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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 C588FC433DB for ; Tue, 2 Feb 2021 13:05:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 86C1564F49 for ; Tue, 2 Feb 2021 13:05:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229838AbhBBNFU (ORCPT ); Tue, 2 Feb 2021 08:05:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:54126 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230499AbhBBNFS (ORCPT ); Tue, 2 Feb 2021 08:05:18 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id E043E64F45; Tue, 2 Feb 2021 13:04:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1612271077; bh=qcyCNfGec4QKmfxHQgXt+lSM8xFm80bHhlhz/RrANj4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LF+qjRX8V9QGLOM6Q5hpUi6RbE50OFmF7QTaKnZaFUbwHw4/lt48Qhy12r36cLOxk +ZR/2OT8hJd3HfXYitlo3IuLOYTqCr6kYj6RhmgJfN/XHH775dQ0aQIi+Oe7rIh8rd S4lw8bQdvvU1FifpfSb66LT2HFZ7e7v6HeeXuqNQ= Date: Tue, 2 Feb 2021 14:04:32 +0100 From: Greg KH To: Filippo Sironi Cc: stable@vger.kernel.org, samjonas@amazon.com, dwmw@amazon.co.uk, Joerg Roedel Subject: Re: [PATCH 1/2 for Linux 5.4] iommu/vt-d: Gracefully handle DMAR units with no supported address widths Message-ID: References: <20210202000009.31392-1-sironi@amazon.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210202000009.31392-1-sironi@amazon.de> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, Feb 02, 2021 at 01:00:08AM +0100, Filippo Sironi wrote: > From: David Woodhouse > > commit c40aaaac1018ff1382f2d35df5129a6bcea3df6b upstream. > > Instead of bailing out completely, such a unit can still be used for > interrupt remapping. > > Signed-off-by: David Woodhouse > Reviewed-by: Lu Baolu > Link: https://lore.kernel.org/linux-iommu/549928db2de6532117f36c9c810373c14cf76f51.camel@infradead.org/ > Signed-off-by: Joerg Roedel > [ context change due to moving drivers/iommu/dmar.c to > drivers/iommu/intel/dmar.c ] > Signed-off-by: Filippo Sironi > --- > drivers/iommu/dmar.c | 44 ++++++++++++++++++++++++++++++-------------- > 1 file changed, 30 insertions(+), 14 deletions(-) All of these now queued up, thanks! greg k-h