Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp1042312pxk; Fri, 18 Sep 2020 02:13:47 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwNBqp/jVlW7JY/Gls/NSVuMTB6fhQZo6nT2ZXCrboNbf7CrhraeUNCsgVoRX2UBnt9HH4A X-Received: by 2002:a50:f69a:: with SMTP id d26mr36405320edn.21.1600420427684; Fri, 18 Sep 2020 02:13:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1600420427; cv=none; d=google.com; s=arc-20160816; b=naNQoJDLJmYzXytpOAicEEgzQdhVxQW14U7oEwc54z3RiTqw5B4nlulbpAbWagYzEY 0qzrgrkKwxHJLxMTCXKKNIQIINPX7TX2jLtUxac0aSMovR+dXMjNRvO3wkOkmbbVlScy zBsRegU/uqUE6IuuXX9G/UkNrK7y8uIHJ4a2ypVA+ZDFx6Z8A1PuFBBsIFiDBzDDvLM4 BKfsR6xkr3INjC/bMrt49nxUN2MbeBtKaY67J4X+ijc6FihEtOicvlCYqE5H58JfiMpl 0JQ/OwnR0j/Au2c23yUyWQ9mFpEgcg3fB0vbJqWB/UMda8CAYeEaEATNmsKJ6YPIIUR7 aW8g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=rRX8ziah2vNAV1RMmEeZe7/1hYPw14QkDYViA8kWSLg=; b=zA3uq/YWMRSOJht0BO5ON9OTyiMKwZ0woNphUdleKziiW6lG39sUnMN1ee3zGe6gcq jcOCCj2ih24yFHenAGlcvsT2ag8/+kH/01mlW3Wu0FUSMEU78Sf3RcqkIb6C/DaR8UzV 9KyHJkF5IRY4OT7lH2DCaM99j9a8TiHNwB7QfXloRza26PpKznLfKOvoHvH0xCmvcteo yspw2hAgFSH/zFjZNQM7SmcqiYbpVg/vYSZErlX3z5Ghc0QmYeAGaWLHhzbkfIXjicsy ncar3M9COZfozO9hkGrQ60QIatIp+b9gmUa//ac0zFceE5ISvQHdsFaCx+lAf+xb9jKs FmKA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id cf14si1781565ejb.441.2020.09.18.02.13.23; Fri, 18 Sep 2020 02:13:47 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726365AbgIRJMZ (ORCPT + 99 others); Fri, 18 Sep 2020 05:12:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35112 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726234AbgIRJMZ (ORCPT ); Fri, 18 Sep 2020 05:12:25 -0400 Received: from theia.8bytes.org (8bytes.org [IPv6:2a01:238:4383:600:38bc:a715:4b6d:a889]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 092B8C06174A; Fri, 18 Sep 2020 02:12:25 -0700 (PDT) Received: by theia.8bytes.org (Postfix, from userid 1000) id 53443396; Fri, 18 Sep 2020 11:12:23 +0200 (CEST) Date: Fri, 18 Sep 2020 11:12:21 +0200 From: Joerg Roedel To: Wei Liu Cc: Linux on Hyper-V List , virtualization@lists.linux-foundation.org, Linux Kernel List , Michael Kelley , Vineeth Pillai , Sunil Muthuswamy , Nuno Das Neves , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , "open list:IOMMU DRIVERS" Subject: Re: [PATCH RFC v1 04/18] iommu/hyperv: don't setup IRQ remapping when running as root Message-ID: <20200918091221.GM31590@8bytes.org> References: <20200914112802.80611-1-wei.liu@kernel.org> <20200914112802.80611-5-wei.liu@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200914112802.80611-5-wei.liu@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 14, 2020 at 11:27:48AM +0000, Wei Liu wrote: > The IOMMU code needs more work. We're sure for now the IRQ remapping > hooks are not applicable when Linux is the root. > > Signed-off-by: Wei Liu > --- > drivers/iommu/hyperv-iommu.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Acked-by: Joerg Roedel