/qcRAgHHG0sVK/+Od8Dye6fMVhRGIBGtc=; b=MLnOitJkw0UCbJqrZWozyhNaAtEEFL10u/vUoRX9MHssXobrTn5no5Ezij+zWZ+WE9 79B9S9C8Nii/qbpooA+EjEUGXNDvXIy/7sjBohgwE4cwM9dIdzL2aczDiaoMVsJzfmu3 pIa7fYPV9WTPSg1ycvBnv6bwK+G3jINbNpWAXO4+ARLa8UMP/CLwSsH9Ppfqm+MjoSZR dktF5RVdJxC4pE2k8P0pVCZdiDEbfCqmGE6PbUpU9D89cyXT2aTkbhiAuNbV7rC0sUFh kz+9MjN7V91bUZThwk6P87Wr8JGQyZlxHmQdzES26w5AikoU/7BfZL0ZvBtwaqGiXw3k nMxQ== ARC-Authentication-Results: i=1; mx.google.com; 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 j65si737690pge.444.2018.12.06.10.46.27; Thu, 06 Dec 2018 10:46:43 -0800 (PST) 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; 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 S1725976AbeLFSpf (ORCPT + 99 others); Thu, 6 Dec 2018 13:45:35 -0500 Received: from verein.lst.de ([213.95.11.211]:58885 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725908AbeLFSpf (ORCPT ); Thu, 6 Dec 2018 13:45:35 -0500 Received: by newverein.lst.de (Postfix, from userid 2407) id 51C2868AA6; Thu, 6 Dec 2018 19:45:33 +0100 (CET) Date: Thu, 6 Dec 2018 19:45:33 +0100 From: Christoph Hellwig To: Nadav Amit Cc: Jesper Dangaard Brouer , Christoph Hellwig , Toke =?iso-8859-1?Q?H=F8iland-J=F8rgensen?= , Linus Torvalds , Ilias Apalodimas , LKML , iommu , Robin Murphy , Tariq Toukan , Josh Poimboeuf Subject: Re: [RFC] avoid indirect calls for DMA direct mappings Message-ID: <20181206184533.GC30039@lst.de> References: <20181206153720.10702-1-hch@lst.de> <20181206184351.4d9ece54@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 06, 2018 at 10:29:35AM -0800, Nadav Amit wrote: > Did you happen to see my RFC for "automatic" indirect call promotion? > > https://lkml.org/lkml/2018/10/18/175 > > I hope to get v1 based on Josh responses next week. I'll take a look when you repost it. Although I'm always a little vary of under the hood magic like this..