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=-6.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 67323C388F7 for ; Fri, 13 Nov 2020 14:07:26 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D90352223F for ; Fri, 13 Nov 2020 14:07:25 +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="F3wGcH2+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D90352223F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 064D66B005D; Fri, 13 Nov 2020 09:07:25 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id F2F916B0068; Fri, 13 Nov 2020 09:07:24 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DF96F6B0071; Fri, 13 Nov 2020 09:07:24 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0080.hostedemail.com [216.40.44.80]) by kanga.kvack.org (Postfix) with ESMTP id A85786B005D for ; Fri, 13 Nov 2020 09:07:24 -0500 (EST) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 356FB181AEF1E for ; Fri, 13 Nov 2020 14:07:24 +0000 (UTC) X-FDA: 77479572408.20.army29_0a0c7ea2730f Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin20.hostedemail.com (Postfix) with ESMTP id 55DD1180C060D for ; Fri, 13 Nov 2020 14:07:23 +0000 (UTC) X-HE-Tag: army29_0a0c7ea2730f X-Filterd-Recvd-Size: 3333 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf35.hostedemail.com (Postfix) with ESMTP for ; Fri, 13 Nov 2020 14:07:22 +0000 (UTC) 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 To: Mike Rapoport Cc: Andrew Morton , Alexander Viro , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christopher Lameter , Dan Williams , Dave Hansen , David Hildenbrand , Elena Reshetova , "H. Peter Anvin" , Ingo Molnar , James Bottomley , "Kirill A. Shutemov" , Mark Rutland , Mike Rapoport , Michael Kerrisk , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , Rick Edgecombe , Shuah Khan , Thomas Gleixner , Tycho Andersen , Will Deacon , 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 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> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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?