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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 D3F3DC2D0FD for ; Wed, 13 May 2020 07:14:17 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A61C72078C for ; Wed, 13 May 2020 07:14:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="HgtWzUv5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A61C72078C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1C814900109; Wed, 13 May 2020 03:14:17 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1781C9000F3; Wed, 13 May 2020 03:14:17 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 06822900109; Wed, 13 May 2020 03:14:17 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0239.hostedemail.com [216.40.44.239]) by kanga.kvack.org (Postfix) with ESMTP id E0AEB9000F3 for ; Wed, 13 May 2020 03:14:16 -0400 (EDT) Received: from smtpin23.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id A02CB180AD811 for ; Wed, 13 May 2020 07:14:16 +0000 (UTC) X-FDA: 76810832112.23.soup91_831ba0812c38 X-HE-Tag: soup91_831ba0812c38 X-Filterd-Recvd-Size: 2011 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf01.hostedemail.com (Postfix) with ESMTP for ; Wed, 13 May 2020 07:14:16 +0000 (UTC) Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D99B9206D6; Wed, 13 May 2020 07:14:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589354055; bh=DLr2UF6e0IHfcW2xoKKLz/KEhDxSLoxOz8Ehzzq0pOc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=HgtWzUv5Pg1zRmc16W7qpkqqRqludZO1T7kog9p3eecl7JMcb5IxeW5U9A2y3pi07 l9WRB5Dpp95/qBln3UUKhkMmykr7W2pl5z1cpYtBIxmIlUbleEBZMkPa8aXmEOi43d 7O4k8NtL6nwaZ0pHpd5u4Cf5pXxpfhKeZ+BwelpA= Date: Wed, 13 May 2020 09:14:13 +0200 From: "gregkh@linuxfoundation.org" To: "Idgar, Or" Cc: "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "Ravich, Leonid" Subject: Re: CMA enhancement - non-default areas in x86 Message-ID: <20200513071413.GB766804@kroah.com> References: <20200513064755.GA763968@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Bogosity: Ham, tests=bogofilter, spamicity=0.000022, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, May 13, 2020 at 07:00:12AM +0000, Idgar, Or wrote: > > For what type of device? > NTB (Non-Transparent Bridge). Very odd quoting style... Anyway, what exactly is a non-transparent bridge, and why doesn't your bios/uefi implementation properly reserve the memory for it so that the OS does not use it? thanks, greg k-h