From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5227F1D540; Fri, 14 Mar 2025 12:46:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741956401; cv=none; b=qgQecQNrgkHgKYG81sVaa3nriW86kXzcPnP38sB0bVit5Iwmc/KshbW2qw8m4IkZDgPn3MNppsq1wd391kAVtl+WUcILBoGJb0on37WNg0ua38RyedmZBSznXHttVb/neBLMCDPZmcBMaKY1HAn1hWl5nl2tNiOfGrIvl6F6pWc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741956401; c=relaxed/simple; bh=5sGsYuAjRuDkMEybUmn9LmUMY63wqkNJ7b4Zw4tv9eA=; h=Date:From:To:CC:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Zutoqxj4JLGtSuzOJu4G+D57jKYk0W5+gqW0vRnXGVAZ5vmVxPQg1RGXqcapIIW8CS8jC7MxOIGqZCDyUReKe64HnWyP6ziiJJkjF8Xu7pMXJtCzUW/SL6j6a4WicnU/CAManMdp2yJ7QrA7s5NJFAtvhcrjUp38qbIQlf/2ONc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.186.31]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4ZDkXB3DjFz6H7cC; Fri, 14 Mar 2025 20:42:02 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id 63B91140155; Fri, 14 Mar 2025 20:46:37 +0800 (CST) Received: from localhost (10.203.177.66) by frapeml500008.china.huawei.com (7.182.85.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Fri, 14 Mar 2025 13:46:36 +0100 Date: Fri, 14 Mar 2025 12:46:35 +0000 From: Jonathan Cameron To: Robert Richter CC: Alison Schofield , Vishal Verma , Ira Weiny , Dan Williams , Dave Jiang , "Davidlohr Bueso" , , , Gregory Price , "Fabio M. De Francesco" , Terry Bowman Subject: Re: [PATCH v2 09/15] cxl/region: Use the endpoint's SPA range to create a region Message-ID: <20250314124635.00007352@huawei.com> In-Reply-To: <20250218132356.1809075-10-rrichter@amd.com> References: <20250218132356.1809075-1-rrichter@amd.com> <20250218132356.1809075-10-rrichter@amd.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: lhrpeml100002.china.huawei.com (7.191.160.241) To frapeml500008.china.huawei.com (7.182.85.71) On Tue, 18 Feb 2025 14:23:50 +0100 Robert Richter wrote: > To create a region, SPA ranges must be used. With address translation > the endpoint's HPA range is not the same as the SPA range. Use the > previously calculated SPA range instead. > > Signed-off-by: Robert Richter Reviewed-by: Jonathan Cameron