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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 9F651C33CB6 for ; Fri, 17 Jan 2020 08:12:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6BB612072B for ; Fri, 17 Jan 2020 08:12:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="CBE9ZS2I" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729441AbgAQIMr (ORCPT ); Fri, 17 Jan 2020 03:12:47 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:43712 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729011AbgAQIMr (ORCPT ); Fri, 17 Jan 2020 03:12:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=t/MEhEZGYZHmMiJmrgugavb+9sNbSeK5h6oldhHUYs8=; b=CBE9ZS2IjXbfrp+dvzcCM+LGx VZTVAlzWhocgiFF1/YMmGjxIEZ/q2YrWWmmFIXWh/MtSDaEomRJZPzpowabxJw89/lYJvFOTzFTTb 15FsRdHD+UhNq+yMNIqE7bJ/9sUrZRPyiROdXSxQUV2MrRQCGaVv5X8CQmhAVgkzbVpSH4VD9xgEw iF5qutl89oTzwNv6K7NqOg/xSVNQDjb6ZpF+V6bQvMfGdzQ1ssvAE0sran+0msDNQl8ksQNVInVZy xApRZDzdrqjxxSAQGgoFXJPwSY6UAjMCuLJ/t31A4nvFhJqqaVXPV4DQIITCBoAPMsluWWM4958TK MyV2DTmUQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1isMkI-0004ao-RH; Fri, 17 Jan 2020 08:12:46 +0000 Date: Fri, 17 Jan 2020 00:12:46 -0800 From: Christoph Hellwig To: Eric Biggers Cc: linux-fscrypt@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-mtd@lists.infradead.org, Barani Muthukumaran , Gaurav Kashyap , Theodore Ts'o , Jaegeuk Kim , linux-api@vger.kernel.org Subject: Re: [PATCH] fscrypt: reserve flags for hardware-wrapped keys feature Message-ID: <20200117081246.GA16846@infradead.org> References: <20200116192008.35766-1-ebiggers@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200116192008.35766-1-ebiggers@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Thu, Jan 16, 2020 at 11:20:08AM -0800, Eric Biggers wrote: > From: Eric Biggers > > Reserve flags for the hardware-wrapped keys feature which is being > worked on [1]. FSCRYPT_POLICY_FLAG_HW_WRAPPED_KEY will denote that the > encryption policy needs a hardware-wrapped key to be unlocked. > FSCRYPT_ADD_KEY_FLAG_HW_WRAPPED will denote that the key being added is > a hardware-wrapped key. > > This reservation is tentative, and these codepoints may be reused if the > feature is not upstreamed. NAK. While the feature itself sounds really useful we don't just reserve format bits for code not upstream.