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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 9D07FC64EB1 for ; Thu, 6 Dec 2018 18:45:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7077A20892 for ; Thu, 6 Dec 2018 18:45:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7077A20892 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725999AbeLFSpf (ORCPT ); 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..