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 7483B13D882 for ; Thu, 23 Jan 2025 17:59:27 +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=1737655172; cv=none; b=VVsoxuPkNLYTwFcGHV+4OAS2Zl0BbtLE2q917fg6zdoFpB0sPCS5/CUWQ+2j2wtVpcv0Xr8TYybdNbvhX5/pQXPGHX0/M2/tNLKLXn6g8Ok2byG8my/J2ZyU/pgpsdux3vIC0SuSvuW4nHyLZ7Cs8f7st8lVIGdYIVemXXgxp8s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737655172; c=relaxed/simple; bh=dAMaj1xziBsrnKwhA5M6/sdQsBN+D3fH7B2eOdn/OJY=; h=Date:From:To:CC:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Sss6I6Tv6A7tm04btk+tBvECqm7SCXu9P0TTw2W3U6gx4Nkxbawq4tcsN9ShA1JLtwhVzfh85cOyXAqzLaEMgfZPRabZjrldxx1yoRfqUQ1yZsPUKDe9IjKtSs34FeFbkEzC4LsYu/pzMv5X2vK0CwAU7DohAVvHBbj66xr1unA= 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 [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Yf7vD499vz67LSb; Fri, 24 Jan 2025 01:57:28 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id 01F97140119; Fri, 24 Jan 2025 01:59:26 +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; Thu, 23 Jan 2025 18:59:25 +0100 Date: Thu, 23 Jan 2025 17:59:24 +0000 From: Jonathan Cameron To: Dave Jiang CC: , , , , , , , Subject: Re: [PATCH v1 09/19] cxl: Setup exclusive CXL features that are reserved for the kernel Message-ID: <20250123175924.00004a3f@huawei.com> In-Reply-To: <20250122235159.2716036-10-dave.jiang@intel.com> References: <20250122235159.2716036-1-dave.jiang@intel.com> <20250122235159.2716036-10-dave.jiang@intel.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) Precedence: bulk X-Mailing-List: linux-cxl@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: lhrpeml100009.china.huawei.com (7.191.174.83) To frapeml500008.china.huawei.com (7.182.85.71) On Wed, 22 Jan 2025 16:50:40 -0700 Dave Jiang wrote: > Certain features will be exclusively used by components such as in > kernel RAS driver. Setup an exclusion list that can be later filtered > out before exposing to user space. > > Signed-off-by: Dave Jiang Nice Reviewed-by: Jonathan Cameron This also finally led me to the footnote I'd lost in the spec that says that row sparing is preferred to PPR where possible :) Jonathan