From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-fsdevel-owner@kernel.org>
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=-6.8 required=3.0 tests=BAYES_00,DKIM_SIGNED,
	DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,
	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 D5DF3C4742C
	for <linux-fsdevel@archiver.kernel.org>; Fri, 13 Nov 2020 14:07:20 +0000 (UTC)
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
	by mail.kernel.org (Postfix) with ESMTP id 8542E22240
	for <linux-fsdevel@archiver.kernel.org>; Fri, 13 Nov 2020 14:07:20 +0000 (UTC)
Authentication-Results: mail.kernel.org;
	dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="F3wGcH2+"
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1726544AbgKMOHR (ORCPT
        <rfc822;linux-fsdevel@archiver.kernel.org>);
        Fri, 13 Nov 2020 09:07:17 -0500
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55276 "EHLO
        lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1726278AbgKMOHR (ORCPT
        <rfc822;linux-fsdevel@vger.kernel.org>);
        Fri, 13 Nov 2020 09:07:17 -0500
Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1])
        by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5176C0613D1;
        Fri, 13 Nov 2020 06:07:16 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;
        d=infradead.org; s=casper.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;
        bh=+fKDCln/nBGjUzwLbQBUvaWLGmW87HSfyAiVdE6n6pQ=; b=F3wGcH2+WzEOBEsfLnS9KvpGrs
        I7JCuKymtkiidDWDOnPKC8seMalZGlDcRkSxSFmHqZzJD6AZpg/sjT0fErSJtoHYBkeNEnB2MdCr9
        /ZdHg5BQJC+dz8ajMkzL20wh1oGOnN7fWN5Gr82pC/sZS6ICj71RLXccLWQMwxSwW6QuAQWh/Apq+
        WXjqzFZlPYSZrqoKkdlXdrGmObHwlfeTz+CPiQOOzf1thAD2O85uurxLTHGvue+NVqeqs2WkY2Wpk
        1GENl5ScDna9J1/jUVLdTHNj0b4/rSrIVslnz2d3y0kMG33JcIJZYdib38q4UVyJfOico1Qkug6hy
        yVtg6ydA==;
Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux))
        id 1kdZj6-00047y-EC; Fri, 13 Nov 2020 14:06:56 +0000
Date:   Fri, 13 Nov 2020 14:06:56 +0000
From:   Matthew Wilcox <willy@infradead.org>
To:     Mike Rapoport <rppt@kernel.org>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Andy Lutomirski <luto@kernel.org>,
        Arnd Bergmann <arnd@arndb.de>, Borislav Petkov <bp@alien8.de>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Christopher Lameter <cl@linux.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        David Hildenbrand <david@redhat.com>,
        Elena Reshetova <elena.reshetova@intel.com>,
        "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
        James Bottomley <jejb@linux.ibm.com>,
        "Kirill A. Shutemov" <kirill@shutemov.name>,
        Mark Rutland <mark.rutland@arm.com>,
        Mike Rapoport <rppt@linux.ibm.com>,
        Michael Kerrisk <mtk.manpages@gmail.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Rick Edgecombe <rick.p.edgecombe@intel.com>,
        Shuah Khan <shuah@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Tycho Andersen <tycho@tycho.ws>, Will Deacon <will@kernel.org>,
        linux-api@vger.kernel.org, linux-arch@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
        linux-nvdimm@lists.01.org, linux-riscv@lists.infradead.org,
        x86@kernel.org, Hagen Paul Pfeifer <hagen@jauu.net>
Subject: Re: [PATCH v8 4/9] mm: introduce memfd_secret system call to create
 "secret" memory areas
Message-ID: <20201113140656.GG17076@casper.infradead.org>
References: <20201110151444.20662-1-rppt@kernel.org>
 <20201110151444.20662-5-rppt@kernel.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20201110151444.20662-5-rppt@kernel.org>
Precedence: bulk
List-ID: <linux-fsdevel.vger.kernel.org>
X-Mailing-List: linux-fsdevel@vger.kernel.org

On Tue, Nov 10, 2020 at 05:14:39PM +0200, Mike Rapoport wrote:
> diff --git a/mm/Kconfig b/mm/Kconfig
> index c89c5444924b..d8d170fa5210 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -884,4 +884,7 @@ config ARCH_HAS_HUGEPD
>  config MAPPING_DIRTY_HELPERS
>          bool
>  
> +config SECRETMEM
> +	def_bool ARCH_HAS_SET_DIRECT_MAP && !EMBEDDED

So I now have to build this in, whether I want it or not?